非均匀手征相中夸克物质的自发磁化
Spontaneous magnetization of quark matter in the inhomogeneous chiral phase
摘要:
考虑标量凝聚和赝标凝聚的密度波,研究了夸克物质对弱外磁场的响应。在外加磁场中,最低朗道能级的能谱在零附近变得不对称,这与手征反常密切相关,并导致自发磁化。这一机制可能是类星体和/或磁星中强磁场起源的候选机制之一。
英文摘要:
Considering the density wave of scalar and pseudoscalar condensates, we study the response of quark matter to a weak external magnetic field. In an external magnetic field, the energy spectrum of the lowest Landau level becomes asymmetric about zero, which is closely related to chiral anomaly, and gives rise to the spontaneous magnetization. This mechanism may be one of candidates for the origin of the strong magnetic field in pulsars and/or magnetars.
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