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Quark condensate in the nuclear medium

Authors
  • Chanfray, G.
  • Ericson, Magda
Publication Date
Jan 01, 1993
Identifiers
DOI: 10.1016/0375-9474(93)90370-D
OAI: oai:inspirehep.net:363051
Source
INSPIRE-HEP
License
Unknown
External links

Abstract

We study the evolution with density of the quark condensate beyond the approximation of independent nucleons. Our method relates this evolution to the nuclear Σ-commutator which is treated as a soft-pion scattering problem. We evaluate the pion-exchange correction to the soft amplitude, which incorporates the effect of tensor correlations. Our result has a simple physical interpretation in terms of the pion excess number.

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