Results for 'Everett interpretation'

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  1. Probability in the Everett Interpretation.Hilary Greaves - 2007 - Philosophy Compass 2 (1):109–128.
    The Everett (many-worlds) interpretation of quantum mechanics faces a prima facie problem concerning quantum probabilities. Research in this area has been fast-paced over the last few years, following a controversial suggestion by David Deutsch that decision theory can solve the problem. This article provides a non-technical introduction to the decision-theoretic program, and a sketch of the current state of the debate.
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  2.  18
    The Everett Interpretation: Probability.Simon Saunders - 2021 - In Eleanor Knox & Alistair Wilson (eds.), The Routledge Companion to Philosophy of Physics.
    The Everett interpretation of quantum mechanics divides naturally into two parts: first, the interpretation of the structure of the quantum state, in terms of branching, and second, the interpretation of this branching structure in terms of probability. This is the second of two reviews of the Everett interpretation, and focuses on probability. Branching processes are identified as chance processes, and the squares of branch amplitudes are chances. Since branching is emergent, physical probability is emergent (...)
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  3.  15
    The Everett Interpretation: Structure.Simon Saunders - 2021 - In E. Knox & A. Wilson (eds.), The Routledge Companion to Philosophy of Physics.
    The Everett interpretation of quantum mechanics divides naturally into two parts: first, the interpretation of the structure of the quantum state, in terms of branching, and second, the interpretation of this branching structure in terms of probability. This is the first of two reviews of the Everett interpretation, and focuses on structure, with particular attention to the role of decoherence theory. Written in terms of the quantum histories formalism, decoherence theory just is the theory (...)
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  4.  57
    The Everett Interpretation.David Wallace - unknown
    The Everett interpretation of quantum mechanics - better known as the Many-Worlds Theory - has had a rather uneven reception. Mainstream philosophers have scarcely heard of it, save as science fiction. In philosophy of physics it is well known but has historically been fairly widely rejected. Among physicists, it is taken very seriously indeed, arguably tied for first place in popularity with more traditional operationalist views of quantum mechanics. In this article, I provide a fairly short and self-contained (...)
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  5.  47
    Centering the Everett Interpretation.Isaac Wilhelm - forthcoming - Philosophical Quarterly.
    I propose an account of probability in the Everett interpretation of quantum mechanics. According to the account, probabilities are objective chances of centered propositions. As I show, the account solves a number of problems concerning the role of probability in the Everett interpretation. It also challenges an implicit assumption, concerning the aim and scope of fundamental physical theories, that is made throughout the philosophy of physics literature.
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  6.  72
    The Everett Interpretation of Quantum Mechanics: Many Worlds or None?Howard Stein - 1984 - Noûs 18 (4):635-652.
  7.  70
    The Everett Interpretation.Robert Geroch - 1984 - Noûs 18 (4):617-633.
  8.  63
    Chance in the Everett Interpretation.Simon Saunders - 2010 - In Simon Saunders, Jonathan Barrett, Adrian Kent & David Wallace (eds.), Many Worlds?: Everett, Quantum Theory & Reality. Oxford University Press.
    According to the Everett interpretation, branching structure and ratios of norms of branch amplitudes are the objective correlates of chance events and chances; that is, 'chance' and 'chancing', like 'red' and 'colour', pick out objective features of reality, albeit not what they seemed. Once properly identified, questions about how and in what sense chances can be observed can be treated as straightforward dynamical questions. On that basis, given the unitary dynamics of quantum theory, it follows that relative and (...)
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  9. Worlds in the Everett Interpretation.David Wallace - 2002 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 33 (4):637-661.
    This is a discussion of how we can understand the world-view given to us by the Everett interpretation of quantum mechanics, and in particular the role played by the concept of 'world'. The view presented is that we are entitled to use 'many-worlds' terminology even if the theory does not specify the worlds in the formalism; this is defended by means of an extensive analogy with the concept of an 'instant' or moment of time in relativity, with the (...)
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  10. The Emergent Multiverse: Quantum Theory According to the Everett Interpretation.David Wallace - 2012 - Oxford University Press.
    David Wallace argues that we should take quantum theory seriously as an account of what the world is like--which means accepting the idea that the universe is constantly branching into new universes. He presents an accessible but rigorous account of the 'Everett interpretation', the best way to make coherent sense of quantum physics.
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  11. Locality in the Everett Interpretation of Quantum Field Theory.Mark A. Rubin - 2002 - Foundations of Physics 32 (10):1495-1523.
    Recently it has been shown that transformations of Heisenberg-picture operators are the causal mechanism which allows Bell-theorem-violating correlations at a distance to coexist with locality in the Everett interpretation of quantum mechanics. A calculation to first order in perturbation theory of the generation of EPRB entanglement in nonrelativistic fermionic field theory in the Heisenberg picture illustrates that the same mechanism leads to correlations without nonlocality in quantum field theory as well. An explicit transformation is given to a representation (...)
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  12. Chance in the Everett Interpretation.Simon Saunders - 2010 - In Simon Saunders, Jonathan Barrett, Adrian Kent & David Wallace (eds.), Many Worlds?: Everett, Quantum Theory, & Reality. Oxford University Press.
     
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  13.  23
    The Everett Interpretation of Quantum Mechanics. Collected Works 1955-1980 with Commentary. Hugh Everett III, Edited by Jeffrey A. Barrett & Peter Byrne. Princeton: Princeton University Press. [REVIEW]Guido Bacciagaluppi - unknown
    This is a review of Barrett and Byrne's commented edition of Everett's collected works, originally published in HOPOS 3, 348-352, but here including footnotes and references.
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  14. Everettian Rationality: Defending Deutsch's Approach to Probability in the Everett Interpretation.David Wallace - 2003 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 34 (3):415-439.
    An analysis is made of Deutsch's recent claim to have derived the Born rule from decision-theoretic assumptions. It is argued that Deutsch's proof must be understood in the explicit context of the Everett interpretation, and that in this context, it essentially succeeds. Some comments are made about the criticism of Deutsch's proof by Barnum, Caves, Finkelstein, Fuchs, and Schack; it is argued that the flaw which they point out in the proof does not apply if the Everett (...)
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  15. Epistemology Quantized: Circumstances in Which We Should Come to Believe in the Everett Interpretation.David Wallace - 2006 - British Journal for the Philosophy of Science 57 (4):655-689.
    I consider exactly what is involved in a solution to the probability problem of the Everett interpretation, in the light of recent work on applying considerations from decision theory to that problem. I suggest an overall framework for understanding probability in a physical theory, and conclude that this framework, when applied to the Everett interpretation, yields the result that that interpretation satisfactorily solves the measurement problem. Introduction What is probability? 2.1 Objective probability and the Principal (...)
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  16.  21
    A Note on the Everett Interpretation of Quantum Mechanics.Paul Benioff - 1978 - Foundations of Physics 8 (9-10):709-720.
    Three aspects of the Everett interpretation of quantum mechanics are considered. It is first shown that the proof of the metatheorem is not complete—thus it is an open question as to whether or not it is true. Next, some difficulties for the Everett interpretation and the metatheorem, which arise from consideration of the physics developed by observers in maverick universes, are discussed. Finally, it is shown that the universal state description of an ever-branching universe with each (...)
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  17.  41
    A Prolegomenon to the Ontology of the Everett Interpretation.David Wallace - unknown
    In this article, I briefly explain the quantum measurement problem and the Everett interpretation, in a way that is faithful to modern physics and yet accessible to readers without any physics training. I then consider the metaphysical lessons for ontology from quantum mechanics under the Everett interpretation. My conclusions are largely negative: I argue that very little can be said in full generality about the ontology of quantum mechanics, because quantum mechanics, like abstract classical mechanics, is (...)
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  18. Confirmation in a Branching World: The Everett Interpretation and Sleeping Beauty.Darren Bradley - 2011 - British Journal for the Philosophy of Science 62 (2):323-342.
    Sometimes we learn what the world is like, and sometimes we learn where in the world we are. Are there any interesting differences between the two kinds of cases? The main aim of this article is to argue that learning where we are in the world brings into view the same kind of observation selection effects that operate when sampling from a population. I will first explain what observation selection effects are ( Section 1 ) and how they are relevant (...)
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  19. Modal Metaphysics and the Everett Interpretation (BA Thesis).Alastair Wilson - 2005 - Dissertation, Oxford
    Recent work on probability in the Everett interpretation of quantum mechanics yields a decision-theoretic derivation of David Lewis’ Principal Principle, and hence a general metaphysical theory of probability; part 1 is a discussion of this remarkable result. I defend the claim that the ‘subjective uncertainty’ principle is required for the derivation to succeed, arguing that it amounts to a theoretical identification of chance. In part 2, I generalize this account, and suggest that the Everett interpretation, in (...)
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  20. One Mind or Many? A Note on the Everett Interpretation of Quantum Theory.Euan J. Squires - 1991 - Synthese 89 (November):283-6.
    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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  21.  57
    Relative Frequency and Probability in the Everett Interpretation of Heisenberg-Picture Quantum Mechanics.Mark A. Rubin - 2003 - Foundations of Physics 33 (3):379-405.
    The existence of probability in the sense of the frequency interpretation, i.e., probability as “long term relative frequency,” is shown to follow from the dynamics and the interpretational rules of Everett quantum mechanics in the Heisenberg picture. This proof is free of the difficulties encountered in applying to the Everett interpretation previous results regarding relative frequency and probability in quantum mechanics. The ontology of the Everett interpretation in the Heisenberg picture is also discussed.
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  22. Critical Study David Wallace, The Emergent Multiverse: Quantum Theory According to the Everett Interpretation. Oxford University Press, 2012, 530 + Xv Pp. [REVIEW]Tim Maudlin - 2014 - Noûs 48 (4):794-808.
  23.  15
    Hugh Everett III. The Everett Interpretation of Quantum Mechanics: Collected Works, 1955–1980, with Commentary. Edited by, Jeffrey A. Barrett and Peter Byrne. Xii + 392 Pp., Illus., Apps., Index. Princeton, N.J.: Princeton University Press, 2012. $75. [REVIEW]Christoph Lehner - 2015 - Isis 106 (1):220-221.
  24.  37
    Locality and Mentality in Everett Interpretations: Albert and Loewer’s Many Minds.Laura Felline & Guido Bacciagaluppi - 2013 - Mind and Matter 11 (2).
    This is the first of two papers reviewing and analysing the approach to locality and to mind-body dualism proposed in Everett interpreta- tions of quantum mechanics. The planned companion paper will focus on the contemporary decoherence-based approaches to Everett. This paper instead treats the explicitly mentalistic Many Minds Interpreta- tion proposed by David Albert and Barry Loewer (Albert and Loewer 1988). In particular, we investigate what kind of supervenience of the mind on the body is implied by Albert (...)
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  25. A Metaphysician Looks at the Everett Interpretation.John Hawthorne - 2010 - In Simon Saunders, Jonathan Barrett, Adrian Kent & David Wallace (eds.), Many Worlds?: Everett, Quantum Theory & Reality. Oxford University Press.
     
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  26. A Metaphysician Looks at the Everett Interpretation.John Hawthorne - 2010 - In Simon Saunders, Jonathan Barrett, Adrian Kent & David Wallace (eds.), Many Worlds?: Everett, Quantum Theory, & Reality. Oxford University Press.
     
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  27.  31
    Jeffrey A. Barrett and Peter Byrne, Eds., The Everett Interpretation of Quantum Mechanics: Collected Works 1955-1980. Reviewed By. [REVIEW]Sheldon Richmond - 2015 - Philosophy in Review 35 (3):127-129.
    Spinoza’s metaphysics has returned in the work of Hugh Everett as physics— as a complete and consistent interpretation of Quantum Mechanics that resolves the traditional puzzles of the standard interpretation of Quantum Mechanics.
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  28.  39
    Review of The Emergent Multiverse - David Wallace, The Emergent Multiverse: Quantum Theory According to the Everett Interpretation. Oxford: Oxford University Press (2012), Xvi+530 Pp., $75.00. [REVIEW]Guido Bacciagaluppi & Jenann Ismael - 2015 - Philosophy of Science 82 (1):129-148.
  29.  73
    David Wallace the Emergent Multiverse: Quantum Theory According to the Everett Interpretation.Lev Vaidman - 2015 - British Journal for the Philosophy of Science 66 (2):465-468.
    We have, then, a theory which is objectively causal and continuous, while at the same time subjectively probabilistic and discontinuous. It can lay claim to a certain completeness, since it applies to all systems, of whatever size, and is still capable of explaining the appearance of the macroscopic world. The price, however, is the abandonment of the concept of the uniqueness of the observer, with its somewhat disconcerting philosophical implications.
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  30.  78
    Demystifying the Multiverse: David Wallace: The Emergent Multiverse: Quantum Theory According to the Everett Interpretation. Oxford: Oxford University Press, 2012, Xvi+530pp, £40.00 HB. [REVIEW]Alastair Wilson - 2013 - Metascience 22 (3):583-586.
  31.  12
    Jeffrey A. Barrett and Peter Byrne, Eds. The Everett Interpretation of Quantum Mechanics: Collected Works 1955–1980 with Commentary. Princeton, NJ: Princeton University Press, 2012. Pp. 392. $75.00. [REVIEW]Guido Bacciagaluppi - 2013 - Hopos: The Journal of the International Society for the History of Philosophy of Science 3 (2):348-352.
  32.  10
    Jeffrey A. Barrett and Peter Byrne , The Everett Interpretation of Quantum Mechanics: Collected Works 1955–1980 with Commentary. Princeton and Oxford: Princeton University Press, 2012, Pp. Xii+389. ISBN 978-0-691-14507-5. £52.00. [REVIEW]Tilman Sauer - 2013 - British Journal for the History of Science 46 (4):731-732.
  33.  32
    Can Everett Be Interpreted Without Extravaganza?Louis Marchildon - 2011 - Foundations of Physics 41 (3):357-362.
    Everett’s relative states interpretation of quantum mechanics has met with problems related to probability, the preferred basis, and multiplicity. The third theme, I argue, is the most important one. It has led to developments of the original approach into many-worlds, many-minds, and decoherence-based approaches. The latter especially have been advocated in recent years, in an effort to understand multiplicity without resorting to what is often perceived as extravagant constructions. Drawing from and adding to arguments of others, I show (...)
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  34.  52
    The Everett-Wheeler Interpretation and the Open Future.Anthony Sudbery - unknown
    I discuss the meaning of probability in the Everett-Wheeler interpretation of quantum mechanics, together with the problem of defining histories. To resolve these, I propose an understanding of probability arising from a form of temporal logic: the probability of a future-tense proposition is identified with its truth value in a many-valued and context-dependent logic. In short, probability is degree of truth. These ideas appear to be new, but they are natural and intuitive, and relate to traditional naive ideas (...)
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  35.  98
    Many Worlds?: Everett, Quantum Theory, & Reality.Simon Saunders, Jonathan Barrett, Adrian Kent & David Wallace (eds.) - 2010 - Oxford University Press UK.
    What would it mean to apply quantum theory, without restriction and without involving any notion of measurement and state reduction, to the whole universe? What would realism about the quantum state then imply? This book brings together an illustrious team of philosophers and physicists to debate these questions. The contributors broadly agree on the need, or aspiration, for a realist theory that unites micro- and macro-worlds. But they disagree on what this implies. Some argue that if unitary quantum evolution has (...)
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  36. Everett and Structure.David Wallace - 2003 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 34 (1):87-105.
    I address the problem of indefiniteness in quantum mechanics: the problem that the theory, without changes to its formalism, seems to predict that macroscopic quantities have no definite values. The Everett interpretation is often criticised along these lines, and I shall argue that much of this criticism rests on a false dichotomy: that the macroworld must either be written directly into the formalism or be regarded as somehow illusory. By means of analogy with other areas of physics, I (...)
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  37. Everett and Evidence.Hilary Greaves & Wayne Myrvold - 2010 - In Simon Saunders, Jonathan Barrett, Adrian Kent & David Wallace (eds.), Many Worlds?: Everett, Quantum Theory & Reality. Oxford University Press.
    Much of the evidence for quantum mechanics is statistical in nature. The Everett interpretation, if it is to be a candidate for serious consideration, must be capable of doing justice to reasoning on which statistical evidence in which observed relative frequencies that closely match calculated probabilities counts as evidence in favour of a theory from which the probabilities are calculated. Since, on the Everett interpretation, all outcomes with nonzero amplitude are actualized on different branches, it is (...)
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  38.  44
    A Tragedy of the Commons: Interpreting the Replication Crisis in Psychology as a Social Dilemma for Early-Career Researchers.Jim A. C. Everett & Brian D. Earp - 2015 - Frontiers in Psychology 6.
  39. Three Connections Between Everett's Interpretation and Experiment.David Deutsch - 1986 - In Roger Penrose & C. J. Isham (eds.), Quantum Concepts in Space and Time. New York ;Oxford University Press. pp. 215--225.
     
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  40.  31
    Multiplicity in Everett׳s Interpretation of Quantum Mechanics.Louis Marchildon - 2015 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 52 (Part B):274-284.
  41.  80
    Remarks on Space-Time and Locality in Everett's Interpretation.Guido Bacciagaluppi - 2001 - In T. Placek & J. Butterfield (eds.), Non-Locality and Modality. Kluwer Academic Publishers. pp. 105--122.
    Interpretations that follow Everett's idea that the universal wave function contains a multiplicity of coexisting realities, usually claim to give a completely local account of quantum mechanics. That is, they claim to give an account that avoids both a non-local collapse of the wave function, and the action at a distance needed in hidden variable theories in order to reproduce the quantum mechanical violation of the Bell inequalities. In this paper, I sketch how these claims can be substantiated in (...)
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  42.  31
    Categorial Interpretation of Experience.Everett J. Nelson - 1952 - Philosophy and Phenomenological Research 13 (1):84-95.
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  43.  17
    La Ramification Selon Everett: Une Interprétation Critiquée Mais Logiquement Impeccable de la Mécanique Quantique.Roland Frïasé - 1987 - History and Philosophy of Logic 8 (2):215-241.
    Pour résoudre les paradoxes bien connus de la mécanique quantique, on propose une interprétation par ramification (ou univers parallèles) analogue à celle d?Everett, mais avec des différences: (i) on propose une infinité continue de branches, dont les poids (o[ugrave] probabilités) se calculent par intégrale; (ii) les branches sont séparées par des ramifieurs qui se propagent à la vitesse de la lumière. Lorsqu?est négligeable la composante d?énergie négative de la fonction d?onde, le poids de chaque branche en un point donné (...)
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  44.  4
    Remarks on Space-Time and Locality.In Everett & S. Interpretation - 2002 - In T. Placek & J. Butterfield (eds.), Non-Locality and Modality. Kluwer Academic Publishers. pp. 64--105.
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  45. Evidence and Uncertainty in Everett’s Multiverse.Paul Tappenden - 2011 - British Journal for the Philosophy of Science 62 (1):99-123.
    How does it come about then, that great scientists such as Einstein, Schrödinger and De Broglie are nevertheless dissatisfied with the situation? Of course, all these objections are levelled not against the correctness of the formulae, but against their interpretation. [...] The lesson to be learned from what I have told of the origin of quantum mechanics is that probable refinements of mathematical methods will not suffice to produce a satisfactory theory, but that somewhere in our doctrine is hidden (...)
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  46. Probability in the Everett World: Comments on Wallace and Greaves.Huw Price - unknown
    It is often objected that the Everett interpretation of QM cannot make sense of quantum probabilities, in one or both of two ways: either it can’t make sense of probability at all, or it can’t explain why probability should be governed by the Born rule. David Deutsch has attempted to meet these objections. He argues not only that rational decision under uncertainty makes sense in the Everett interpretation, but also that under reasonable assumptions, the credences of (...)
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  47. The Everett Faq.Michael Clive Price - unknown
    Q0 Why this FAQ? Q1 Who believes in many-worlds? Q2 What is many-worlds? Q3 What are the alternatives to many-worlds? Q4 What is a "world"? Q5 What is a measurement? Q6 Why do worlds split? What is decoherence? Q7 When do worlds split? Q8 When does Schrodinger's cat split? Q9 What is sum-over-histories? Q10 What is many-histories? What is the environment basis? Q11 How many worlds are there? Q12 Is many-worlds a local theory? Q13 Is many-worlds a deterministic theory? Q14 (...)
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  48. La ramification selon Everett: une interprétation critiquée mais logiquement impeccable de la mécanique quantique.R. Fraisse - 1986 - International Logic Review 33:70-93.
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  49.  16
    Gadamer as Literary Critic: "Authentic Interpretation" of a Rilke Sonnet.Everett Hamner - 2004 - Renascence 56 (4):257-273.
  50. What It Feels Like to Be in a Superposition, and Why: Consciousness and the Interpretation of Everett's Quantum Mechanics.Christoph Lehner - 1997 - Synthese 110 (2):191-216.
    This paper attempts an interpretation of Everett's relative state formulation of quantum mechanics that avoids the commitment to new metaphysical entities like ‘worlds’ or ‘minds’. Starting from Everett's quantum mechanical model of an observer, it is argued that an observer's belief to be in an eigenstate of the measurement (corresponding to the observation of a well-defined measurement outcome) is consistent with the fact that she objectively is in a superposition of such states. Subjective states corresponding to such (...)
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