Superradiance and quantum states on black hole space-times

被引：0

作者：

Balakumar, Visakan ^{[1
]}

Bernar, Rafael ^{[2
]}

Winstanley, Elizabeth ^{[1
]}

机构：

[1] Univ Sheffield, Consortium Fundamental Phys, Sch Math & Stat, Hicks Bldg,Hounsfield Rd, Sheffield S3 7RH, S Yorkshire, England

[2] Univ Fed Para, Fac Fis, BR-66075110 Belem, Para, Brazil

来源：

AVENUES OF QUANTUM FIELD THEORY IN CURVED SPACETIME, AQFTCS 2022 | 2023年 / 2531卷

基金：

英国工程与自然科学研究理事会;

关键词：

QUASI-FREE STATES; QUANTIZATION; UNIQUENESS; CHARGE; ENERGY;

D O I：

10.1088/1742-6596/2531/1/012011

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We consider the definition of the Boulware and Hartle-Hawking states for quantum fields on black hole space-times. The properties of these states on a Schwarzschild black hole have been understood for many years, but neither of these states has a direct analogue on a Kerr black hole. We show how superradiant modes play an important role in the definition of quantum states on Kerr. Superradiance is also present on static black hole space-times, in particular for a charged scalar field on a Reissner-Nordstrom black hole. We explore whether analogues of the Boulware and Hartle-Hawking states exist in this situation.

引用

页数：13

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