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Pairing transition of nuclei at finite temperature
- Source :
-
Nuclear Physics A . Aug2004, Vol. 740 Issue 1/2, p95-105. 11p. - Publication Year :
- 2004
-
Abstract
- Pairing transition at finite temperature was investigated by the shell model and BCS calculations. The definitive signature of pairing transition is identified by a “transition temperature” <f>Tt</f> estimated from a “thermal” odd–even mass difference, while there is no sharp phase transition because of the finiteness of nucleus. It is found that <f>Tt</f> is in good agreement with predictions of critical temperature <f>Tc</f> in the BCS approximation, and the pairing correlations almost vanish at two points of the transition temperature <f>T≈2Tt</f>. The BCS calculations show that the critical temperature <f>Tc</f> increases with increasing deformation. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 03759474
- Volume :
- 740
- Issue :
- 1/2
- Database :
- Academic Search Index
- Journal :
- Nuclear Physics A
- Publication Type :
- Academic Journal
- Accession number :
- 13624544
- Full Text :
- https://doi.org/10.1016/j.nuclphysa.2004.05.001