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THE MEAN π-FIELD SHOULD BE CALCULATED IN A RELATIVISTIC MEAN FIELD THEORY FOR NUCLEAR MATTER

Chun-Yuan Gao, Hua Guo, Qiren Zhang

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Abstract

We extend our work on the finite value of mean π-field in the relativistic mean field theory to the derivative coupling models for nuclear matter proposed by Zimanyi and Moszkowski. We show that a finite mean π-field may lower the energy per nucleon at a not too high density for all of those models. This qualitative result seems true in general and is model independent, although the quantitative details may be different for different models.

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What this paper is about

We extend our work on the finite value of mean π-field in the relativistic mean field theory to the derivative coupling models for nuclear matter proposed by Zimanyi and Moszkowski. We show that a finite mean π-field may lower the energy per nucleon at a not too high density for all of those models. This qualitative result seems true in general and is model independent, although the quantitative details may be different for different models.

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Available abstract

We extend our work on the finite value of mean π-field in the relativistic mean field theory to the derivative coupling models for nuclear matter proposed by Zimanyi and Moszkowski. We show that a finite mean π-field may lower the energy per nucleon at a not too high density for all of those models. This qualitative result seems true in general and is model independent, although the quantitative details may be different for different models.

Key concepts: Nuclear matter, Mean field theory, Physics, Field (mathematics), Field theory (psychology), Mean value, Coupling (piping), Quantum electrodynamics

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