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Magnetic-field-induced chiral particle-hole condensates

机译:磁场引起的手性粒子孔凝结

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We demonstrate that a chiral particle-hole condensate is always induced by a number-conserving ground state of nonzero angular momentum in the presence of a magnetic field. The magnetic interaction originates from the coupling with the intrinsic orbital moment of the chiral state when the field is applied perpendicularly to the plane. According to our numerical results, the induction mechanism is practically temperature independent, providing robustness to these states up to high temperatures. This opens the door for manipulating the anomalous Hall response resulting from this intricate class of states for technological applications while it also suggests that chiral particle-hole condensates may be hidden in various complex materials.
机译:我们证明了在磁场存在下,非零角动量的保数基态总是引起手性粒子孔凝结。当垂直于平面施加磁场时,磁性相互作用源自与手性态的固有轨道矩的耦合。根据我们的数值结果,感应机制实际上与温度无关,从而为高达高温的这些状态提供了鲁棒性。这为处理由复杂状态导致的异常霍尔响应打开了大门,可用于技术应用,同时也表明手性颗粒-孔冷凝物可能隐藏在各种复杂的材料中。

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