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Making Better Sense of Quantum Mechanics
Reports on Progress in Physics ( IF 18.1 ) Pub Date : 2018-11-13 , DOI: 10.1088/1361-6633/aae2c6
N David Mermin 1
Affiliation  

We still lack any consensus about what one is actually talking about as one uses quantum mechanics. There is a gap between the abstract terms in which the theory is couched and the phenomena the theory enables each of us to account for so well. Because it has no practical consequences for how we each use quantum mechanics to deal with physical problems, this cognitive dissonance has managed to coexist with the quantum theory from the very beginning. The absence of conceptual clarity for almost a century suggests that the problem might lie in some implicit misconceptions about the nature of scientific explanation that are deeply held by virtually all physicists, but are rarely explicitly acknowledged. I describe here such unvoiced but widely shared assumptions. Rejecting them clarifies and unifies a range of obscure remarks about quantum mechanics made almost from the beginning by some of the giants of physics, many of whom are held to be in deep disagreement. This new view of physics requires physicists to think about science in an unfamiliar way. My primary purpose is to explain the new perspective and urge that it be taken seriously. My secondary aims are to explain why this perspective differs significantly from what Bohr, Heisenberg, and Pauli had been saying from the very beginning, and why it is not solipsism, as some have maintained. To emphasize that this is a general view of science, and not just of quantum mechanics, I apply it to a long-standing puzzle in classical physics: the apparent inability of physics to give any meaning to 'Now'-the present moment.

中文翻译:

更好地理解量子力学

当人们使用量子力学时,我们仍然对人们实际上在谈论什么缺乏共识。在表达理论的抽象术语与理论使我们每个人都能很好地解释的现象之间存在差距。因为它对我们每个人如何使用量子力学处理物理问题没有实际影响,所以这种认知失调从一开始就设法与量子理论共存。近一个世纪以来概念清晰度的缺失表明,问题可能在于对科学解释的本质存在一些隐含的误解,这些误解几乎为所有物理学家所持有,但很少得到明确承认。我在这里描述了这种不言而喻但广泛共享的假设。拒绝它们澄清并统一了一些物理学巨头几乎从一开始就对量子力学发表的一系列模糊评论,其中许多人被认为存在严重分歧。这种新的物理学观要求物理学家以一种陌生的方式思考科学。我的主要目的是解释新观点并敦促人们认真对待它。我的次要目的是解释为什么这种观点与玻尔、海森堡和泡利从一开始所说的有很大不同,以及为什么它不是唯我论,正如一些人所坚持的那样。为了强调这是对科学的普遍看法,而不仅仅是对量子力学的看法,我将其应用于经典物理学中一个长期存在的难题:物理学显然无法赋予“现在”——当下时刻任何意义。
更新日期:2018-11-13
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