Eur. Phys. J. C (1999) 6: 511-513
https://doi.org/10.1007/s100529800928

Chiral symmetry breaking in dense matter

¹ CCAST (World Laboratory), P.O. Box 8730, 100080, Beijing, China
² T.D. Lee Physics Laboratory and Institute of Modern Physics, Fudan University, 200433, Shanghai, China

Received: 20 November 1997
Revised: 24 February 1998
Published online: 17 September 2013

Abstract

The quark condensate in nuclear matter is studied. We relate it to the nuclear sigma commutator, and then treat it as sigma commutator for quasi- particles in a self-consistent way. We find that the deviation from the linear expression is large at high density.