Collective excitations in superfluid nuclei are studied by using the semiclassical time-dependent Hartree-Fock-Bogoliubov equations of motion in a linear approximation. It is found that the strength function associated with the anomalous density response function shows a resonance structure with a sharp peak around double energy gap. This displays the monopole pairing collective mode.
Pairing collective modes in superfluid nuclei: a semiclassical approach / V.I. Abrosimov; D.M. Brink; F. Matera. - In: BULLETIN OF THE RUSSIAN ACADEMY OF SCIENCES. PHYSICS. - ISSN 1062-8738. - STAMPA. - 78:(2014), pp. 630-633.
Pairing collective modes in superfluid nuclei: a semiclassical approach
MATERA, FRANCESCO
2014
Abstract
Collective excitations in superfluid nuclei are studied by using the semiclassical time-dependent Hartree-Fock-Bogoliubov equations of motion in a linear approximation. It is found that the strength function associated with the anomalous density response function shows a resonance structure with a sharp peak around double energy gap. This displays the monopole pairing collective mode.
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