Influence of the superfluid pairing interaction on collective states in the finite-temperature random phase approximation
- 1 August 1985
- journal article
- Published by IOP Publishing in Journal of Physics G: Nuclear Physics
- Vol. 11 (8) , L125-L133
- https://doi.org/10.1088/0305-4616/11/8/002
Abstract
A set of finite-temperature RPA equations is obtained within the framework of the quasiparticle-phonon nuclear model using a separable multipole interaction. The calculations have been performed for the isovector dipole and isoscalar quadrupole modes in 58Ni. The author finds that the centroids of the giant resonances undergo a bending in the critical temperature region where the collapse of the pairing gap takes place.Keywords
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