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Journal Article

Quantum Spin Liquid with Even Ising Gauge Field Structure on Kagome Lattice

MPS-Authors
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Zhang,  Xue-Feng
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Pollmann,  Frank
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

Fulltext (public)

1711.03679.pdf
(Preprint), 7MB

Supplementary Material (public)
There is no public supplementary material available
Citation

Wang, Y.-C., Zhang, X.-F., Pollmann, F., Cheng, M., & Meng, Z. Y. (2018). Quantum Spin Liquid with Even Ising Gauge Field Structure on Kagome Lattice. Physical Review Letters, 121(5): 057202. doi:10.1103/PhysRevLett.121.057202.


Cite as: http://hdl.handle.net/21.11116/0000-0001-F86F-C
Abstract
Employing large-scale quantum Monte Carlo simulations, we study the extended XXZ model on the kagome lattice. A Z(2) quantum spin liquid phase with effective even Ising gauge field structure emerges from the delicate balance among three symmetry-breaking phases including stripe solid, staggered solid, and ferromagnet. This Z(2) spin liquid is stabilized by an extended interaction related to the Rokhsar-Kivelson potential in the quantum dimer model limit. The phase transitions from the staggered solid to a spin liquid or ferromagnet are found to be first order and so is the transition between the stripe solid and ferromagnet. However, the transition between a spin liquid and ferromagnet is found to be continuous and belongs to the 3D XY* universality class associated with the condensation of spinons. The transition between a spin liquid and stripe solid appears to be continuous and associated with the condensation of visons.