Thermal radiation in non-static curved spacetimes: quantum mechanical path integrals and configuration space topology
M. E. Ortiz, F. Vendrell
Abstract
A quantum mechanical path integral derivation is given of a thermal propagator in non-static Gui 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.
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