Cosmological particle creation using an equal-time Wigner formalism
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DOI: 10.1103/physrevd.110.085004
Abstract: It is well known that the expansion of the universe can create particles. However, due to ambiguities when defining particles during the expansion, there are still debates about how to choose vacuum and particle states.… read more here.
Keywords: formalism; equal time; creation; particle ... See more keywords