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  1. Against Collapses, Purity and Separability Within the Definition of Quantum Entanglement.Christian de Ronde & Massri Cesar - unknown
    In this paper we we will argue against the orthodox definition of quantum entanglement which has been implicitly grounded on several widespread presuppositions which have no relation whatsoever to the formalism of QM. We will show how these presuppositions have been introduced through a naive interpretation of the quantum mathematical structure which assumes dogmatically that the theory talks about "small particles" represented by pure states which suddenly "collapse" when a measurement takes place. In the second part of this paper we (...)
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  • Quantum Dissidents: Research on the Foundations of Quantum Theory Circa 1970.Olival Freire - 2009 - Studies in History and Philosophy of Modern Physics 40 (4):280-289.
    This paper makes a collective biographical profile of a sample of physicists who were protagonists in the research on the foundations of quantum physics circa 1970. We study the cases of Zeh, Bell, Clauser, Shimony, Wigner, Rosenfeld, d’Espagnat, Selleri, and DeWitt, analyzing their training and early career, achievements, qualms with quantum mechanics, motivations for such research, professional obstacles, attitude towards the Copenhagen interpretation, and success and failures. Except for Rosenfeld, they were all dissidents, fighting against the dominant attitude among physicists (...)
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  • International Handbook of Research in History, Philosophy and Science Teaching.Michael R. Matthews (ed.) - 2014 - Springer.
    This inaugural handbook documents the distinctive research field that utilizes history and philosophy in investigation of theoretical, curricular and pedagogical issues in the teaching of science and mathematics. It is contributed to by 130 researchers from 30 countries; it provides a logically structured, fully referenced guide to the ways in which science and mathematics education is, informed by the history and philosophy of these disciplines, as well as by the philosophy of education more generally. The first handbook to cover the (...)
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  • The Infinite Turn and Speculative Explanations in Cosmology.Reza Tavakol & Fabio Gironi - 2017 - Foundations of Science 22 (4):785-798.
    Infinity, in various guises, has been invoked recently in order to ‘explain’ a number of important questions regarding observable phenomena in science, and in particular in cosmology. Such explanations are by their nature speculative. Here we introduce the notions of relative infinity, closure, and economy of explanation and ask: to what extent explanations involving relative or real constructed infinities can be treated as reasonable?
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  • A new objective definition of quantum entanglement as potential coding of intensive and effective relations.Christian de Ronde & Cesar Massri - 2021 - Synthese 198 (7):6661-6688.
    In de Ronde and Massri it was argued against the orthodox definition of quantum entanglement in terms of pure and separable states. In this paper we attempt to discuss how the logos categorical approach to quantum mechanics is able to provide an objective formal account of the notion of entanglement—completely independent of both purity and separability—in terms of the potential coding of intensive relations and effective relations. We will show how our novel redefinition allows us to provide an anschaulich content (...)
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  • Everett’s Pure Wave Mechanics and the Notion of Worlds.Jeffrey A. Barrett - 2011 - European Journal for Philosophy of Science 1 (2):277-302.
    Everett (1957a, b, 1973) relative-state formulation of quantum mechanics has often been taken to involve a metaphysical commitment to the existence of many splitting worlds each containing physical copies of observers and the objects they observe. While there was earlier talk of splitting worlds in connection with Everett, this is largely due to DeWitt’s (Phys Today 23:30–35, 1970) popular presentation of the theory. While the thought of splitting worlds or parallel universes has captured the popular imagination, Everett himself favored the (...)
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  • Interview: Olival Freire Jr.Olival Freira Jr & Gustavo Rodrigues Rocha - 2018 - Transversal: International Journal for the Historiography of Science 4:174.
    Olival Freire Jr interviewed by Gustavo Rodrigues Rocha.
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  • Niels Bohr and the Formalism of Quantum Mechanics.Dennis Dieks - unknown
    It has often been remarked that Bohr's writings on the interpretation of quantum mechanics make scant reference to the mathematical formalism of quantum theory; and it has not infrequently been suggested that this is another symptom of the general vagueness, obscurity and perhaps even incoherence of Bohr's ideas. Recent years have seen a reappreciation of Bohr, however. In this article we broadly follow this "rehabilitation program". We offer what we think is a simple and coherent reading of Bohr's statements about (...)
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  • Power Relations in Science: The Bohr and Wheeler-Everett Dialogue on the Foundations of Quantum Mechanics.Fábio Freitas, Olival Freire Jr & Iolanda Faria - 2020 - Transversal: International Journal for the Historiography of Science 8:26.
    Pierre Bourdieu challenged the notions of science when he presented it as a field of peers competing for the monopoly of scientific authority. As scientific capital equals power, science disputes become disputes for power. Yet, simultaneously, those disputes occur within the internal logic and language of the scientific field. In this article, we present those ideas and examine a case study within the history of quantum mechanics, a dispute inside the ongoing controversy about the foundations of quantum mechanics. We present (...)
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  • 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.
  • Niels Bohr as Philosopher of Experiment: Does Decoherence Theory Challenge Bohr׳s Doctrine of Classical Concepts?Kristian Camilleri & Maximilian Schlosshauer - 2015 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 49:73-83.
  • Everett's “Many-Worlds” Proposal.Brett Maynard Bevers - 2011 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 42 (1):3-12.
    Hugh Everett III proposed that a quantum measurement can be treated as an interaction that correlates microscopic and macroscopic systems—particularly when the experimenter herself is included among those macroscopic systems. It has been difficult, however, to determine precisely what this proposal amounts to. Almost without exception, commentators have held that there are ambiguities in Everett’s theory of measurement that result from significant—even embarrassing—omissions. In the present paper, we resist the conclusion that Everett’s proposal is incomplete, and we develop a close (...)
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  • The Logos Categorical Approach to Quantum Mechanics: III. Relational Potential Coding and Quantum Entanglement Beyond Collapses, Pure States and Particle Metaphysics.Christian de Ronde & Cesar Massri - unknown
    In this paper we consider the notion of quantum entanglement from the perspective of the logos categorical approach [26, 27]. Firstly, we will argue that the widespread distinctions, on the one hand, between pure states and mixed states, and on the other, between separable states and entangled states, are completely superfluous when considering the orthodox mathematical formalism of QM. We will then argue that the introduction of these distinctions within the theory of quanta is due to another two completely unjustified (...)
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  • Os Estados Relativos de Hugh Everett III E o Realismo Científico Na Mec'nica Qu'ntica.Tiago Cunico Camara & Samuel Simon - 2015 - Filosofia Unisinos 16 (3):227-240.
    O presente trabalho tem como objetivo explorar o tipo de realismo prevalecente na interpretação mais usualmente adotada para a Mecânica Quântica, qual seja, a Interpretação de Copenhague, e contrapô-lo ao realismo da Interpretação dos Estados Relativos de Everett, baseado no formalismo de uma pura mecânica ondulatória.
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  • The Role of Decoherence in Quantum Mechanics.Guido Bacciagaluppi - 2003 - Stanford Encyclopedia of Philosophy.
    Interference phenomena are a well-known and crucial feature of quantum mechanics, the two-slit experiment providing a standard example. There are situations, however, in which interference effects are (artificially or spontaneously) suppressed. We shall need to make precise what this means, but the theory of decoherence is the study of (spontaneous) interactions between a system and its environment that lead to such suppression of interference. This study includes detailed modelling of system-environment interactions, derivation of equations (‘master equations’) for the (reduced) state (...)
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  • Book Review. [REVIEW]Olival Freire - 2014 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 46 (2):263-264.
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  • A History of Entanglement: Decoherence and the Interpretation Problem.Kristian Camilleri - 2009 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 40 (4):290-302.
  • Everett's “Many-Worlds” Proposal.Brett Maynard Bevers - 2011 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 42 (1):3-12.
    Hugh Everett III proposed that a quantum measurement can be treated as an interaction that correlates microscopic and macroscopic systems—particularly when the experimenter herself is included among those macroscopic systems. It has been difficult, however, to determine precisely what this proposal amounts to. Almost without exception, commentators have held that there are ambiguities in Everett’s theory of measurement that result from significant—even embarrassing—omissions. In the present paper, we resist the conclusion that Everett’s proposal is incomplete, and we develop a close (...)
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