Quantum Reconstructions as Stepping Stones Toward ψ-Doxastic Interpretations?

IF 1.2 3区 物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY
Philipp Berghofer
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Abstract

In quantum foundations, there is growing interest in the program of reconstructing the quantum formalism from clear physical principles. These reconstructions are formulated in an operational framework, deriving the formalism from information-theoretic principles. It has been recognized that this project is in tension with standard ψ-ontic interpretations. This paper presupposes that the quantum reconstruction program (QRP) (i) is a worthwhile project and (ii) puts pressure on ψ-ontic interpretations. Where does this leave us? Prima facie, it seems that ψ-epistemic interpretations perfectly fit the spirit of information-based reconstructions. However, ψ-epistemic interpretations, understood as saying that the wave functions represents one’s knowledge about a physical system, recently have been challenged on technical and conceptual grounds. More importantly, for some researchers working on reconstructions, the lesson of successful reconstructions is that the wave function does not represent objective facts about the world. Since knowledge is a factive concept, this speaks against epistemic interpretations. In this paper, I discuss whether ψ-doxastic interpretations constitute a reasonable alternative. My thesis is that if we want to engage QRP with ψ-doxastic interpretations, then we should aim at a reconstruction that is spelled out in non-factive experiential terms.

量子重构是迈向ψ-哆嗦解释的垫脚石?
在量子基础领域,人们对从明确的物理原理出发重构量子形式主义的计划越来越感兴趣。这些重构是在一个操作框架内进行的,从信息论原理推导出形式主义。人们已经认识到,这一计划与标准ψ-ontic 解释存在矛盾。本文假定量子重构计划(QRP)(i)是一个有价值的项目,(ii)对ψ论解释造成压力。我们该何去何从?从表面上看,ψ-本体解释似乎完全符合基于信息的重构精神。然而,"ψ-表观解释 "被理解为波函数代表了一个人对物理系统的认识,最近却受到了技术和概念上的挑战。更重要的是,对于一些致力于重构的研究人员来说,成功重构的教训是波函数并不代表关于世界的客观事实。由于知识是一个事实性概念,这与认识论的解释背道而驰。在本文中,我将讨论 "ψ-哆嗦 "解释是否是一个合理的替代方案。我的论点是,如果我们想用 "ψ-哆嗦 "解释来参与 QRP,那么我们就应该着眼于用非事实性的经验术语来进行重构。
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来源期刊
Foundations of Physics
Foundations of Physics 物理-物理:综合
CiteScore
2.70
自引率
6.70%
发文量
104
审稿时长
6-12 weeks
期刊介绍: The conceptual foundations of physics have been under constant revision from the outset, and remain so today. Discussion of foundational issues has always been a major source of progress in science, on a par with empirical knowledge and mathematics. Examples include the debates on the nature of space and time involving Newton and later Einstein; on the nature of heat and of energy; on irreversibility and probability due to Boltzmann; on the nature of matter and observation measurement during the early days of quantum theory; on the meaning of renormalisation, and many others. Today, insightful reflection on the conceptual structure utilised in our efforts to understand the physical world is of particular value, given the serious unsolved problems that are likely to demand, once again, modifications of the grammar of our scientific description of the physical world. The quantum properties of gravity, the nature of measurement in quantum mechanics, the primary source of irreversibility, the role of information in physics – all these are examples of questions about which science is still confused and whose solution may well demand more than skilled mathematics and new experiments. Foundations of Physics is a privileged forum for discussing such foundational issues, open to physicists, cosmologists, philosophers and mathematicians. It is devoted to the conceptual bases of the fundamental theories of physics and cosmology, to their logical, methodological, and philosophical premises. The journal welcomes papers on issues such as the foundations of special and general relativity, quantum theory, classical and quantum field theory, quantum gravity, unified theories, thermodynamics, statistical mechanics, cosmology, and similar.
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