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Extended skyrme interaction for spin channels

Abstract : Most of the Skyrme interactions are known to predict spin or isospin instabilities beyond the saturation density of nuclear matter which contradict predictions based on realistic interactions. A modification of the standard Skyrme interaction is proposed so that the ferromagnetic instability is removed. The new terms are density dependent and modify only the spin p-h interaction in the case of spin-saturated system.
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Submitted on : Thursday, January 7, 2010 - 3:47:12 PM
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J. Margueron, H. Sagawa. Extended skyrme interaction for spin channels. International Journal of Modern Physics E, World Scientific Publishing, 2009, 18, pp.2098-2102. ⟨10.1142/S0218301309014366⟩. ⟨in2p3-00444995⟩



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