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Rotations in isospace: A doorway to the understanding of neutron-proton superfluidity in N = Z nuclei
KTH, Superseded Departments, Physics.
2001 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 86, no 20, 4488-4491 p.Article in journal (Refereed) Published
Abstract [en]

The T = 2 excitations in even-even N = Z nuclei are calculated within the isospin cranked mean-held approach. The response of pairing correlations to rotation in isospace is investigated. Whereas the isovector pairing rather modestly modifies the single-particle moment of inertia in isospace, the isoscalar pairing strongly reduces its value. This reduction of the isomoments of inertia with respect to its rigid body value is a strong indicator of collective isoscalar pairing correlations. These results are further generalized yielding beautiful analogies between the role of isovector pairing for the case of spatial rotations and the role of isoscalar pairing for the case of isorotations.

Place, publisher, year, edition, pages
2001. Vol. 86, no 20, 4488-4491 p.
Keyword [en]
URN: urn:nbn:se:kth:diva-20615ISI: 000168623500016OAI: diva2:339311
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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