Particle decay in de Sitter spacetime via quantum tunneling

Abstract

The quantum tunneling process of decay of the composite particle in the de Sitter vacuum looks as thermal radiation with the effective temperature twice larger than the Hawking temperature associated with the cosmological horizon.

5 pages, no figures, JETP Lett. style, version accepted in JETP Lett

References in corpus (9)

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• Reply to `Can infrared gravitons screen $\Lambda$?'
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