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arXiv 1502.02533gr-qchep-th
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粒子探测器能穿过柯西视界吗?

Can a particle detector cross a Cauchy horizon?

Benito A. Juárez-Aubry

摘要:

柯西视界在经典时空动力学中表现出不稳定性,在量子场论中表现出奇异性。我们分析了一个Unruh-DeWitt粒子探测器的响应落在柯西视界,在视界的细节,量子态的选择和探测器的轨迹的细节。作为一个原型,我们详细研究了$1+1$ Reissner-Nordström黑洞在Hartle-Hawking态下的标量场.将其与陷入类施瓦茨柴尔德奇点的探测器的响应进行比较。

英文摘要:

Cauchy horizons are well known to exhibit instabilities in classical spacetime dynamics and singularities in quantum field theory. We analyse the response of an Unruh-DeWitt particle detector that falls towards a Cauchy horizon, in terms of the specifics of the horizon, the choice of the quantum state and the specifics of the detector's trajectory. As a prototype, we study in detail the case for the $1+1$ Reissner-Nordström black hole with a scalar field in the Hartle-Hawking state. Comparisons are made with the response of a detector that falls into a Schwarzschild-like singularity.

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