Collective modes in strange and isospin asymmetric hadronic matter

Details Collective modes in strange and isospin asymmetric hadronic matter Collective modes in strange and isospin asymmetric hadronic matter

2004-03-25

arxiv.org/abs/nucl-th/0403076v2

Phys.Lett. B603 (2004) 13-20

Physics

Nuclear Physics

Nuclear Theory

10 pages, 3 figures

Scientific paper

10.1016/j.physletb.2004.09.074

We study the propagation of non-strange and strange meson modes in hadronic matter considering both isospin and strangeness mixings induced by quantum fluctuations in the medium. Baryons are described using the Quark Meson Coupling model extended to include interactions of strange quarks. In particular we evaluate the dependence of the meson masses on the baryonic density, the strangeness fraction and the isospin asymmetry of the medium. We have found a considerable admixture of strangeness and isospin in the sigma-mode in the high density regime.

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