| A note on the discovery of a 2M_⊙ pulsar |
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| 基金项目： | supported by the National Natural Science Foundation of China (Grant Nos. 10935001 and 10973002); the National Basic Research Program of China (973 program, Grant No. 2009CB824800); the China Postdoctoral Science Foundation and the John Templeton Foundation |
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| 摘 要： | It is conventionally thought that the state equation of dense matter softens and thus cannot result in high maximum mass if pulsars are quark stars and that a recently discovered 2M⊙ pulsar (PSR J1614-2230) may make pulsars unlikely to be quark stars. However, this standard point of view would be revisited and updated if quark clustering could occur in cold quark matter because of the strong coupling be- tween quarks at realistic baryon densities in compact stars. It can be argued that the state equation of...
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| 关 键 词： | dense matter — elementary particles — pulsars: general — stars: neutron |
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