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This book treats the subject of gravitational waves (GWs)
production in binary stars or black-holes and in the early
universe, using tools of quantum field theory which are familiar to
graduate students and researchers in particle physics. A special
focus is given to the generation of templates of gravitational wave
signals from Feynman diagram calculations of transition amplitudes,
which interests active researchers in GWs. The book presents field
theory concepts, like supersymmetry realized in spinning binaries
and soft-graviton theorems, that can have practical applications in
novel GW signals, like the memory effect. The book also aims at
specialists in both GWs and particle physics addressing
cosmological models of phase transition and inflation that can be
tested in observations at terrestrial and space based
interferometers, pulsar timing arrays, and the cosmic microwave
anisotropy observations.
Cosmology and astroparticle physics have seen an avalanche of
discoveries in the past decade (IceCube - high energy neutrinos,
LIGO - gravitational waves, Fermi- gamma-ray telescope, Xenon-1T -
dark matter detection, PLANCK- cosmic microwave radiation, EHT
picture of black hole, SDSS -galaxy surveys), all of which require
a multidisciplinary background for analyzing the phenomena. The
arena for testing particle physics models is in the multimessenger
astronomical observations and at the same time cosmology now
requires a particle physics basis for explaining many phenomena.
This book discusses the theoretical tools of particle physics and
general relativity which are essential for understanding and
correlating diverse astronomical observations.
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