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Linear response theory in asymmetric nuclear matter for Skyrme functionals including spin-orbit and tensor terms

par Davesne, Dany;Pastore, Alessandro ;Navarro, Garcìa
Référence Physical review. C, Nuclear physics, 89, page (044302)
Publication Publié, 2014-04-03

Article révisé par les pairs

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Résumé :

The formalism of linear response theory for a Skyrme functional including spin-orbit and tensor terms is generalized to the case of infinite nuclear matter with arbitrary isospin asymmetry. Response functions are obtained by solving an algebraic system of equations, which is explicitly given. Spin-isospin strength functions are analyzed varying the conditions of density, momentum transfer, asymmetry, and temperature. The presence of instabilities, including the spinodal one, is studied by means of the static susceptibility. © 2014 American Physical Society.