Gravity and handedness of photons

被引：11

作者：

Agullo, Ivan ^{[1
]}

del Rio, Adrian ^{[2
,3
]}

Navarro-Salas, Jose ^{[2
,3
]}

机构：

[1] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA

[2] Univ Valencia, CSIC, Ctr Mixto, Fac Fis,Dept Fis Teor, E-46100 Valencia, Spain

[3] Univ Valencia, CSIC, Ctr Mixto, Fac Fis,IFIC, E-46100 Valencia, Spain

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS D | 2017年 / 26卷 / 12期

关键词：

Quantum fields in curved spacetime; symmetry and conservation laws; electromagnetic wave propagation; anomalies;

D O I：

10.1142/S0218271817420019

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Vacuum fluctuations of quantum fields are altered in the presence of a strong gravitational background, with important physical consequences. We argue that a nontrivial spacetime geometry can act as an optically active medium for quantum electromagnetic radiation, in such a way that the state of polarization of radiation changes in time, even in the absence of electromagnetic sources. This is a quantum effect, and is a consequence of an anomaly related to the classical invariance under electric-magnetic duality rotations in Maxwell theory.

引用

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