Meson-Nucleon Vertex Form Factors at Finite Temperature Using a Soft Pion Form Factor

preprint2003arXivOpen access

Abstract

The temperature and density dependence of the meson-nucleon vertex form factors is studied in the framework of thermofield dynamics. Results are obtained for two rather different nucleon-nucleon potentials: the usual Bonn potential and the variation with a softer πNNπNN form factor, due to Holinde and Thomas. In general, the results show only a modest degree of sensitivity to the choice of interaction.

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