Phys. Rev. D 59, 084005 (1999) [8 pages]Thermal radiation in nonstatic curved spacetimes: Quantum mechanical path integrals and configuration space topologyReceived 10 September 1997; revised 22 June 1998; published 8 March 1999 A quantum mechanical path integral derivation is given of a thermal propagator in non-static Gui’s spacetime. The thermal nature of the propagator is understood in terms of homotopically non-trivial paths in the configuration space appropriate to tortoise coordinates. The connection to thermal emission from collapsing black holes is discussed. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.59.084005
DOI:
10.1103/PhysRevD.59.084005
PACS:
04.20.Gz, 03.65.Ca, 04.70.Dy
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