Chiral Lagrangians at finite density

Details Chiral Lagrangians at finite density Chiral Lagrangians at finite density

2001-01-18

arxiv.org/abs/hep-ph/0101204v2

Phys.Rev. C65 (2002) 025204

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 Pages, 3 figures, REVTeX. Extended version. Explicit Feynman rules are given

Scientific paper

10.1103/PhysRevC.65.025204

The effective SU(2) chiral Lagrangian with external sources is given in the presence of non-vanishing nucleon densities by calculating the in-medium contributions of the chiral pion-nucleon Lagrangian. As a by product, a relativistic quantum field theory for Fermi many-particle systems at zero temperature is directly derived from relativistic quantum field theory with functional methods.

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