The quantum Fokker-Planck equation of stochastic inflation

The quantum Fokker-Planck equation of stochastic inflation

Abstract We derive the stochastic description of a massless, interacting scalar field in de Sitter space directly from the quantum theory. This is done by showing that the density matrix for the effective theory of the long wavelength fluctuations of the field obeys a quantum version of the Fokker-P...

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Bibliographic Details
Main Authors: Hael Collins, Richard Holman, Tereza Vardanyan
Format: Article
Language:English
Published: SpringerOpen 2017-11-01
Series:Journal of High Energy Physics
Subjects:
Cosmology of Theories beyond the SM
Effective Field Theories
Stochastic Processes
Online Access:http://link.springer.com/article/10.1007/JHEP11(2017)065

Internet

http://link.springer.com/article/10.1007/JHEP11(2017)065

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