arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2001.09869hep-th
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关于 Unruh 效应与热场双重态

On the Unruh effect and the thermofield double state

Gustavo Valdivia-Mera

AI总结:

本文教学性地推导了Unruh效应与热场双重态,通过Rindler时空与Bogoliubov变换建立加速观察者视角的场模关系,探讨其黑洞热辐射类比及粒子探测器耦合,并利用欧几里得分析推导出热场双重态。

摘要:

本综述旨在提供 Unruh 效应和 thermofield double state 的教学性推导。在第 2 节中,我们构建了 Rindler 时空,并分析了在 Minkowski 时空 中经历恒定加速的观察者的视角,这促使我们利用 Bogoliubov-Valatin 变换建立两种几何中 Fourier 模式之间的关系。在第 3 节中,我们探讨了导致 Unruh 效应的底层物理:其与 Schwarzschild 黑洞周围观测到的热辐射的类比,以及其通过粒子探测器与标量场耦合的体现。最后,在第 4 节中,我们通过对场和几何进行 Euclidean 分析,推导出了 thermofield double state。

英文摘要:

The purpose of this review is to provide a pedagogical development of the Unruh effect and the thermofield double state. In Section 2, we construct Rindler spacetime and analyze the perspective of an observer undergoing constant acceleration in Minkowski spacetime, which motivates the establishment of the relationship between the Fourier modes in both geometries using the Bogoliubov-Valatin transformation. In Section 3, we explore the underlying physics leading to the Unruh effect, its analogy with the thermal radiation observed around a Schwarzschild black hole, and its manifestation through the coupling of a particle detector to the scalar field. Finally, in Section 4, we derive the thermofield double state by conducting a Euclidean analysis of the field and geometry.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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