Results for 'Quantum mechanics'

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  1. Conspiracy Theories of Quantum Mechanics.Peter J. Lewis - 2006 - British Journal for the Philosophy of Science 57 (2):359-381.
    It has long been recognized that a local hidden variable theory of quantum mechanics can in principle be constructed, provided one is willing to countenance pre-measurement correlations between the properties of measured systems and measuring devices. However, this ‘conspiratorial’ approach is typically dismissed out of hand. In this article I examine the justification for dismissing conspiracy theories of quantum mechanics. I consider the existing arguments against such theories, and find them to be less than conclusive. I (...)
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  2.  37
    Quantum Mechanics and Cognitive Science: The Probe and Probed.R. B. Varanasi Varanasi Varanasi Ramabrahmam, Ramabrahmam Varanasi, V. Ramabrahmam - 2018 - Cosmos and History, The Journal of Natural and Social Philosophy, 14 (No. 1):123-141..
    Quantum mechanics is currently being tried to be used as a probe to unravel the mysteries of consciousness. Present paper deals with this probe, quantum mechanics and its usefulness in getting an insight of working of human consciousness. The formation of quantum mechanics based on certain axioms, its development to study the dynamical behavior and motions of fundamental particles and quantum energy particles moving with the velocity of light, its insistence on wave functions, (...)
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  3.  10
    Quantum Mechanics and Salvation: A New Meeting Point for Science and Theology.Emily Qureshi-Hurst - forthcoming - Toronto Journal of Theology.
    Quantum mechanics has recently indicated that temporal order is not always fixed, a finding that has far-reaching philosophical and theological implications. The phenomena, termed “indefinite causal order,” shows that events can be in a superposition with regard to their order. In the experimental setting with which this article is concerned, two events, A and B, were shown to be in the ordering relations “A before B” and “B before A” at the same time. This article introduces an ongoing (...)
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  4. Quantum Mechanics, Metaphysics, and Bohm's Implicate Order.George Williams - 2019 - Mind and Matter 2 (17):155-186.
    The persistent interpretation problem for quantum mechanics may indicate an unwillingness to consider unpalatable assumptions that could open the way toward progress. With this in mind, I focus on the work of David Bohm, whose earlier work has been more influential than that of his later. As I’ll discuss, I believe two assumptions play a strong role in explaining the disparity: 1) that theories in physics must be grounded in mathematical structure and 2) that consciousness must supervene on (...)
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  5.  97
    Quantum Mechanics Unscrambled.Jean-Michel Delhotel - 2014
    Is quantum mechanics about ‘states’? Or is it basically another kind of probability theory? It is argued that the elementary formalism of quantum mechanics operates as a well-justified alternative to ‘classical’ instantiations of a probability calculus. Its providing a general framework for prediction accounts for its distinctive traits, which one should be careful not to mistake for reflections of any strange ontology. The suggestion is also made that quantum theory unwittingly emerged, in Schrödinger’s formulation, as (...)
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  6.  60
    Quantum Mechanics Between Ontology and Epistemology.Florian J. Boge - 2018 - Springer (European Studies in Philosophy of Science).
    This book explores the prospects of rivaling ontological and epistemic interpretations of quantum mechanics (QM). It concludes with a suggestion for how to interpret QM from an epistemological point of view and with a Kantian touch. It thus refines, extends, and combines existing approaches in a similar direction. -/- The author first looks at current, hotly debated ontological interpretations. These include hidden variables-approaches, Bohmian mechanics, collapse interpretations, and the many worlds interpretation. He demonstrates why none of these (...)
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  7.  45
    Relativity, Quantum Mechanics and EPR.Robert Clifton, Constantine Pagonis & Itamar Pitowsky - 1992 - PSA: Proceedings of the Biennial Meeting of the Philosophy of Science Association 1992 (Volume One: Contributed Papers):114 - 128.
    The Einstein-Podolsky-Rosen argument for the incompleteness of quantum mechanics involves two assumptions: one about locality and the other about when it is legitimate to infer the existence of an element-of-reality. Using one simple thought experiment, we argue that quantum predictions and the relativity of simultaneity require that both these assumptions fail, whether or not quantum mechanics is complete.
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  8.  14
    Quantum Mechanics and Fundamentality: Naturalizing Quantum Theory Between Scientific Realism and Ontological Indeterminacy.Valia Allori (ed.) - 2022 - Cham: Springer.
    This edited collection provides new perspectives on some metaphysical questions arising in quantum mechanics. These questions have been long-standing and are of continued interest to researchers and graduate students working in physics, philosophy of physics and metaphysics. It features contributions from a diverse set of researchers, ranging from senior scholars to junior academics, working in varied fields, from physics to philosophy of physics and metaphysics. The contributors reflect on issues about fundamentality (is quantum theory fundamental? If so, (...)
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  9. How Quantum Mechanics Can Consistently Describe the Use of Itself.Dustin Lazarovici & Mario Hubert - 2019 - Scientific Reports 470 (9):1-8.
    We discuss the no-go theorem of Frauchiger and Renner based on an "extended Wigner's friend" thought experiment which is supposed to show that any single-world interpretation of quantum mechanics leads to inconsistent predictions if it is applicable on all scales. We show that no such inconsistency occurs if one considers a complete description of the physical situation. We then discuss implications of the thought experiment that have not been clearly addressed in the original paper, including a tension between (...)
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  10.  53
    Quantum Mechanics and Free Will: Five Key Issues.José Manuel Muñoz - 2015 - Principia: An International Journal of Epistemology 19 (1):65-92.
    In this paper we critically analyze the situation of quantum mechanics in discussions on free will. It starts describing how the uncertainty principle and the measurement problem pose a challenge to determinism. Next, we present positions supporting and rejecting correlation between quantum phenomena and free will. Finally, we will place all these issues into the context of five key questions set out by Robert Kane: the Compatibility, Significance, Intelligibility, Existence and Determinist Questions.
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  11. Interpreting Quantum Mechanics and Predictability in Terms of Facts About the Universe.Andrew Knight - manuscript
    A potentially new interpretation of quantum mechanics posits the state of the universe as a consistent set of facts that are instantiated in the correlations among entangled objects. A fact (or event) occurs exactly when the number or density of future possibilities decreases, and a quantum superposition exists if and only if the facts of the universe are consistent with the superposition. The interpretation sheds light on both in-principle and real-world predictability of the universe.
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  12. Quantum Mechanics Over Sets.David Ellerman - forthcoming - Synthese.
    This paper shows how the classical finite probability theory (with equiprobable outcomes) can be reinterpreted and recast as the quantum probability calculus of a pedagogical or toy model of quantum mechanics over sets (QM/sets). There have been several previous attempts to develop a quantum-like model with the base field of ℂ replaced by ℤ₂. Since there are no inner products on vector spaces over finite fields, the problem is to define the Dirac brackets and the probability (...)
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  13.  76
    Quantum Mechanics and Consciousness.Friedrich Beck - 1994 - Journal of Consciousness Studies 1 (2):253-255.
    The first issue of JCS published an interview with Roger Penrose on his recent book Shadows of the Mind: A Search for the Missing Science of Consciousness . In it Professor Penrose, among other subjects, presented his views on the role of quantum mechanics on our way towards a better understanding of brain functioning and its relation to consciousness. In this note we comment on some aspects of his reasoning.
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  14. Quantum Mechanics: Observer and von Neumann Chain.Michele Caponigro - manuscript
    In this brief paper, we argue about the conceptual relationship between the role of observer in quantum mechanics and the von Neumann Chain. -/- .
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  15.  14
    Quantum Mechanics, Emergence, and Fundamentality.Peter J. Lewis - unknown
    Quantum mechanics arguably provides the best evidence we have for strong emergence. Entangled pairs of particles apparently have properties that fail to supervene on the properties of the particles taken individually. But at the same time, quantum mechanics is a terrible place to look for evidence of strong emergence: the interpretation of the theory is so contested that drawing any metaphysical conclusions from it is risky at best. I run through the standard argument for strong emergence (...)
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    Quantum Mechanics & the Brain, and Some of its Consequences.Acacio de Barros & Oas - 2015 - Cosmos and History 11 (2):146-153.
    Normal 0 false false false EN-US X-NONE X-NONE In this paper we examine the consequences of von Neumann's interpretation of quantum mechanics in the context of an insect conditioning experiment. We argue that either the insect has a mind, therefore collapsing the wave function, or it does not, therefore reacting to superpositions in a different way. Thus, a device to condition insects could be used to test von Neumann's interpretation, if insects are not conscious. If, on the other (...)
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  17. Quantum Mechanics.Jenann Ismael - 2008 - Stanford Encyclopedia of Philosophy.
    Quantum mechanics is, at least at first glance and at least in part, a mathematical machine for predicting the behaviors of microscopic particles — or, at least, of the measuring instruments we use to explore those behaviors — and in that capacity, it is spectacularly successful: in terms of power and precision, head and shoulders above any theory we have ever had. Mathematically, the theory is well understood; we know what its parts are, how they are put together, (...)
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  18. Essential Quantum Mechanics.Gary Bowman - 2007 - Oxford University Press UK.
    Quantum mechanics - central not only to physics, but also to chemistry, materials science, and other fields - is notoriously abstract and difficult. Essential Quantum Mechanics is a uniquely concise and explanatory book that fills the gap between introductory and advanced courses, between popularizations and technical treatises.By focusing on the fundamental structure, concepts, and methods of quantum mechanics, this introductory yet sophisticated work emphasizes both physical and mathematical understanding. A modern perspective is adopted throughout (...)
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  19.  2
    Quantum Mechanics and Objectivity a Study of the Physical Philosophy of Werner Heisenberg.Patrick A. Heelan - 1965 - M. Nijhoff.
    Quantum mechanics has raised in an acute form three problems which go to the heart of man's relationship with nature through experimental science: the public objectivity of science, that is, its value as a universal science for all investigators; the empirical objectivity of scientific objects, that is, man's ability to construct a precise or causal spatio-temporal model of microscopic systems; and finally, the formal objectivity of science, that is, its value as an expression of what nature is independently (...)
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  20.  83
    Sensible Quantum Mechanics: Are Probabilities Only in the Mind?Don N. Page - 1996 - International Journal of Modern Physics D 5:583-96.
    Quantum mechanics may be formulated as Sensible Quantum Mechanics (SQM) so that it contains nothing probabilistic except conscious perceptions. Sets of these perceptions can be deterministically realized with measures given by expectation values of positive-operator-valued awareness operators. Ratios of the measures for these sets of perceptions can be interpreted as frequency- type probabilities for many actually existing sets. These probabilities gener- ally cannot be given by the ordinary quantum “probabilities” for a single set of alternatives. (...)
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  21.  2
    Quantum Mechanics: Are There Quantum Jumps? Trieste, Italy, 5 Spetember -2005 and on the Present Status of Quantum Mechanics Lošinj, Croatia 7-9 September 2005. [REVIEW]Angelo Bassi (ed.) - 2006 - American Institute of Physics.
    This conference brought together experts in different fields related to the foundations of quantum mechanics, ranging from mathematical physics to experimental physics, as well as the philosophy of science. The major topics discussed are: collapse models, Bohemian mechanics and their relativistic extensions, other alternative formulation of quantum mechanics, properties of entanglement, statistical physics and probability theory, new experimental results, as well as philosophical and epistemological issues.
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  22. Quantum Mechanics and Experience.David Z. Albert - 1992 - Harvard Up.
    Presents a guide to the basics of quantum mechanics and measurement.
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  23.  26
    Emergent Quantum Mechanics : David Bohm Centennial Perspectives.Jan Walleczek, Gerhard Grössing, Paavo Pylkkänen & Basil Hiley - 2019 - Entropy 21 (2).
    Emergent quantum mechanics explores the possibility of an ontology for quantum mechanics. The resurgence of interest in realist approaches to quantum mechanics challenges the standard textbook view, which represents an operationalist approach. The possibility of an ontological, i.e., realist, quantum mechanics was first introduced with the original de Broglie-Bohm theory, which has also been developed in another context as Bohmian mechanics. This Editorial introduces a Special Issue featuring contributions which were invited (...)
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  24. Quantum Mechanics in Terms of Realism.Arthur Jabs - 2017 - arXiv.Org.
    We expound an alternative to the Copenhagen interpretation of the formalism of nonrelativistic quantum mechanics. The basic difference is that the new interpretation is formulated in the language of epistemological realism. It involves a change in some basic physical concepts. The ψ function is no longer interpreted as a probability amplitude of the observed behaviour of elementary particles but as an objective physical field representing the particles themselves. The particles are thus extended objects whose extension varies in time (...)
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  25.  4
    The Quantum Mechanics of Minds and Worlds. [REVIEW]Aristidis Arageorgis - 2001 - Review of Metaphysics 54 (4):904-904.
    Although the interpretation of quantum mechanics encounters quite a few themes from the traditions of epistemology and metaphysics, its technical sophistication tends to deter philosophers. However its main problem, that of quantum measurement, can be understood by anyone who possesses rudimentary knowledge of linear algebra.
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  26.  31
    Quantum Mechanics, Interpretations Of.Peter J. Lewis - 2016 - Internet Encyclopedia of Philosophy.
    Interpretations of Quantum Mechanics Quantum mechanics is a physical theory developed in the 1920s to account for the behavior of matter on the atomic scale. It has subsequently been developed into arguably the most empirically successful theory in the history of physics. However, it is hard to understand quantum mechanics as a description of the … Continue reading Quantum Mechanics, Interpretations of →.
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  27. Quantum Mechanics, Interpretations Of.Peter J. Lewis - 2015
    Interpretations of Quantum Mechanics Quantum mechanics is a physical theory developed in the 1920s to account for the behavior of matter on the atomic scale. It has subsequently been developed into arguably the most empirically successful theory in the history of physics. However, it is hard to understand quantum mechanics as a description of the … Continue reading Quantum Mechanics, Interpretations of →.
     
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  28.  78
    Relational Quantum Mechanics.Federico Laudisa - 2008 - Stanford Encyclopedia of Philosophy.
    Relational quantum mechanics is an interpretation of quantum theory which discards the notions of absolute state of a system, absolute value of its physical quantities, or absolute event. The theory describes only the way systems affect each other in the course of physical interactions. State and physical quantities refer always to the interaction, or the relation, between two systems. Nevertheless, the theory is assumed to be complete. The physical content of quantum theory is understood as expressing (...)
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  29. Quantum Mechanics and Consciousness: Thoughts on a Causal Correspondence Theory.Ian J. Thompson - 2017 - In S. Gosh (ed.), Quantum Physics & Consciousness - Thoughts of Founding Fathers of Quantum Physics and other Renowned Scholars. Kolkata, India: Bhaktivedanta Institute. pp. 173-185.
    Which way does causation proceed? The pattern in the material world seems to be upward: particles to molecules to organisms to brains to mental processes. In contrast, the principles of quantum mechanics allow us to see a pattern of downward causation. These new ideas describe sets of multiple levels in which each level influences the levels below it through generation and selection. Top-down causation makes exciting sense of the world: we can find analogies in psychology, in the formation (...)
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  30. Quantum Mechanics and 3 N - Dimensional Space.Bradley Monton - 2006 - Philosophy of Science 73 (5):778-789.
    I maintain that quantum mechanics is fundamentally about a system of N particles evolving in three-dimensional space, not the wave function evolving in 3N-dimensional space.
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  31.  22
    Quantum Mechanics as Generalised Theory of Probabilities.Michel Bitbol - unknown
    It is argued that quantum mechanics does not have merely a predictive function like other physical theories; it consists in a formalisation of the conditions of possibility of any prediction bearing upon phenomena whose circumstances of detection are also conditions of production. This is enough to explain its probabilistic status and theoretical structure.
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  32.  18
    Quantum Mechanics Based on Position.Ralph H. Young - 1980 - Foundations of Physics 10 (1-2):33-56.
    The only observational quantity which quantum mechanics needs to address islocation. The typical primitive observation on a microsystem (e.g., photon) isdetection at alocation (e.g., by a photomultiplier “looking at” a grating). To analyze an experiment, (a) form a conceptual ensemble of replicas of it, (b) assign a wave function (in “position representation”) to its initial condition, (c) evolve the wave function by the Schrödinger equation (known, once and for all, as a function of the system's composition), (d) compute (...)
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  33.  22
    Quantum-Mechanical Uncertainty and the Stability of Incompatibility.Jason Zimba - 2000 - Foundations of Physics 30 (2):179-203.
    In talking about the compatibility of quantum observables, discussions often center on the question of whether the corresponding operators commute—even though commutativity is a coarse-grained notion that largely fails to capture the salient “nonclassical” features of quantum theory. Often, too, such discussions involve the issue of whether the operators in question satisfy a Heisenberg-like inequality, of the form ΔA·ΔB≥r>0—even though such inequalities are specific to unbounded operators and (for this and other reasons) are typically not a useful way (...)
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  34. Quantum Mechanical EPRBA Covariance and Classical Probability.Han Geurdes - manuscript
    Contrary to Bell’s theorem it is demonstrated that with the use of classical probability theory the quantum correlation can be approximated. Hence, one may not conclude from experiment that all local hidden variable theories are ruled out by a violation of inequality result.
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  35. Quantum Mechanics May Need Consciousness.Andrew Knight - manuscript
    The assertion by Yu and Nikolic that the delayed choice quantum eraser experiment of Kim et al. empirically falsifies the consciousness-causes-collapse hypothesis of quantum mechanics is based on the unfounded and false assumption that the failure of a quantum wave function to collapse implies the appearance of a visible interference pattern.
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  36. Can Quantum-Mechanical Description of Physical Reality Be Considered Complete?Albert Einstein, Boris Podolsky & Nathan Rosen - 1935 - Physical Review (47):777-780.
  37. Quantum Mechanics and the Philosophy of Alfred North Whitehead.Michael Epperson - 2004 - Fordham University Press.
    In Process and Reality and other works, Alfred North Whitehead struggled to come to terms with the impact the new science of quantum mechanics would have on metaphysics.This ambitious book is the first extended analysis of the intricate relationships between relativity theory, quantum mechanics, and Whitehead's cosmology. Michael Epperson illuminates the intersection of science and philosophy in Whitehead's work-and details Whitehead's attempts to fashion an ontology coherent with quantum anomalies.Including a nonspecialist introduction to quantum (...)
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  38. Quantum Mechanics in a Nutshell.Gerald D. Mahan - 2008 - Princeton University Press.
    Covering the fundamentals as well as many special topics of current interest, this is the most concise, up-to-date, and accessible graduate-level textbook on quantum mechanics available. Written by Gerald Mahan, a distinguished research physicist and author of an acclaimed textbook on many-particle physics, Quantum Mechanics in a Nutshell is the distillation of many years' teaching experience. Emphasizing the use of quantum mechanics to describe actual quantum systems such as atoms and solids, and rich (...)
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  39. Quantum-Mechanical Self-Measurement.Bradley Monton - 1998 - In D. Dieks & P. Vermaas (eds.), The Modal Interpretations of Quantum Mechanics. Kluwer Academic Publishers. pp. 307-318.
    The idea of self-measurement by a quantum-mechanical automaton is presented, and the conclusions that are typically reached about what we can come to know from doing self-measurements are shown to be mistaken. Specifically, it is shown that, while we are capable of _predicting_ and _measuring_ the values of two incompatible observables, we are incapable of _knowing_ both these values simultaneously. This is an example of the interesting limitations quantum mechanics places on knowledge.
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  40. Dynamics, Quantum Mechanics and the Indeterminism of Nature.Jörg Neunhäuserer - manuscript
    We show that determinism is false assuming a realistic interpretation of quantum mechanics and considering the sensitive dynamics of macroscopical physical systems.
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  41. Quantum Mechanics and Consciousness: A Causal Correspondence Theory.Ian J. Thompson - manuscript
    We may suspect that quantum mechanics and consciousness are related, but the details are not at all clear. In this paper, I suggest how the mind and brain might fit together intimately while still maintaining distinct identities. The connection is based on the correspondence of similar functions in both the mind and the quantum-mechanical brain. Accompanying material for a talk at The Second Mind and Brain Symposium held at the Institute of Psychiatry, Denmark Hill, London on 20th (...)
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  42.  5
    The Quantum Mechanics of Minds and Worlds.Jeffrey A. Barrett - 1999 - Oxford University Press UK.
    Jeffrey Barrett presents the most comprehensive study yet of a problem that has puzzled physicists and philosophers since the 1930s. Quantum mechanics is in one sense the most successful physical theory ever, accurately predicting the behaviour of the basic constituents of matter. But it has an apparent ambiguity or inconsistency at its heart; Barrett gives a careful, clear, and challenging evaluation of attempts to deal with this problem.
  43.  4
    The Quantum Mechanics of Minds and Worlds.Jeffrey A. Barrett - 1999 - Oxford University Press UK.
    Jeffrey Barrett presents the most comprehensive study yet of a problem that has puzzled physicists and philosophers since the 1930s. The standard theory of quantum mechanics is in one sense the most successful physical theory ever, predicting the behaviour of the basic constituents of all physical things; no other theory has ever made such accurate empirical predictions. However, if one tries to understand the theory as providing a complete and accurate framework for the description of the behaviour of (...)
  44.  62
    Quantum Mechanics Emerges From Information Theory Applied to Causal Horizons.Jae-Weon Lee - 2011 - Foundations of Physics 41 (4):744-753.
    It is suggested that quantum mechanics is not fundamental but emerges from classical information theory applied to causal horizons. The path integral quantization and quantum randomness can be derived by considering information loss of fields or particles crossing Rindler horizons for accelerating observers. This implies that information is one of the fundamental roots of all physical phenomena. The connection between this theory and Verlinde’s entropic gravity theory is also investigated.
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  45. Quantum Mechanics and Consciousness.G. D. Wasserman - 1983 - Nature and System 5 (March-June):3-16.
  46. Quantum Mechanics Without the Collapse Postulate.Jeffrey Alan Barrett - 1992 - Dissertation, Columbia University
    Because of the measurement problem, the standard theory of quantum mechanics is at best incomplete and at worst logically inconsistent. Everett suggested that the measurement problem could be resolved by taking the linear dynamics to be a complete and accurate description of the time-evolution of every physical system. The purpose of this dissertation is to see what happens when one takes Everett's proposal seriously. This dissertation includes a discussion of the standard theory of quantum mechanics and (...)
     
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  47.  22
    Quantum Mechanics and the Principle of Least Radix Economy.Vladimir Garcia-Morales - 2015 - Foundations of Physics 45 (3):295-332.
    A new variational method, the principle of least radix economy, is formulated. The mathematical and physical relevance of the radix economy, also called digit capacity, is established, showing how physical laws can be derived from this concept in a unified way. The principle reinterprets and generalizes the principle of least action yielding two classes of physical solutions: least action paths and quantum wavefunctions. A new physical foundation of the Hilbert space of quantum mechanics is then accomplished and (...)
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  48. Austere Quantum Mechanics as a Reductive Basis for Chemistry.Hinne Hettema - 2012 - Foundations of Chemistry 15 (3):311-326.
    This paper analyses Richard Bader’s ‘operational’ view of quantum mechanics and the role it plays in the the explanation of chemistry. I argue that QTAIM can partially be reconstructed as an ‘austere’ form of quantum mechanics, which is in turn committed to an eliminative concept of reduction that stems from Kemeny and Oppenheim. As a reductive theory in this sense, the theory fails. I conclude that QTAIM has both a regulatory and constructive function in the theories (...)
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  49. Quantum Mechanics and Retrocausality.David Atkinson - manuscript
    The classical electrodynamics of point charges can be made finite by the introduction of effects that temporally precede their causes. The idea of retrocausality is also inherent in the Feynman propagators of quantum electrodynamics. The notion allows a new understanding of the violation of the Bell inequalities, and of the world view revealed by quantum mechanics. Published in The Universe, Visions and Perspectives, edited by N. Dadhich and A. Kembhavi, Kluwer Academic Publishers, 2000, pages 35-50.
     
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  50.  54
    Contradiction, Quantum Mechanics, and the Square of Opposition.Jonas R. B. Arenhart & Décio Krause - unknown
    We discuss the idea that superpositions in quantum mechanics may involve contradictions or contradictory properties. A state of superposition such as the one comprised in the famous Schrödinger’s cat, for instance, is sometimes said to attribute contradictory properties to the cat: being dead and alive at the same time. If that were the case, we would be facing a revolution in logic and science, since we would have one of our greatest scientific achievements showing that real contradictions exist.We (...)
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