Meson Condensation in Dense Matter Revisited

Details Meson Condensation in Dense Matter Revisited Meson Condensation in Dense Matter Revisited

1994-02-08

arxiv.org/abs/nucl-th/9402014v2

Phys.Rev. D50 (1994) 3549-3552

Physics

Nuclear Physics

Nuclear Theory

10pages, USC(NT)-94-1

Scientific paper

10.1103/PhysRevD.50.3549

The results for meson condensation in the literature vary markedly depending on whether one uses chiral perturbation theory or the current-algebra-plus-PCAC approach. To elucidate the origin of this discrepancy, we re-examine the role of the sigma-term in meson condensation. We find that the resolution of the existing discrepancy requires a knowledge of terms in the Lagrangian that are higher order in density than hitherto considered.

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