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Semiclassical and stochastic gravity : quantum field effects on curved spacetime

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"The two pillars of modern physics are general relativity and quantum field theory, the former describes the large scale structure and dynamics of space-time, the latter, the microscopic constituents of matter. Combining the two yields quantum field theory in curved space-time, which is needed to understand quantum field processes in the early universe and black holes, such as the well-known Hawking effect. This  Read more...

Author(s): Hu, Bei-Lok; Verdaguer, Enric
Publisher: [Cambridge University Press]
Year: 2020

Language: English
Pages: 0
Tags: Quantum gravity;Space and time

Overview: Main themes. Key issues. Reader's guide --
'In-out' effective action. Dimensional regularization --
'In-in' effective action. Stress tensor. Thermal fields --
Stress-energy tensor and correlators : zeta-function method --
Stress-energy tensor and correlation : point separation --
Infrared behavior of interacting quantum fields --
Advanced field theory topics --
Backreaction of early universe quantum processes --
Metric correlations at one-loop : in-in and large N --
The Einstein-Langevin equation --
Metric fluctuations in Minkowski spacetime --
Cosmological backreaction with fluctuations --
Structure formation in the early universe --
Black hole backreaction and fluctuations --
Stress-energy tensor fluctuations in de Sitter space --
Two-point metric perturbations in de Sitter --
Riemann tensor correlator in de Sitter --
Epilogue: Linkage with quantum gravity.