Nuclear Incompressibility in Asymmetric Systems at Finite Temperature and Entropy

Details Nuclear Incompressibility in Asymmetric Systems at Finite Temperature and Entropy Nuclear Incompressibility in Asymmetric Systems at Finite Temperature and Entropy

2005-02-01

arxiv.org/abs/nucl-th/0502006v1

Phys.Rev. C72 (2005) 044305

Physics

Nuclear Physics

Nuclear Theory

11 pages

Scientific paper

10.1103/PhysRevC.72.044305

The nuclear incompressibility $\kappa$ is investigated in asymmetric systems in a mean field model. The calculations are done at zero and finite temperatures and include surface, Coulomb and symmetry energy terms for several equations of state. Also considered is the behavior of the incompressibility at constant entropy $kappa_Q$ which is shown to have a very different behavior than the isothermal $kappa$. Namely, $kappa_Q$ decreases with increasing entropy while the isothermal $kappa$ increases with increasing $T$. A duality is found between the adiabatic $kappa_Q$ and the T=0 isothermal $kappa$. Analytic and also simple approximate expressions for $kappa$ are given.

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