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Title:
Superreflection and quantum particle production
Authors:
ZELDOVICH, IA. B.; STAROBINSKII, A. A.
Journal:
In: Problems of mathematical physics. (A76-42026 21-70) Leningrad, Izdatel'stvo Nauka, 1976, p. 35-48. In Russian.
Publication Date:
00/1976
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
GRAVITATIONAL FIELDS, PARTICLE PRODUCTION, QUANTUM MECHANICS, REFLECTED WAVES, ROTATING BODIES, WAVE AMPLIFICATION, ASTROPHYSICS, BLACK HOLES (ASTRONOMY), ELECTROMAGNETIC RADIATION
Bibliographic Code:
1976pmp..book...35Z

Abstract

Reflection and amplification with phase velocity exceeding the speed of light are considered for the case of rotatory motion of an axisymmetric body interacting with incident radiation with a wave of assigned multipolarity. The study is extended from superreflection on a rotating conducting cylinder to superreflection from a rotating black hole. An EM wave generator based on the phenomenon is considered. The quantum mechanical analog of the effect is identified as spontaneous production of particle pairs by a rotating body. Quantum pair production in a gravitational field governed by a Kerr metric (black hole case) is discussed.

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