Color-flavor locked superconductor in a magnetic field
Color-flavor locked superconductor in a magnetic field
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DOI：
10.1103/physrevd.76.105030
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发表时间：
2007-08
影响因子：
5
通讯作者：
J. Noronha;I. Shovkovy
中科院分区：
文献类型：
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作者：
J. Noronha;I. Shovkovy
在Nambu-Jona-Lasinio模型框架下，研究了中等强磁场对色香味锁色超导夸克物质性质的影响。我们发现描述彩色超导配对和磁化强度的能隙是磁场的振荡函数。此外，我们观察到磁化振荡可以如此强烈，以至于均匀夸克物质在一定范围内成为亚稳态。我们认为，这表明磁星的夸克核中可能存在磁畴或其他类型的磁不均匀性。
We study the effects of moderately strong magnetic fields on the properties of color-flavor locked color superconducting quark matter in the framework of the Nambu-Jona-Lasinio model. We find that the energy gaps, which describe the color superconducting pairing as well as the magnetization, are oscillating functions of the magnetic field. Also, we observe that the oscillations of the magnetization can be so strong that homogeneous quark matter becomes metastable for a range of parameters. We suggest that this points to the possibility of magnetic domains or other types of magnetic inhomogeneities in the quark cores of magnetars.