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Philosophy of Physical Science

Edited by Hans Halvorson (Princeton University)
Assistant editor: Joshua Luczak (University of Western Ontario)
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  1. added 2015-06-30
    Edward P. Butler (2015). Universality and Locality in Platonic Polytheism. Walking the Worlds: A Biannual Journal of Polytheism and Spiritwork 1 (2).
    In a famous quote reported by his biographer Marinus, Proclus says that a philosopher should be like a “priest of the whole world in common”. This essay examines what this universality of the philosopher’s religious practice entails, first with reference to Marinus’ testimony concerning Proclus’ own devotional life, and then with respect to the systematic Platonic understanding of divine ‘locality’. The result is, first, that the philosopher’s ‘universality’ is at once more humble than it sounds, and more far-reaching; and second, (...)
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  2. added 2015-06-29
    Federico Zalamea (forthcoming). The Mathematical Description of a Generic Physical System. Topoi:1-10.
    When dealing with a certain class of physical systems, the mathematical characterization of a generic system aims to describe the phase portrait of all its possible states. Because they are defined only up to isomorphism, the mathematical objects involved are “schematic structures”. If one imposes the condition that these mathematical definitions completely capture the physical information of a given system, one is led to a strong requirement of individuation for physical states. However, we show there are not enough qualitatively distinct (...)
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  3. added 2015-06-27
    Robert J. Rovetto, An Ontological Architecture for Orbital Debris Data.
    The orbital debris problem presents an opportunity for inter-agency and international cooperation toward the mutually beneficial goals of debris prevention, mitigation, remediation, and improved space situational awareness (SSA). Achieving these goals requires sharing orbital debris and other SSA data. Toward this, I present an ontological architecture for the orbital debris and broader SSA domain, taking steps in the creation of an orbital debris ontology (ODO). The purpose of this ontological system is to (I) represent general orbital debris and SSA domain (...)
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  4. added 2015-06-27
    Robert J. Rovetto, Defending Spaceflight - The Echoes of Apollo.
    This paper defends, and emphasizes the importance of, spaceflight, broadly construed to include human and unmanned spaceflight, space science, exploration and development. I specifically provide counter-replies to remarks by Dr. Steven Weinberg against human spaceflight. In this defense of peaceful spaceflight I draw upon a variety of sources. Although a focus is human spaceflight, human and unmanned modes must not be treated as an either-or opposition. Rather, each has a critical role to play in moving humanity forward as a spacefaring (...)
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  5. added 2015-06-26
    Gabriel Vacariu, The Unbelievable Similarities Between My Ideas (Philosophy of Mind, Cognitive Neuroscience, Physics, Mainly From 2005-2008) and the Ideas of Other People (From 2011-2014).
    http://filosofie.unibuc.ro/cv_gabriel_vacariu/.
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  6. added 2015-06-23
    Nora Berenstain (forthcoming). What a Structuralist Theory of Properties Could Not Be. In Anna Marmodoro & David Yates (ed.), The Metaphysics of Relations. OUP. Oxford University Press.
    Causal structuralism is the view that, for each natural, non-mathematical, non-Cambridge property, there is a causal profile that exhausts its individual essence. On this view, having a property’s causal profile is both necessary and sufficient for being that property. It is generally contrasted with the Humean or quidditistic view of properties, which states that having a property’s causal profile is neither necessary nor sufficient for being that property, and with the double-aspect view, which states that causal profile is necessary but (...)
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  7. added 2015-06-23
    Franck Varenne, Pierre Chaigneau, Jean Petitot & René Doursat (2015). Programming the Emergence in Morphogenetically Architected Systems. Acta Biotheoretica 63 (3).
    Large sets of elements interacting locally and producing specific architectures reliably form a category that transcends the usual dividing line between biological and engineered systems. We propose to call them morphogenetically architected complex systems (MACS). While taking the emergence of properties seriously, the notion of MACS enables at the same time the design (or “meta-design”) of operational means that allow controlling and even, paradoxically, programming this emergence. To demonstrate our claim, we first show that among all the self-organized systems studied (...)
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  8. added 2015-06-23
    Ceenom, Message Ceenom: The Brief.
    The unabridged Message Ceenom is available at http://ceen.me and http://ceen.in.
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  9. added 2015-06-22
    Harjit Bhogal & Zee R. Perry (2015). What the Humean Should Say About Entanglement. Noûs 49 (2):n/a-n/a.
    Tim Maudlin has influentially argued that Humeanism about laws of nature stands in conflict with quantum mechanics. Specifically Humeanism implies the principle Separability: the complete physical state of a world is determined by the intrinsic physical state of each space-time point. Maudlin argues Separability is violated by the entangled states posited by QM. We argue that Maudlin only establishes that a stronger principle, which we call Strong Separability, is in tension with QM. Separability is not in tension with QM. Moreover, (...)
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  10. added 2015-06-20
    Ramin Zahedi, On the Logical Structure of the Fundamental Forces of Nature: A New Deterministic Mathematical Approach.
    Let start with one of the greatest ontological questions: “Why the universe and the fundamental forces that are acting in it are in the way, and form and shape, which we realize them?”; the forces that are causers of all the movements and actions in the physical world. In this article, we are going to consider this question by a mathematical approach. -/- The main idea of this article is based on my earlier published articles (references [1], [2], [3], [4], (...)
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  11. added 2015-06-20
    Ramin Zahedi, On Discrete Physics (Digital Philosophy/Digital Cosmology) and the Cellular Automaton: A Perfect Mathematical Deterministic Structure for Reality – as A Huge Computational Simulation.
    In this paper we provide an analysis and overview of some notable definitions, works and thoughts concerning discrete physics (digital philosophy) that mainly suggest a finite and discrete characteristic for the physical world, as well as, of the cellular automaton, which could serve as the basis of a (or the only) perfect mathematical deterministic model for the physical reality. In particular and as a confirmation, in the reference [37] also has been proven that the laws (the field equations) of all (...)
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  12. added 2015-06-19
    Noboru Watanabe (forthcoming). On Entropy of Quantum Compound Systems. Foundations of Physics:1-19.
    We review some notions for general quantum entropies. The entropy of the compound systems is discussed and a numerical computation of the quantum dynamical systems is carried for the noisy optical channel.
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  13. added 2015-06-18
    Marius Stan (forthcoming). Kant and the Object of Determinate Experience. Philosophers' Imprint 15.
    An influential view has it that the paradigm application of Kant’s categories is Newton’s dynamics. Though cogent, the claim makes the categories too narrow, because Newton’s laws had explanatory limits known well before the 1780s. I show here that the categories are broad enough to avoid that problem: I prove that Kant can ground basic laws for all classical mechanics, which is demonstrably more general than Newton’s theory. To make my case, I survey three brands of Enlightenment dynamics, based respectively (...)
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  14. added 2015-06-18
    Abuzaid Samir (2014). The Unified Equation of Gravity and QM: The Case of Non-Relativistic Motion. AL-MUKHATABAT 11.
    We propose to simplify the problem of the unified theory of Quantum-Gravity through dealing first with the simple case of non-relativistic equations of Gravity and Quantum Mechanics. We show that unification of the two non-relativistic formalisms can be achieved through the joined classical and Quantum postulate that every natural body is composed of N identical final particles. This includes the current 'elementary' particles of the standard model such as quarks, photons, gluons, etc. Furthermore, we show that this opens a new (...)
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  15. added 2015-06-18
    Robert J. Rovetto (2013). The Essential Role of Human Spaceflight. Space Policy 29 (4):225-228.
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  16. added 2015-06-15
    Brian Josephson, How Observers Create Reality.
    Wheeler proposed that repeated acts of observation give rise to the reality that we observe, but offered no detailed mechanism for this. Here this creative process is accounted for on the basis of the idea that nature has a deep technological aspect that evolves as a result of selection processes that act upon observers making use of the technologies. This leads to the conclusion that our universe is the product of agencies that use these evolved technologies to suit particular purposes.
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  17. added 2015-06-11
    Oliver Pooley (forthcoming). Background Independence, Diffeomorphism Invariance, and the Meaning of Coordinates. In Dennis Lehmkuhl (ed.), Towards a Theory of Spacetime Theories. Birkhäuser.
    Diffeomorphism invariance is sometimes taken to be a criterion of background independence. This claim is commonly accompanied by a second, that the genuine physical magnitudes (the ``observables'') of background-independent theories and those of background-dependent (non-diffeomorphism-invariant) theories are essentially different in nature. I argue against both claims. Background-dependent theories can be formulated in a diffeomorphism-invariant manner. This suggests that the nature of the physical magnitudes of relevantly analogous theories (one background free, the other background dependent) is essentially the same. The temptation (...)
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  18. added 2015-06-09
    Richard Corry (2015). Retrocausal Models for EPR. Studies in the History and Philosophy of Modern Physics 49:1-9.
    This paper takes up Huw Price׳s challenge to develop a retrocausal toy model of the Bell-EPR experiment. I develop three such models which show that a consistent, local, hidden-variables interpretation of the EPR experiment is indeed possible, and which give a feel for the kind of retrocausation involved. The first of the models also makes clear a problematic feature of retrocausation: it seems that we cannot interpret the hidden elements of reality in a retrocausal model as possessing determinate dispositions to (...)
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  19. added 2015-06-08
    G. Doyen & D. Drakova (forthcoming). Copenhagen Quantum Mechanics Emerges From a Deterministic Schrödinger Theory in 11 Dimensional Spacetime Including Weak Field Gravitation. Foundations of Physics:1-41.
    We construct a world model consisting of a matter field living in 4 dimensional spacetime and a gravitational field living in 11 dimensional spacetime. The seven hidden dimensions are compactified within a radius estimated by reproducing the particle–wave characteristics of diffraction experiments. In the presence of matter fields the gravitational field develops localized modes with elementary excitations called gravonons which are induced by the sources . The final world model treated here contains only gravonons and a scalar matter field. The (...)
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  20. added 2015-06-08
    T. S. Biró & P. Ván (forthcoming). Splitting the Source Term for the Einstein Equation to Classical and Quantum Parts. Foundations of Physics:1-18.
    We consider the special and general relativistic extensions of the action principle behind the Schrödinger equation distinguishing classical and quantum contributions. Postulating a particular quantum correction to the source term in the classical Einstein equation we identify the conformal content of the above action and obtain classical gravitation for massive particles, but with a cosmological term representing off-mass-shell contribution to the energy–momentum tensor. In this scenario the—on the Planck scale surprisingly small—cosmological constant stems from quantum bound states having a Bohr (...)
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  21. added 2015-06-08
    Iulian D. Toader (2015). Editorial: New Perspectives in the Philosophy of Physics. Foundations of Physics:1.
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  22. added 2015-06-05
    Ciprian Dariescu & Marina-Aura Dariescu (forthcoming). Quantum Analysis of K=-1 Robertson–Walker Universe. Foundations of Physics:1-19.
    The \\)-Robertson–Walker spacetime is under investigation. With the derived Hamilton operator, we are solving the Wheeler–De Witt Equation and its Schrödinger-like extension, for physically important forms of the effective potential. The closed form solutions, expressed in terms of Heun’s functions, allow us to comment on the occurrence of Universe from highly probable quantum states.
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  23. added 2015-06-05
    C. Curceanu, S. Bartalucci, A. Bassi, M. Bazzi, S. Bertolucci, C. Berucci, A. M. Bragadireanu, M. Cargnelli, A. Clozza, L. De Paolis, S. Di Matteo, S. Donadi, A. D’Uffizi, J.-P. Egger, C. Guaraldo, M. Iliescu, T. Ishiwatari, M. Laubenstein, J. Marton, E. Milotti, A. Pichler, D. Pietreanu, K. Piscicchia, T. Ponta, E. Sbardella, A. Scordo, H. Shi, D. L. Sirghi, F. Sirghi, L. Sperandio, O. Vazquez Doce & J. Zmeskal (forthcoming). Spontaneously Emitted X-Rays: An Experimental Signature of the Dynamical Reduction Models. Foundations of Physics:1-6.
    We present the idea of searching for X-rays as a signature of the mechanism inducing the spontaneous collapse of the wave function. Such a signal is predicted by the continuous spontaneous localization theories, which are solving the “measurement problem” by modifying the Schrödinger equation. We will show some encouraging preliminary results and discuss future plans and strategy.
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  24. added 2015-06-05
    L. S. F. Olavo (forthcoming). Foundations of Quantum Mechanics: On Rotations by 4pi for Half-Integral Spin Particles. Foundations of Physics:1-12.
    Rotations in Quantum Mechanics are a very well-known subject. When one is faced with rotations related to the SO group, for instance, all the underlying operators are well-known and built from their classical counterparts. However, when it comes to represent rotations related to the SU group, it is always argued that there is no classical counterpart from which the expressions for the quantum mechanical operators can be built. The approach is always done using matrix representation . In the way of (...)
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  25. added 2015-06-03
    Roderick I. Sutherland (forthcoming). Lagrangian Description for Particle Interpretations of Quantum Mechanics: Single-Particle Case. Foundations of Physics:1-11.
    A Lagrangian description is presented which can be used in conjunction with particle interpretations of quantum mechanics. A special example of such an interpretation is the well-known Bohm model. The Lagrangian density introduced here also contains a potential for guiding the particle. The advantages of this description are that the field equations and the particle equations of motion can both be deduced from a single Lagrangian density expression and that conservation of energy and momentum are assured. After being developed in (...)
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  26. added 2015-06-03
    Theodorus M. Nieuwenhuizen & Matthew T. P. Liska (forthcoming). Simulation of the Hydrogen Ground State in Stochastic Electrodynamics-2: Inclusion of Relativistic Corrections. Foundations of Physics:1-13.
    In a recent paper the authors studied numerically the hydrogen ground state in stochastic electrodynamics within the the non-relativistic approximation. In quantum theory the leading non-relativistic corrections to the ground state energy dominate the Lamb shift related to the photon cloud that should cause the quantum-like behaviour of SED. The present work takes these corrections into account in the numerical modelling. It is found that they have little effect; the self-ionisation that occurs without them remains present. It is speculated that (...)
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  27. added 2015-06-03
    Alyssa Ney (2013). Ontological Reduction and the Wave Function Ontology. In Alyssa Ney & David Z. Albert (eds.), The Wave Function: Essays on the Metaphysics of Quantum Mechanics. Oxford University Press. 168-183.
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  28. added 2015-05-31
    Susan G. Sterrett, Experimentation on Analogue Models.
    Summary Analogue models are actual physical setups used to model something else. They are especially useful when what we wish to investigate is difficult to observe or experiment upon due to size or distance in space or time: for example, if the thing we wish to investigate is too large, too far away, takes place on a time scale that is too long, does not yet exist or has ceased to exist. The range and variety of analogue models is too (...)
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  29. added 2015-05-31
    Marius Stan (forthcoming). Metaphysical Foundations of Neoclassical Mechanics. In Michela Massimi & Angela Breitenbach (eds.), Kant and the Laws of Nature. Cambridge University Press.
    I examine here if Kant’s metaphysics of matter can support any late-modern versions of classical mechanics. I argue that in principle it can, by two different routes. I assess the interpretive costs of each approach, and recommend the most promising strategy: a mass-point approach.
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  30. added 2015-05-29
    Mir Faizal & Tsou Sheung Tsun (forthcoming). Supersymmetric Duality in Deformed Superloop Space. Foundations of Physics:1-12.
    In this paper, we will analyse the superloop space formalism for a four dimensional supersymmetric Yang–Mills theory in deformed superspace. We will deform the \ superspace by imposing imposing non-anticommutativity. This non-anticommutative deformation of the superspace will break half the supersymmetry of the original theory. So, this theory will have \ supersymmetry. We will analyse the superloop space duality for this deformed supersymmetric Yang–Mills theory using the \ superspace formalism. We will demonstrate that the sources in the original theory will (...)
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  31. added 2015-05-28
    Michael Pelczar (2015). Sensorama: A Phenomenalist Analysis of Spacetime and Its Contents. Oxford University Press.
    How does the modern scientific conception of time constrain the project of assigning the mind its proper place in nature? On the scientific conception, it makes no sense to speak of the duration of a pain, or the simultaneity of sensations occurring in different parts of the brain. Such considerations led Henri Poincaré, one of the founders of the modern conception, to conclude that consciousness does not exist in spacetime, but serves as the basic material out of which we must (...)
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  32. added 2015-05-22
    A. S. Sanz (forthcoming). Investigating Puzzling Aspects of the Quantum Theory by Means of Its Hydrodynamic Formulation. Foundations of Physics:1-13.
    Bohmian mechanics, a hydrodynamic formulation of the quantum theory, constitutes a useful tool to understand the role of the phase as the mechanism responsible for the dynamical evolution displayed by quantum systems. This role is analyzed and discussed here in the context of quantum interference, considering to this end two well-known scenarios, namely Young’s two-slit experiment and Wheeler’s delayed choice experiment. A numerical implementation of the first scenario is used to show how interference in a coherent superposition of two counter-propagating (...)
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  33. added 2015-05-21
    R. M. Angelo & A. D. Ribeiro (forthcoming). Wave–Particle Duality: An Information-Based Approach. Foundations of Physics:1-14.
    Recently, Bohr’s complementarity principle was assessed in setups involving delayed choices. These works argued in favor of a reformulation of the aforementioned principle so as to account for situations in which a quantum system would simultaneously behave as wave and particle. Here we defend a framework that, supported by well-known experimental results and consistent with the decoherence paradigm, allows us to interpret complementarity in terms of correlations between the system and an informer. Our proposal offers formal definition and operational interpretation (...)
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  34. added 2015-05-21
    Juan Carlos Garcia-Escartin & Pedro Chamorro-Posada (forthcoming). Secure Communication in the Twin Paradox. Foundations of Physics:1-21.
    The amount of information that can be transmitted through a noisy channel is affected by relativistic effects. Under the presence of a fixed noise at the receiver, there appears an asymmetry between “slowly aging” and “fast aging” observers which can be used to have private information transmission. We discuss some models for users inside gravitational wells and in the twin paradox scenario.
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  35. added 2015-05-21
    Kobi Kremnizer & André Ranchin (forthcoming). Integrated Information-Induced Quantum Collapse. Foundations of Physics:1-11.
    We present a novel spontaneous collapse model where size is no longer the property of a physical system which determines its rate of collapse. Instead, we argue that the rate of spontaneous localization should depend on a system’s quantum Integrated Information , a novel physical property which describes a system’s capacity to act like a quantum observer. We introduce quantum Integrated Information, present our QII collapse model and briefly explain how it may be experimentally tested against quantum theory.
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  36. added 2015-05-21
    Marco Zaopo (forthcoming). Information Theoretic Characterization of Physical Theories with Projective State Space. Foundations of Physics:1-16.
    Probabilistic theories are a natural framework to investigate the foundations of quantum theory and possible alternative or deeper theories. In a generic probabilistic theory, states of a physical system are represented as vectors of outcomes probabilities and state spaces are convex cones. In this picture the physics of a given theory is related to the geometric shape of the cone of states. In quantum theory, for instance, the shape of the cone of states corresponds to a projective space over complex (...)
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  37. added 2015-05-21
    Jarosław Pykacz, L’Ubica Valášková & Ol’ga Nánásiová (forthcoming). Bell-Type Inequalities for Bivariate Maps on Orthomodular Lattices. Foundations of Physics:1-14.
    Bell-type inequalities on orthomodular lattices, in which conjunctions of propositions are not modeled by meets but by maps for simultaneous measurements -maps), are studied. It is shown, that the most simple of these inequalities, that involves only two propositions, is always satisfied, contrary to what happens in the case of traditional version of this inequality in which conjunctions of propositions are modeled by meets. Equivalence of various Bell-type inequalities formulated with the aid of bivariate maps on orthomodular lattices is studied. (...)
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  38. added 2015-05-21
    Enrico Santamato & Francesco De Martini (2015). Proof of the Spin–Statistics Theorem. Foundations of Physics 45 (7):858-873.
    The traditional standard quantum mechanics theory is unable to solve the spin–statistics problem, i.e. to justify the utterly important “Pauli Exclusion Principle”. A complete and straightforward solution of the spin–statistics problem is presented on the basis of the “conformal quantum geometrodynamics” theory. This theory provides a Weyl-gauge invariant formulation of the standard quantum mechanics and reproduces successfully all relevant quantum processes including the formulation of Dirac’s or Schrödinger’s equation, of Heisenberg’s uncertainty relations and of the nonlocal EPR correlations. When the (...)
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  39. added 2015-05-20
    Johanna Wolff (forthcoming). Spin as a Determinable. Topoi:1-8.
    In this paper I aim to answer two questions: Can spin be treated as a determinable? Can a treatment of spin as a determinable be used to understand quantum indeterminacy? In response to the first question I show that the relations among spin number, spin components and spin values cannot be captured by a single determination relation; instead we need to look at spin number and spin value separately. In response to the second question I discuss three ways in which (...)
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  40. added 2015-05-15
    Nicholas W. Best (forthcoming). Lavoisier’s "Reflections on Phlogiston" I: Against Phlogiston Theory. Foundations of Chemistry:1-15.
    This seminal paper, which marks a turning point of the chemical revolution, is presented for the first time in a complete English translation. In this first half Lavoisier undermines phlogiston chemistry by arguing that his French contemporaries had replaced Stahl’s original theory with radically different systems that conceptualised the phlogiston principle in completely incompatible ways. He refutes their claims by showing that these later models were riddled with inconsistencies as to phlogiston’s weight, its ability to penetrate glass and its role (...)
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  41. added 2015-05-14
    Andrei Khrennikov, Hans de Raedt, Arkady Plotnitsky & Sergey Polyakov (2015). Preface of the Special Issue Probing the Limits of Quantum Mechanics: Theory and Experiment, Volume 1. Foundations of Physics 45 (7):707-710.
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  42. added 2015-05-04
    Francisco Caruso & Roberto Moreira Xavier (1994). Causa Efficiens versus Causa Formalis: origens da discussão moderna sobre a dimensionalidade do espaço. Cadernos de História E Filosofia da Ciência (UNICAMP) 4 (2):43-64.
    Metascientific criteria used for explaining or constraining physical space dimensionality and their historical relationship to prevailing causal systems are discussed. The important contributions by Aristotle, Kant and Ehrenfest to the dimensionality of space problem are considered and shown to be grounded on different causal explanations: causa materialis for Aristotle, causa efficiens for young Kant and an ingenious combination of causa efficiens and causa formalis for Ehrenfest. The prominent and growing rôle played by causa formalis in modern physical approaches to this (...)
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  43. added 2015-05-02
    Leonard M. Khalilov (forthcoming). Symmetry, Inertness and Chirality in Theory of Chiral Systems. Foundations of Chemistry:1-7.
    The measure of the chiral system inertia has been suggested as a reciprocal value of degree of chirality. Three main laws of conservation, evolution, and interaction of chiral systems in the inertial space are formulated. Some of the consequences concerning the interaction of the chiral elements could be used to estimate the degree of chirality of complex chiral systems.
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  44. added 2015-04-30
    Jeremy Heis (2014). Ernst Cassirer’s Substanzbegriff Und Funktionsbegriff. Hopos: The Journal of the International Society for the History of Philosophy of Science 4 (2):241-70.
    Ernst Cassirer’s book Substanzbegriff und Funktionsbegriff is a difficult book for contemporary readers to understand. Its topic, the theory of concept formation, engages with debates and authors that are largely unknown today. And its “historical” style violates the philosophical standards of clarity first propounded by early analytic philosophers. Cassirer, for instance, never says explicitly what he means by “substance-concept” and “function-concept.” In this article, I answer three questions: Why did Cassirer choose to focus on the topic of concept formation? What (...)
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  45. added 2015-04-29
    Francisco Caruso & Roberto Moreira Xavier, ON KANT'S FIRST INSIGHT INTO THE PROBLEM OF SPACE DIMENSIONALITY AND ITS PHYSICAL FOUNDATIONS.
    In this article it is shown that a careful analysis of Kant's Gedanken von der wahren Schatzung der lebendigen Krafte und Beurtheilung der Beweise leads to a conclusion that does not match the usually accepted interpretation of Kant's reasoning in 1747, according to which the young Kant supposedly establishes a relationship between the tridimensionality of space and Newton's law of universal gravitation. Indeed, it is argued that this text does not yield a satisfactory explanation of space dimensionality, actually restricting itself (...)
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  46. added 2015-04-29
    Hiroki Majima & Akira Suzuki (forthcoming). Identities for Entropy Change Associated with the Time-Evolution of an Open System. Foundations of Physics:1-9.
    A general relation between entropy and an evolutionary superoperator is derived based on the theory of the real-time formulation. The formulation establishing the relation relies only on the framework of quantum statistical mechanics and the standard definition of the von Neumann entropy. Applying the theory of the imaginary-time formulation, a similar relation is obtained for the entropy change due to the change in reservoir temperatures. To show the usefulness of these formulas, we derived the expression for the entropy production induced (...)
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  47. added 2015-04-29
    Alexey E. Rastegin (forthcoming). Uncertainty Relations for General Canonically Conjugate Observables in Terms of Unified Entropies. Foundations of Physics:1-20.
    We study uncertainty relations for a general class of canonically conjugate observables. It is known that such variables can be approached within a limiting procedure of the Pegg–Barnett type. We show that uncertainty relations for conjugate observables in terms of generalized entropies can be obtained on the base of genuine finite-dimensional consideration. Due to the Riesz theorem, there exists an inequality between norm-like functionals of two probability distributions in finite dimensions. Using a limiting procedure of the Pegg–Barnett type, we take (...)
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  48. added 2015-04-28
    David Marshall Miller (2014). Representing Space in the Scientific Revolution. Cambridge University Press.
  49. added 2015-04-27
    Alisa Bokulich (2015). A. Douglas Stone. Einstein and the Quantum: The Quest of the Valiant Swabian. [REVIEW] Hopos: The Journal of the International Society for the History of Philosophy of Science 5 (1):177-79.
    While everyone knows of Einstein’s brilliant work on relativity theory and many know of his later opposition to quantum theory as immortalized in his remark “He [God] does not play dice,” few outside of limited academic circles know of Einstein’s many seminal contributions to the development of quantum theory. In this highly accessible and enjoyable popular science book, Douglas Stone seeks to revise our popular conception of Einstein and bring the story of his profound and revolutionary insights into quantum theory (...)
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  50. added 2015-04-26
    Peter G. Nelson (forthcoming). A Modern Version of Lewis’s Theory of Valency. Foundations of Chemistry:1-10.
    A modern version of Lewis’s theory of valency is presented. This takes account of the results of quantum–mechanical calculations on molecules. Topics covered are polar covalent bonds, hypervalency, coordinate bonds, nonintegral bonds, oxo-anions, variable valency among transition elements, and nonclassical compounds. A distinction is drawn between the valence shell of an atom and the Lewis shell. The concept of a fractional bond pair is presented.
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