Is spontaneous vortex generation in superconducting 4Hb-TaS2 from vison-vortex nucleation with $\mathbb{Z}_{2}$ topological order?
Rui Leonard Luo,
Gang V. Chen
Abstract:We propose the superconducting van der Waals material 4Hb-TaS2 to realize the $\mathbb{Z}_{2}$
Z
2
topological order and interpret the recent discovery of the spontaneous vortex generation in 4Hb-TaS2 as the vison-vortex nucleation. For the alternating stacking of metallic/superconducting and Mott insulating layers in 4Hb-TaS2, we expect the local moments in the Mott insulating 1T-TaS2 layer to form the $\mathbb{Z}_{… Show more
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