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Chinese Physics C> 2017, Vol. 41> Issue(11) : 115101 DOI: 10.1088/1674-1137/41/11/115101

Two-flavor hybrid stars with the Dyson-Schwinger quark model

  • 1.

      School of Mathematics and Physics, China University of Geosciences, Lumo Road 388, Wuhan 430074, China

  • 2.

      INFN Sezione di Catania, Dipartimento di Fisica, Universitá

  • We study the properties of two-flavor quark matter in the Dyson-Schwinger model and investigate the possible consequences for hybrid neutron stars, with particular regard to the two-solar-mass limit. We find that with some extreme values of the model parameters, the mass fraction of two-flavor quark matter in heavy neutron stars can be as high as 30 percent and the possible energy release during the conversion from nucleonic neutron stars to hybrid stars can reach 1052 erg.
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J. B. Wei, H. Chen and H. -J. Schulze. Two-flavor hybrid stars with the Dyson-Schwinger quark model[J]. Chinese Physics C, 2017, 41(11): 115101. doi: 10.1088/1674-1137/41/11/115101
J. B. Wei, H. Chen and H. -J. Schulze. Two-flavor hybrid stars with the Dyson-Schwinger quark model[J]. Chinese Physics C, 2017, 41(11): 115101.  doi: 10.1088/1674-1137/41/11/115101 shu
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Received: 2017-02-16
Revised: 2017-07-14
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    Supported by NSFC (11305144, 11475149, 11303023), Central Universities (CUGL 140609) in China, NewCompStar, COST Action MP1304

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Two-flavor hybrid stars with the Dyson-Schwinger quark model

    Corresponding author: H. -J. Schulze, huanchen@cug.edu.cn
  • 1.  School of Mathematics and Physics, China University of Geosciences, Lumo Road 388, Wuhan 430074, China
  • 2.  INFN Sezione di Catania, Dipartimento di Fisica, Universitá
  • Received Date: 2017-02-16
  • Accepted Date: 2017-07-14
  • Available Online: 2017-11-05
Fund Project:  Supported by NSFC (11305144, 11475149, 11303023), Central Universities (CUGL 140609) in China, NewCompStar, COST Action MP1304

Abstract: We study the properties of two-flavor quark matter in the Dyson-Schwinger model and investigate the possible consequences for hybrid neutron stars, with particular regard to the two-solar-mass limit. We find that with some extreme values of the model parameters, the mass fraction of two-flavor quark matter in heavy neutron stars can be as high as 30 percent and the possible energy release during the conversion from nucleonic neutron stars to hybrid stars can reach 1052 erg.

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