Quantum electrodynamics of time-varying gratings

被引：16

作者：

Horsley, Simon A. R. ^{[1
]}

Pendry, John B. ^{[2
]}

机构：

[1] Univ Exeter, Sch Phys & Astron, Exeter EX4 4QL, Devon, England

[2] Imperial Coll London, Dept Phys, Blackett Lab, London SW7 2AZ, England

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2023年 / 120卷 / 36期

关键词：

electromagnetism; space-time modulations; transluminal; event horizons; Hawking radiation;

D O I：

10.1073/pnas.2302652120

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Gratings which are in apparent motion reveal some startling properties for classical radiation, especially for luminal gratings traveling at or around the speed of light. We show here that their quantum properties are even more remarkable, their effective refractive index modeling the Schwarzschild singularity which as we show generates spontaneous Hawking radiation in correlated photon pairs. Subjected to external radiation, luminal gratings provoke stimulated emission of photon pairs which we propose as a possible means of observing Hawking radiation in the laboratory.

引用

页数：7

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