Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/4572
Title: | Effects of flavor asymmetric media on pion and kaon properties | Authors: | Sousa, C. A. de Ruivo, M. C. |
Issue Date: | 1998 | Citation: | Nuclear Physics A. 629:1-2 (1998) 552-555 | Abstract: | We investigate the behaviour of pion and kaon properties in dense asymmetric and neutron matter in the context of a generalized three-flavor Nambu-Jona-Lasinio model, focussing mainly on Pauli blocking and Fermi sea effects. Two main features are discussed: the splitting between charged mesons and the appearance at a low density of low-lying modes which are excitations of the Fermi sea. The contribution of the low-lying modes to the satisfaction of PCAC relations becomes more and more important as the density increases. | URI: | https://hdl.handle.net/10316/4572 | DOI: | 10.1016/S0375-9474(97)00736-7 | Rights: | openAccess |
Appears in Collections: | FCTUC Física - Artigos em Revistas Internacionais |
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filefcbcb7d7176a42f3b6641fff5ff0ec70.pdf | 245.6 kB | Adobe PDF | View/Open |
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