Chin. Phys. Lett.  2006, Vol. 23 Issue (12): 3226-3229    DOI:
Original Articles |
A Separable Pairing Force in Nuclear Matter
TIAN Yuan;MA Zhong-Yu
China Institute of Atom Energy, Beijing 102413
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TIAN Yuan, MA Zhong-Yu 2006 Chin. Phys. Lett. 23 3226-3229
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Abstract The method introduced by Duguet is adopted to derive a separable form of the pairing interaction in the ¹S0; channel from a bare or an effective nucleon--nucleon (NN) interaction in nuclear matter. With this approach the separable pairing interaction reproduces the pairing properties provided by its corresponding NN interaction. In this work, separable forms of pairing interactions in the ¹S0; channel for the bare NN interaction, Bonn potential and the Gogny effective interaction are obtained. It is found that the separable force of the Gogny effective interaction in the ¹S0 channel has a clear link with the bare NN interaction. With such a simple separable form pairing properties provided by the Gogny force in nuclear matter can be reproduced.

Keywords: 21. 30. -x      21. 65. +f     
Published: 01 December 2006
PACS:  21. 30. -x  
  21. 65. +f  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2006/V23/I12/03226
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TIAN Yuan
MA Zhong-Yu
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