Quarksonic matter at high isospin density

  • Analogous to the quarkyonic matter at high baryon density in which the quark Fermi seas and the baryonic excitations coexist, it is argued that a “quarksonic matter” phase appears at high isospin density where the quark (antiquark) Fermi seas and the mesonic excitations coexist. We explore this phase in detail in both large Nc and asymptotically free limits. In the large N_c limit, we sketch a phase diagram for the quarksonic matter. In the asymptotically free limit, we study the pion superfluidity and thermodynamics of the quarksonic matter by using both perturbative calculations and an effective model.
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Gaoqing Cao, Lianyi He and Xu-Guang Huang. Quarksonic matter at high isospin density[J]. Chinese Physics C, 2017, 41(5): 051001. doi: 10.1088/1674-1137/41/5/051001
Gaoqing Cao, Lianyi He and Xu-Guang Huang. Quarksonic matter at high isospin density[J]. Chinese Physics C, 2017, 41(5): 051001.  doi: 10.1088/1674-1137/41/5/051001 shu
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Received: 2017-01-17
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    Supported by Thousand Young Talents Program of China, Shanghai Natural Science Foundation, (14ZR1403000) and NSFC (11535012), China Postdoctoral Science Foundation (KLH1512072)

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Quarksonic matter at high isospin density

  • 1.  Physics Department and Center for Particle Physics and Field Theory, Fudan University, Shanghai 200433, China
  • 2.  Department of Physics, Tsinghua University and Collaborative Innovation Center ofQuantum Matter, Beijing 100084, China
Fund Project:  Supported by Thousand Young Talents Program of China, Shanghai Natural Science Foundation, (14ZR1403000) and NSFC (11535012), China Postdoctoral Science Foundation (KLH1512072)

Abstract: Analogous to the quarkyonic matter at high baryon density in which the quark Fermi seas and the baryonic excitations coexist, it is argued that a “quarksonic matter” phase appears at high isospin density where the quark (antiquark) Fermi seas and the mesonic excitations coexist. We explore this phase in detail in both large Nc and asymptotically free limits. In the large N_c limit, we sketch a phase diagram for the quarksonic matter. In the asymptotically free limit, we study the pion superfluidity and thermodynamics of the quarksonic matter by using both perturbative calculations and an effective model.

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