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Magnetized strange quark matter in the equivparticle model with both confinement and perturbative interactions

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Abstract

We investigated the properties of strange quark matter in an external strong magnetic field with both confinement and leading-order perturbative interactions considered. It was found that the leading-order perturbative interaction can stiffen the equation of state of magnetized quark matter, while the magnetic field lowers the minimum energy per baryon. By solving the Tolman–Oppenheimer–Volkoff equations, we obtain the internal structure of strange stars. The maximum mass of strange stars can be as large as 2 times the solar mass.

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Authors and Affiliations

  1. School of Physics, University of Chinese Academy of Sciences, 380 Huaibeizhen, Beijing, 101408, China

    Cheng Peng, Guang-Xiong Peng, Jian-Feng Xu & Shi-Peng Zhang

  2. Theoretical Physics Center for Science Facilities, Institute of High Energy Physics, Beijing, 100049, China

    Guang-Xiong Peng

  3. Synergetic Innovation Center for Quantum Effects and Application, Hunan Normal University, Changsha, 410081, China

    Guang-Xiong Peng

  4. Key Laboratory of Frontiers in Theoretical Physics, Institute of Theoretical Physics, Beijing, 100190, China

    Cheng-Jun Xia

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Correspondence to Guang-Xiong Peng.

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This work was supported by the National Natural Science Foundation of China (Nos. 11135011, 11475110, and 11575190)

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Peng, C., Peng, GX., Xia, CJ. et al. Magnetized strange quark matter in the equivparticle model with both confinement and perturbative interactions. NUCL SCI TECH 27, 98 (2016). https://doi.org/10.1007/s41365-016-0095-5

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