Tail terms in gravitational radiation reaction via effective field theory

Details Tail terms in gravitational radiation reaction via effective field theory Tail terms in gravitational radiation reaction via effective field theory

2011-11-23

arxiv.org/abs/1111.5488v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

13 pages, 2 figures

Scientific paper

Gravitational radiation reaction affects the dynamics of gravitationally bound binary systems via "tail" terms which, at the lowest level, modify the conservative dynamics at fourth post-Newtonian order, as it was first computed by Blanchet and Damour. Here we re-produce this result using effective field theory techniques in the framework of the closed-time-path formalism. This tail term is the lowest order example of a short-distance singularity showing up in the conservative dynamics, and it is correctly taken into account within the effective field theory formalism.

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