黑体辐射的真空表示

IF 2.6 3区物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY

European Physical Journal-special Topics Pub Date : 2023-09-14 DOI:10.1140/epjs/s11734-023-00987-2

Stephen M. Barnett

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引用次数: 0

摘要

我们提出并讨论两个确切的，但可能不熟悉的热辐射表示。第一种是量子真空和随机经典场的叠加形式，第二种是由Takahashi和Umezawa引入的纯态热场表示。有趣的是，前者本质上与普朗克最初关于黑体辐射的概念相反。

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Vacuum representations of blackbody radiation

Abstract We present and discuss two exact, but perhaps unfamiliar, representations of thermal radiation. The first has the form of a superposition of the quantum vacuum and a stochastic classical field and the second is the pure-state thermofield representation introduced by Takahashi and Umezawa. It is interesting that the former is, essentially, the opposite of Planck’s original conception of blackbody radiation.

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来源期刊

European Physical Journal-special Topics 物理-物理：综合

CiteScore

5.10

自引率

10.70%

发文量

313

审稿时长

3-8 weeks

期刊介绍： EPJ - Special Topics (EPJ ST) publishes topical issues which are collections of review-type articles or extensive, detailed progress reports. Each issue is focused on a specific subject matter of topical interest. The journal scope covers the whole spectrum of pure and applied physics, including related subjects such as Materials Science, Physical Biology, Physical Chemistry, and Complex Systems with particular emphasis on interdisciplinary topics in physics and related fields.