Temperature dependence of the nuclear symmetry energy
D. J. Dean, S. E. Koonin, K. Langanke, P. B. Radha
Abstract
We have studied the properties of A=54 and A=64 isobars at temperatures T ≤ 2 MeV via Monte Carlo shell model calculations with two different residual interactions. In accord with empirical indications, we find that the symmetry energy coefficient, bsym, is independent of temperature to within 0.6 MeV for T ≤ 1 MeV. This is in contrast to a recent suggestion of a 2.5 MeV increase of bsym for this temperature, which would have significantly altered the supernova explosion scenario.
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