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| VOLUME 90 | ISSUE 1 |
PAGE 3
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| Particle decay in de Sitter spacetime via quantum tunneling
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G. E. Volovik
Low Temperature Laboratory, Helsinki University of Technology, FIN-02015, HUT, Finland
Landau Institute for Theoretical Physics RAS, 119334 Moscow, Russia
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PACS: 04.62.+v
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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.
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