期刊
EUROPEAN PHYSICAL JOURNAL A
卷 45, 期 2, 页码 169-177出版社
SPRINGER
DOI: 10.1140/epja/i2010-10986-x
关键词
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资金
- Alexander von Humboldt Stiftung
- Department of Science and Technology, Government of India [SR/S2/HEP-21/2006]
The modification of kaon and antikaon properties in the interior of (proto-)neutron stars is investigated using a chiral SU(3) model. The parameters of the model are fitted to nuclear-matter saturation properties, baryon octet vacuum masses, hyperon optical potentials and low-energy kaon-nucleon scattering lengths. We study the kaon/antikaon medium modification and explore the possibility of antikaon condensation in (proto-)neutron star matter at zero as well as finite temperature/entropy and neutrino content. The effect of hyperons on kaon and antikaon optical potentials is also investigated at different stages of the neutron star evolution.
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