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27 April 2024 |
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Strange Quark Matter in Neutron Stars? - New Results from Chandra and XMM | | Markus H. Thoma
; Joachim Truemper
; Vadim Burwitz
; | | Date: |
14 May 2003 | | Journal: | J.Phys. G30 (2004) S471-S478 | | Subject: | astro-ph hep-ph nucl-th | | Affiliation: | MPE Garching | | Abstract: | It has been predicted that quark and hybrid stars, containing strange quark matter in their core, have a significantly smaller radius than ordinary neutron stars. Preliminary X-ray observations of isolated neutron stars indicated a surprisingly small radius consistent with quark matter in the interior of the star. However, a new analysis of the data led to a radius corresponding to an ordinary neutron star. In the present talk we will discuss theoretical calculations of the mass-radius relation for quark and hybrid stars, taking into account medium effects in quark matter, and report on recent X-ray observations by Chandra and XMM and their latest interpretation. | | Source: | arXiv, astro-ph/0305249 | | Services: | Forum | Review | PDF | Favorites | |
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