Article

A simplified derivation of stimulated emission by black holes

Classical and Quantum Gravity (Impact Factor: 3.56). 12/1998; 4(4):L149. DOI: 10.1088/0264-9381/4/4/014

ABSTRACT A black hole, when acting as a scatterer for quanta in a single mode of a massless scalar field, is known to convert any ingoing Gibbs state of that mode into an outgoing Gibbs state (with some other mean particle number). The author presents a simple derivation for this property, which may help to clarify what relation, if any, it bears to the microscopic structure of the black hole horizon.

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