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The constraints imposed by chiral symmetry on hadron correlation functions in nuclear medium are discussed. It is shown that these constraints imply a certain structure for the in-medium hadron correlators and lead to the cancelation of the order ρm π term in the in-medium nucleon correlator. We also consider the effect of mixing of the chiral partners correlation functions arising from the...
The effect of mixing of the vector and axial vector correlation functions in the nuclear medium arising from the interaction of nuclear pions with corresponding interpolating currents is considered. It is shown that the difference between ρ and a 1 meson correlators gets smaller with increasing nuclear density. This reflects partial restoration of chiral symmetry whereas the individual correlators...
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