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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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