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Proceedings of the Yerevan State University, series Physical and Mathematical Sciences, 2016, Issue 3, Pages 42–46
(Mi uzeru273)
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Dedicated to 80th anniversary of Academician E. V. Chubaryan
Physics
Hypernuclear matter in compact stars
A. D. Sedrakian Institute for Theoretical Physics, J. W. Goethe-University, Germany
Abstract:
We discuss the recently developed energy density functional for hypernuclear matter, which is based on simultaneous calculation of heavy single-$\Lambda$ hypernuclei and compact stars containing hypernuclear core. The nucleonic matter is described in terms of a density-dependent parametrization of nucleon-meson couplings, whereas the hyperon-meson couplings are deduced from the octet model. We identify the parameter space of hyperon-meson couplings for which massive stellar configurations with $M\le 2.1 M_{\odot}$ exist and at the same time the laboratory $\Lambda$-hypernuclear data can be described.
Keywords:
neutron stars, hyperonic matter, equation of state.
Received: 06.07.2016 Accepted: 06.07.2016
Citation:
A. D. Sedrakian, “Hypernuclear matter in compact stars”, Proceedings of the YSU, Physical and Mathematical Sciences, 2016, no. 3, 42–46
Linking options:
https://www.mathnet.ru/eng/uzeru273 https://www.mathnet.ru/eng/uzeru/y2016/i3/p42
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Abstract page: | 80 | Full-text PDF : | 32 | References: | 20 |
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