Chiral effective field theory for nuclear matter

Details Chiral effective field theory for nuclear matter Chiral effective field theory for nuclear matter

2010-09-15

arxiv.org/abs/1009.2957v1

AIP Conf.Proc.1322:125-133,2010

Physics

Nuclear Physics

Nuclear Theory

Plenary talk at Chiral10 WORKSHOP, 21-24 Jun 2010, Valencia, Spain

Scientific paper

10.1063/1.3541972

We report on the recent developments of a new effective field theory for nuclear matter [1,2,3]. We present first the nuclear matter chiral power counting that takes into account both short-- and long--range inter-nucleon interactions. It also identifies non-perturbative strings of diagrams, related to the iteration of nucleon-nucleon interactions, which have to be re-summed. The methods of unitary chiral perturbation theory has been shown to be a useful tool in order to perform those resummations. Results up to next-to-leading order for the ground state energy per particle of nuclear matter, the in-medium chiral quark condensate and pion self-energy are discussed.

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