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A theory of finite-temperature Bose-Einstein condensates in neutron stars |
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| Authors: | Christine Gruber Axel Pelster |
| Affiliation: | 1. Institut für Theoretische Physik, Freie Universit?t Berlin, Arnimallee 14, 14195, Berlin, Germany 2. Institut für Physik, Universit?t Oldenburg, Carl-von-Ossietzky-Str. 9-11, 26129, Oldenburg, Germany 3. Fachbereich Physik und Forschungszentrum OPTIMAS, Technische Universit?t Kaiserslautern, Erwin-Schr?dinger-Strasse 46, 67663, Kaiserslautern, Germany |
| Abstract: | We investigate the possible occurrence of a Bose-Einstein condensed phase of matter within neutron stars due to the formation of Cooper pairs among the superfluid neutrons. To this end we study the condensation of bosonic particles under the influence of both a short-range contact and a long-range gravitational interaction in the framework of a Hartree-Fock theory. We consider a finite-temperature scenario, generalizing existing approaches, and derive macroscopic and astrophysically relevant quantities like a mass limit for neutron stars. |
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