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Ferromagnetic instabilities in neutron matter at finite temperature with the Skyrme interaction

Rios, A, Polls, A and Vidaña, I (2005) Ferromagnetic instabilities in neutron matter at finite temperature with the Skyrme interaction Phys.Rev. C, 71.

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Abstract

The properties of spin polarized neutron matter are studied both at zero and finite temperature using Skyrme-type interactions. It is shown that the critical density at which ferromagnetism takes place decreases with temperature. This unexpected behaviour is associated to an anomalous behaviour of the entropy which becomes larger for the polarized phase than for the unpolarized one above a certain critical density. This fact is a consequence of the dependence of the entropy on the effective mass of the neutrons with different third spin component and a new constraint on the parameters of the effective Skyrme force is derived in order to avoid such a behaviour.

Item Type: Article
Authors :
NameEmailORCID
Rios, AUNSPECIFIEDUNSPECIFIED
Polls, AUNSPECIFIEDUNSPECIFIED
Vidaña, IUNSPECIFIEDUNSPECIFIED
Date : 12 January 2005
Identification Number : https://doi.org/10.1103/PhysRevC.71.055802
Uncontrolled Keywords : nucl-th, nucl-th
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:05
Last Modified : 17 May 2017 13:05
URI: http://epubs.surrey.ac.uk/id/eprint/837920

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