Search results for 'Quantum theory Congresses' (try it on Scholar)

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  1. A. R. Marlow (ed.) (1978). Mathematical Foundations of Quantum Theory. Academic Press.score: 432.0
     
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  2. A. R. Marlow (ed.) (1980). Quantum Theory and Gravitation. Academic Press.score: 390.0
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  3. Sergio Albeverio, Philippe Combe & M. Sirugue-Collin (eds.) (1982). Stochastic Processes in Quantum Theory and Statistical Physics: Proceedings of the International Workshop Held in Marseille, France, June 29-July 4, 1981. [REVIEW] Springer-Verlag.score: 390.0
  4. Daniel M. Greenberger (ed.) (1986). New Techniques and Ideas in Quantum Measurement Theory. New York Academy of Sciences.score: 360.0
  5. Roger Penrose & C. J. Isham (eds.) (1986). Quantum Concepts in Space and Time. New York ;Oxford University Press.score: 267.0
    Recent developments in quantum theory have focused attention on fundamental questions, in particular on whether it might be necessary to modify quantum mechanics to reconcile quantum gravity and general relativity. This book is based on a conference held in Oxford in the spring of 1984 to discuss quantum gravity. It brings together contributors who examine different aspects of the problem, including the experimental support for quantum mechanics, its strange and apparently paradoxical features, its underlying (...)
     
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  6. W. Gans, Alexander Blumen & A. Amann (eds.) (1991). Large-Scale Molecular Systems: Quantum and Stochastic Aspects--Beyond the Simple Molecular Picture. Plenum Press.score: 225.0
  7. Heinrich Mitter & Ludwig Pittner (eds.) (1984). Stochastic Methods and Computer Techniques in Quantum Dynamics. Springer-Verlag.score: 225.0
  8. Richard Healey (2013). How Quantum Theory Helps Us Explain. British Journal for the Philosophy of Science:axt031.score: 224.0
    I offer an account of how the quantum theory we have helps us explain so much. The account depends on a pragmatist interpretation of the theory: this takes a quantum state to serve as a source of sound advice to physically situated agents on the content and appropriate degree of belief about matters concerning which they are currently inevitably ignorant. The general account of how to use quantum states and probabilities to explain otherwise puzzling regularities (...)
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  9. Nicholas Maxwell (1993). Does Orthodox Quantum Theory Undermine, or Support, Scientific Realism? Philosophical Quarterly 44 (171):139-157.score: 224.0
    It is usually taken for granted that orthodox quantum theory poses a serious problem for scientific realism, in that the theory is empirically extraordinarily successful, and yet has instrumentalism built into it. This paper stand this view on its head. I argue that orthodox quantum theory suffers from a number of serious (if not always noticed) defects precisely because of its inbuilt instrumentalism. This defective character of orthdoox quantum theory thus undermines instrumentalism, and (...)
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  10. Euan J. Squires (1993). Quantum Theory and the Relation Between the Conscious Mind and the Physical World. Synthese 97 (1):109-23.score: 224.0
    The measurement problem of quantum theory is discussed, and the difficulty of trying to solve it within the confines of a local, Lorentz-invariant physics is emphasised. This leads to the obvious suggestion to seek a solution beyond physics, in particular, by introducing the concept of consciousness. The resulting dualistic model, in the natural form suggested by quantum theory, is shown to differ in several respects from the classical model of Descartes, and to suggest solutions to some (...)
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  11. Harald Walach & Nikolaus von Stillfried (2011). Generalised Quantum Theory—Basic Idea and General Intuition: A Background Story and Overview. [REVIEW] Axiomathes 21 (2):185-209.score: 224.0
    Science is always presupposing some basic concepts that are held to be useful. These absolute presuppositions (Collingwood) are rarely debated and form the framework for what has been termed paradigm by Kuhn. Our currently accepted scientific model is predicated on a set of presuppositions that have difficulty accommodating holistic structures and relationships and are not geared towards incorporating non-local correlations. Since the theoretical models we hold also determine what we perceive and take as scientifically viable, it is important to look (...)
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  12. Euan J. Squires (1991). One Mind or Many? A Note on the Everett Interpretation of Quantum Theory. Synthese 89 (November):283-6.score: 224.0
    The Everett interpretation of quantum theory requires either the existence of an infinite number of conscious minds associated with each brain or the existence of one universal consciousness. Reasons are given, and the two ideas are compared.
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  13. Masanao Ozawa & Yuichiro Kitajima (2012). Reconstructing Bohr's Reply to EPR in Algebraic Quantum Theory. Foundations of Physics 42 (4):475-487.score: 224.0
    Halvorson and Clifton have given a mathematical reconstruction of Bohr’s reply to Einstein, Podolsky and Rosen (EPR), and argued that this reply is dictated by the two requirements of classicality and objectivity for the description of experimental data, by proving consistency between their objectivity requirement and a contextualized version of the EPR reality criterion which had been introduced by Howard in his earlier analysis of Bohr’s reply. In the present paper, we generalize the above consistency theorem, with a rather elementary (...)
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  14. David Bohm (1993). The Undivided Universe: An Ontological Interpretation of Quantum Theory. Routledge.score: 224.0
    In the The Undivided Universe, David Bohn and Basil Hiley present a radically different approach to quantum theory.
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  15. Dieter Gernert (2011). Distance and Similarity Measures in Generalised Quantum Theory. Axiomathes 21 (2):303-313.score: 224.0
    A summary of recent experimental results shows that entanglement can be generated more easily than before, and that there are improved chances for its persistence. An eminent finding of Generalised Quantum Theory is the insight that the notion of entanglement can be extended, such that, e.g., psychological or psychophysical problem areas can be included, too. First, a general condition for entanglement to occur is given by the term ‘common prearranged context’. A formalised treatment requires a quantitative definition of (...)
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  16. Anja Matschuck (2011). Non-Local Correlations in Therapeutic Settings? A Qualitative Study on the Basis of Weak Quantum Theory and the Model of Pragmatic Information. Axiomathes 21 (2):249-261.score: 224.0
    Weak Quantum Theory (WQT) and the Model of Pragmatic Information (MPI) are two psychophysical concepts developed on the basis of quantum physics. The present study contributes to their empirical examination. The issue of the study is whether WQT and MPI can not only explain ‘psi’-phenomena theoretically but also prove to be consistent with the empirical phenomenology of extrasensory perception (ESP). From the main statements of both models, 33 deductions for psychic readings are derived. Psychic readings are defined (...)
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  17. Peter John Vickers (2012). Historical Magic in Old Quantum Theory? European Journal for Philosophy of Science 2 (1):1-19.score: 224.0
    Two successes of old quantum theory are particularly notable: Bohr’s prediction of the spectral lines of ionised helium, and Sommerfeld’s prediction of the fine-structure of the hydrogen spectral lines. Many scientific realists would like to be able to explain these successes in terms of the truth or approximate truth of the assumptions which fuelled the relevant derivations. In this paper I argue that this will be difficult for the ionised helium success, and is almost certainly impossible for the (...)
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  18. Arthur Fine (1996). The Shaky Game: Einstein, Realism, and the Quantum Theory. University of Chicago Press.score: 224.0
    In this new edition, Arthur Fine looks at Einstein's philosophy of science and develops his own views on realism. A new Afterword discusses the reaction to Fine's own theory. "What really led Einstein . . . to renounce the new quantum order? For those interested in this question, this book is compulsory reading."--Harvey R. Brown, American Journal of Physics "Fine has successfully combined a historical account of Einstein's philosophical views on quantum mechanics and a discussion of some (...)
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  19. GianCarlo Ghirardi & Raffaele Romano (2013). About Possible Extensions of Quantum Theory. Foundations of Physics 43 (7):881-894.score: 224.0
    Recently it has been claimed that no extension of quantum theory can have improved predictive power, the statement following, according to the authors, from the assumptions of free will and of the correctness of quantum predictions concerning the correlations of measurement outcomes. Here we prove that the argument is basically flawed by an inappropriate use of the assumption of free will. In particular, among other implications, the claim, if correct, would imply that Bohmian Mechanics is incompatible with (...)
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  20. Thomas Filk & Hartmann Römer (2011). Generalized Quantum Theory: Overview and Latest Developments. [REVIEW] Axiomathes 21 (2):211-220.score: 224.0
    The main formal structures of generalized quantum theory are summarized. Recent progress has sharpened some of the concepts, in particular the notion of an observable, the action of an observable on states (putting more emphasis on the role of proposition observables), and the concept of generalized entanglement. Furthermore, the active role of the observer in the structure of observables and the partitioning of systems is emphasized.
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  21. Christopher Norris (2000). Quantum Theory and the Flight From Realism: Philosophical Responses to Quantum Mechanics. Routledge.score: 224.0
    Quantum Theory and the Flight from Realism is a critical introduction to the long-standing debate concerning the conceptual foundations of quantum mechanics, and the problems it has posed for physicists and philosophers from Einstein to the present. Quantum theory has been a major influence on postmodernism, and presents significant challenges for realists. Clarifying these debates for the non-specialist, Christopher Norris examines the premises of orthodox quantum theory and its impact on various philosophical developments. (...)
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  22. Lucien Hardy & William K. Wootters (2012). Limited Holism and Real-Vector-Space Quantum Theory. Foundations of Physics 42 (3):454-473.score: 224.0
    Quantum theory has the property of “local tomography”: the state of any composite system can be reconstructed from the statistics of measurements on the individual components. In this respect the holism of quantum theory is limited. We consider in this paper a class of theories more holistic than quantum theory in that they are constrained only by “bilocal tomography”: the state of any composite system is determined by the statistics of measurements on pairs of (...)
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  23. John C. Baez (2012). Division Algebras and Quantum Theory. Foundations of Physics 42 (7):819-855.score: 224.0
    Quantum theory may be formulated using Hilbert spaces over any of the three associative normed division algebras: the real numbers, the complex numbers and the quaternions. Indeed, these three choices appear naturally in a number of axiomatic approaches. However, there are internal problems with real or quaternionic quantum theory. Here we argue that these problems can be resolved if we treat real, complex and quaternionic quantum theory as part of a unified structure. Dyson called (...)
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  24. Rüdiger Schack (2003). Quantum Theory From Four of Hardy's Axioms. Foundations of Physics 33 (10):1461-1468.score: 224.0
    In a recent paper [e-print quant-ph/0101012], Hardy has given a derivation of “quantum theory from five reasonable axioms.” Here we show that Hardy's first axiom, which identifies probability with limiting frequency in an ensemble, is not necessary for his derivation. By reformulating Hardy's assumptions, and modifying a part of his proof, in terms of Bayesian probabilities, we show that his work can be easily reconciled with a Bayesian interpretation of quantum probability.
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  25. Claus Kiefer (2010). Can Quantum Theory Be Applied to the Universe as a Whole? Foundations of Physics 40 (9-10):1410-1418.score: 224.0
    I argue that quantum theory can, and in fact must, be applied to the Universe as a whole. After a general introduction, I discuss two concepts that are essential for my chain of arguments: the universality of quantum theory and the emergence of classical behaviors by decoherence. A further motivation is given by the open problem of quantum gravity. I then present the main ingredients of quantum cosmology and discuss their relevance for the interpretation (...)
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  26. Efstratios Manousakis (2006). Founding Quantum Theory on the Basis of Consciousness. Foundations of Physics 36 (6):795-838.score: 224.0
    In the present work, quantum theory is founded on the framework of consciousness, in contrast to earlier suggestions that consciousness might be understood starting from quantum theory. The notion of streams of consciousness, usually restricted to conscious beings, is extended to the notion of a Universal/Global stream of conscious flow of ordered events. The streams of conscious events which we experience constitute sub-streams of the Universal stream. Our postulated ontological character of consciousness also consists of an (...)
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  27. Arkady Plotnitsky (2006). A New Book of Numbers: On the Precise Definition of Quantum Variables and the Relationships Between Mathematics and Physics in Quantum Theory. [REVIEW] Foundations of Physics 36 (1):30-60.score: 224.0
    Following Asher Peres’s observation that, as in classical physics, in quantum theory, too, a given physical object considered “has a precise position and a precise momentum,” this article examines the question of the definition of quantum variables, and then the new type (as against classical physics) of relationships between mathematics and physics in quantum theory. The article argues that the possibility of the precise definition and determination of quantum variables depends on the particular nature (...)
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  28. John R. Fanchi (2011). Manifestly Covariant Quantum Theory with Invariant Evolution Parameter in Relativistic Dynamics. Foundations of Physics 41 (1):4-32.score: 224.0
    Manifestly covariant quantum theory with invariant evolution parameter is a parametrized relativistic dynamical theory. The study of parameterized relativistic dynamics (PRD) helps us understand the consequences of changing key assumptions of quantum field theory (QFT). QFT has been very successful at explaining physical observations and is the basis of the conventional paradigm, which includes the Standard Model of electroweak and strong interactions. Despite its record of success, some phenomena are anomalies that may require a modification (...)
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  29. William K. Wootters (2012). Entanglement Sharing in Real-Vector-Space Quantum Theory. Foundations of Physics 42 (1):19-28.score: 224.0
    The limitation on the sharing of entanglement is a basic feature of quantum theory. For example, if two qubits are completely entangled with each other, neither of them can be at all entangled with any other object. In this paper we show, at least for a certain standard definition of entanglement, that this feature is lost when one replaces the usual complex vector space of quantum states with a real vector space. Moreover, the difference between the two (...)
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  30. Cozmin Ududec, Howard Barnum & Joseph Emerson (2011). Three Slit Experiments and the Structure of Quantum Theory. Foundations of Physics 41 (3):396-405.score: 224.0
    In spite of the interference manifested in the double-slit experiment, quantum theory predicts that a measure of interference defined by Sorkin and involving various outcome probabilities from an experiment with three slits, is identically zero. We adapt Sorkin’s measure into a general operational probabilistic framework for physical theories, and then study its relationship to the structure of quantum theory. In particular, we characterize the class of probabilistic theories for which the interference measure is zero as ones (...)
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  31. J. P. McEvoy (1997/1996). Introducing Quantum Theory. Totem Books Ltd..score: 224.0
    Quantum theory is one of science's most thrilling, challenging and even mysterious areas. Scientists such as Planck, Einstein, Bohr, Heisenberg and Schrödinger uncovered bizarre paradoxes in the early 20th century that seemed to destroy the fundamental assumptions of 'classical physics' - the basic laws we are taught in school. Notoriously difficult, quantum theory is nonetheless an amazing and inspiring intellectual adventure, explained here with patience, wit and clarity.
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  32. Guido Bacciagaluppi (2009). Quantum Theory at the Crossroads: Reconsidering the 1927 Solvay Conference. Cambridge University Press.score: 224.0
    This book will be of interest to graduate students and researchers in physics and in the history and philosophy of quantum theory.
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  33. Adrian Kent (2012). Real World Interpretations of Quantum Theory. Foundations of Physics 42 (3):421-435.score: 224.0
    I propose a new class of interpretations, real world interpretations, of the quantum theory of closed systems. These interpretations postulate a preferred factorization of Hilbert space and preferred projective measurements on one factor. They give a mathematical characterisation of the different possible worlds arising in an evolving closed quantum system, in which each possible world corresponds to a (generally mixed) evolving quantum state. In a realistic model, the states corresponding to different worlds should be expected to (...)
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  34. J. E. Baggott (2004). Beyond Measure: Modern Physics, Philosophy, and the Meaning of Quantum Theory. Oxford University Press.score: 224.0
    Quantum theory is one the most important and successful theories of modern physical science. It has been estimated that its principles form the basis for about 30 per cent of the world's manufacturing economy. This is all the more remarkable because quantum theory is a theory that nobody understands. The meaning of Quantum Theory introduces science students to the theory's fundamental conceptual and philosophical problems, and the basis of its non-understandability. It does (...)
     
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  35. Nicholas Maxwell (1993). Beyond Fapp: Three Approaches to Improving Orthodox Quantum Theory and An Experimental Test. In F. Selleri and G. Tarozzi van der Merwe, F. Selleri & G. Tarozzi (eds.), Bell's Theorem and the Foundations of Modern Physics. World Scientific.score: 224.0
    Because it fails to solve the wave-particle problem, orthodox quantum theory is obliged to be about observables and not quantum beables. As a result the theory is imprecise, ambiguous, ad hoc, lacking in explanatory power, restricted in scope and resistant to unification. A new version of quantum theory is needed that is about quantum beables.
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  36. Nicholas Maxwell (1995). A Philosopher Struggles to Understand Quantum Theory: Particle Creation and Wavepacket Reduction. In M. Ferrero & A. van der Merwe (eds.), Fundamental Problems in Quantum Physics.score: 222.0
    Work on the central problems of the philosophy of science has led the author to attempt to create an intelligible version of quantum theory. The basic idea is that probabilistic transitions occur when new stationary or particle states arise as a result of inelastic collisions.
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  37. Robert Oeckl (2013). A Positive Formalism for Quantum Theory in the General Boundary Formulation. Foundations of Physics 43 (10):1206-1232.score: 221.3
    We introduce a new “positive formalism” for encoding quantum theories in the general boundary formulation, somewhat analogous to the mixed state formalism of the standard formulation. This makes the probability interpretation more natural and elegant, eliminates operationally irrelevant structure and opens the general boundary formulation to quantum information theory.
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  38. Patricia Kauark-Leite (2010). Transcendental Philosophy and Quantum Theory. Manuscrito – Rev. Int. Fil 33 (1):243-267.score: 220.0
    In the Critique of Pure Reason Kant argues that the empirical knowledge of the world depends on a priori conditions of human sensibility and understanding, i. e., our capacities of sense experience and concept formation. The objective knowledge presupposes, on one hand, space and time as a priori conditions of sensibility and, on another hand, a priori judgments, like the principle of causality, as constitutive conditions of understanding. The problem is that in the XX century the physical science completely changed (...)
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  39. William J. Long (2006). Quantum Theory and Neuroplasticity: Implications for Social Theory. Journal of Theoretical and Philosophical Psychology 26 (1-2):78-94.score: 220.0
    Quantum theoretical developments in physical science challenge the foundational assumptions of both realist and constructivist social paradigms. Furthermore, when quantum metaphysics is coupled with biological, neuro-scientific discoveries that the brain regenerates and reprograms itself throughout life in response to environmental challenges and the force of attention and will, the result is a different picture of human nature and the social behavior that is possible, ethical, and scientifically plausible than that suggested by either social realists or constructivists. This article (...)
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  40. Karl R. Popper (1992). Quantum Theory and the Schism in Physics. Routledge.score: 220.0
    The basic theme of Popper's philosophy--that something can come from nothing--is related to the present situation in physical theory. Popper carries his investigation right to the center of current debate in quantum physics. He proposes an interpretation of physics--and indeed an entire cosmology--which is realist, conjectural, deductivist and objectivist, anti-positivist, and anti-instrumentalist. He stresses understanding, reminding us that our ignorance grows faster than our conjectural knowledge.
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  41. Rob Clifton, Jeffrey Bub & Hans Halvorson (2003). Characterizing Quantum Theory in Terms of Information-Theoretic Constraints. Foundations of Physics 33 (11):1561-1591.score: 220.0
    We show that three fundamental information-theoretic constraints -- the impossibility of superluminal information transfer between two physical systems by performing measurements on one of them, the impossibility of broadcasting the information contained in an unknown physical state, and the impossibility of unconditionally secure bit commitment -- suffice to entail that the observables and state space of a physical theory are quantum-mechanical. We demonstrate the converse derivation in part, and consider the implications of alternative answers to a remaining open (...)
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  42. Benjamin Schumacher & Michael D. Westmoreland (2012). Modal Quantum Theory. Foundations of Physics 42 (7):918-925.score: 220.0
    We present a discrete model theory similar in structure to ordinary quantum mechanics, but based on a finite field instead of complex amplitudes. The interpretation of this theory involves only the “modal” concepts of possibility and necessity rather than quantitative probability measures. Despite its simplicity, our model theory includes entangled states and has versions of both Bell’s theorem and the no cloning theorem.
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  43. Guillaume Adenier (ed.) (2007). Quantum Theory, Reconsideration of Foundations 4: Växjö (Sweden), 11-16 June, 2007. American Institute of Physics.score: 220.0
    This conference was devoted to the 80 years of the Copenhagen Interpretation, and to the question of the relevance of the Copenhagen interpretation for the present understanding of quantum mechanics. It is in this framework that fundamental questions raised by quantum mechanics, especially in information theory, were discussed throughout the conference. As has become customary in our series of conference in Växjö, we were glad to welcome a fruitful assembly of theoretical physicists, experimentalists, mathematicians and even philosophers (...)
     
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  44. Guillaume Adenier, A. I͡U Khrennikov & Theo M. Nieuwenhuizen (eds.) (2006). Quantum Theory: Reconsideration of Foundations-3: Växjö, Sweden, 6-11 June 2005. American Institute of Physics.score: 220.0
    This Växjö conference was devoted to the reconsideration of quantum foundations. Due to increasing research in quantum information theory, especially on quantum computing and cryptography, many questions regarding the foundations of quantum mechanics, which have long been considered to be exclusively of philosophical interest, nowadays play an important role in theoretical and experimental quantum physics.
     
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  45. Shan Gao (2008). A Quantum Theory of Consciousness. Minds and Machines 18 (1):39-52.score: 216.0
    The relationship between quantum collapse and consciousness is reconsidered under the assumption that quantum collapse is an objective dynamical process. We argue that the conscious observer can have a distinct role from the physical measuring device during the process of quantum collapse owing to the intrinsic nature of consciousness; the conscious observer can know whether he is in a definite state or a quantum superposition of definite states, while the physical measuring device cannot “know”. As a (...)
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  46. Holger Lyre (2010). Why Quantum Theory is Possibly Wrong. Foundations of Physics 40 (9):1429-1438.score: 216.0
    Quantum theory is a tremendously successful physical theory, but nevertheless suffers from two serious problems: the measurement problem and the problem of interpretational underdetermination. The latter, however, is largely overlooked as a genuine problem of its own. Both problems concern the doctrine of realism, but pull, quite curiously, into opposite directions. The measurement problem can be captured such that due to scientific realism about quantum theory common sense anti-realism follows, while theory underdetermination usually counts (...)
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  47. Milan M. Ćirković (2005). Physics Versus Semantics: A Puzzling Case of the Missing Quantum Theory. [REVIEW] Foundations of Physics 35 (5):817-838.score: 216.0
    A case for the project of excising of confusion and obfuscation in the contemporary quantum theory initiated and promoted by David Deutsch has been made. It has been argued that at least some theoretical entities which are conventionally labelled as “interpretations” of quantum mechanics are in fact full-blooded physical theories in their own right, and as such are falsifiable, at least in principle. The most pertinent case is the one of the so-called “Many-Worlds Interpretation” (MWI) of Everett (...)
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  48. Yuichiro Kitajima (forthcoming). Imperfect Cloning Operations in Algebraic Quantum Theory. Foundations of Physics:1-13.score: 216.0
    No-cloning theorem says that there is no unitary operation that makes perfect clones of non-orthogonal quantum states. The objective of the present paper is to examine whether an imperfect cloning operation exists or not in a C*-algebraic framework. We define a universal \(\epsilon \) -imperfect cloning operation which tolerates a finite loss \(\epsilon \) of fidelity in the cloned state, and show that an individual system’s algebra of observables is abelian if and only if there is a universal \(\epsilon (...)
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  49. Robert W. Spekkens (2014). The Status of Determinism in Proofs of the Impossibility of a Noncontextual Model of Quantum Theory. Foundations of Physics 44 (11):1125-1155.score: 216.0
    In order to claim that one has experimentally tested whether a noncontextual ontological model could underlie certain measurement statistics in quantum theory, it is necessary to have a notion of noncontextuality that applies to unsharp measurements, i.e., those that can only be represented by positive operator-valued measures rather than projection-valued measures. This is because any realistic measurement necessarily has some nonvanishing amount of noise and therefore never achieves the ideal of sharpness. Assuming a generalized notion of noncontextuality that (...)
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  50. Nicholas Maxwell (1988). Quantum Propensiton Theory: A Testable Resolution of the Wave/Particle Dilemma. British Journal for the Philosophy of Science 39 (1):1-50.score: 204.0
    In this paper I put forward a new micro realistic, fundamentally probabilistic, propensiton version of quantum theory. According to this theory, the entities of the quantum domain - electrons, photons, atoms - are neither particles nor fields, but a new kind of fundamentally probabilistic entity, the propensiton - entities which interact with one another probabilistically. This version of quantum theory leaves the Schroedinger equation unchanged, but reinterprets it to specify how propensitons evolve when no (...)
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