磁化色香味锁态和致密星
Magnetized color flavor locked state and compact stars
摘要：
在唯象的MIT袋模型下，考虑了奇异夸克质量、重子密度、磁场以及袋和隙参数的变化，研究了色味锁相在强磁场存在下的稳定性.结果表明，在零压下，色味锁定态的每个重子的能量最小值低于未成对磁化的奇异夸克物质的相应值，并且随着磁场的增大，每个重子的能量减小.这意味着磁化的色味锁定物质更稳定，可能成为中子星内部的基态。还研究了这类恒星的质量-半径关系。
英文摘要：
The stability of the color flavor locked phase in the presence of a strong magnetic field is investigated within the phenomenological MIT bag model, taking into account the variation of the strange quark mass, the baryon density, the magnetic field, as well as the bag and gap parameters. It is found that the minimum value of the energy per baryon in a color flavor locked state at vanishing pressure is lower than the corresponding one for unpaired magnetized strange quark matter and, as the magnetic field increases, the energy per baryon decreases. This implies that magnetized color flavor locked matter is more stable and could become the ground state inside neutron stars. The mass-radius relation for such stars is also studied.
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