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Mutual Chern-Simons gauge theory of spontaneous vortex phase

机译：自发涡旋相的相互Chern-Simons规范理论

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摘要

We apply the mutual Chern-Simons effective theory [Kou, Qi, and Weng, Phys. Rev. B 71, 235102 (2005)] of the doped Mott insulator to the study of the so-called spontaneous vortex phase in the low-temperature pseudogap region, which is characterized by strong unconventional superconducting fluctuations. An effective description for the spontaneous vortex phase is derived from the general mutual Chern-Simons Lagrangian, based on which the physical properties including the diamagnetism, spin paramagnetism, magnetoresistance, and the Nernst coefficient, have been quantitatively calculated. The phase boundaries of the spontaneous vortex phase, which sits between the onset temperature T_v and the superconducting transition temperature T_c, are also determined within the same framework. The results are consistent with the experimental measurements of the cuprates.
机译：我们应用相互的Chern-Simons有效理论[Kou，Qi，and Weng，Phys。修订版B 71，235102（2005）]，对掺杂的Mott绝缘子进行了研究，以研究低温伪间隙区域中的所谓自发涡旋相，其特征在于强烈的非常规超导波动。对自发涡旋相的有效描述是从一般的相互Chern-Simons拉格朗日算式得出的，在此基础上，已定量计算了包括反磁性，自旋顺磁性，磁阻和能斯特系数的物理性质。在同一框架内还确定了位于起始温度T_v和超导转变温度T_c之间的自发涡旋相的相界。结果与铜酸盐的实验测量结果一致。

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