Gaussian fluctuations make the quark meson model predict a non-monotonic nucleon mass and a faster-growing nucleon radius as temperature and density increase.
The baryon mass calculation in the chiral soliton model at finite temperature and density
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In the mean-field approximation, we have studied the soliton which is embedded in a thermal medium within the chiral soliton model. The energy of the soliton or the baryon mass in the thermal medium has been carefully evaluated, in which we emphasize that the thermal effective potential in the soliton energy should be properly treated in order to derive a finite and well-defined baryon mass out of the thermal background. The result of the baryon mass at finite temperatures and densities in chiral soliton model are clearly presented.
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The nucleon properties in finite temperature and density with Gaussian fluctuations
Gaussian fluctuations make the quark meson model predict a non-monotonic nucleon mass and a faster-growing nucleon radius as temperature and density increase.