Tripartite entangled plaquette state in a cluster magnet

Tripartite entangled plaquette state in a cluster magnet Using large-scale quantum Monte Carlo simulations we show that a spin-12XXZ model on a two-dimensional anisotropic kagome lattice exhibits a tripartite entangled plaquette state that preserves all of the Hamiltonian symmetries. It is connected via phase boundaries to a ferromagnet and a valence-bond solid that break U(1) and lattice translation symmetries, respectively. We study the phase diagram of the model in detail, in particular the transitions to the tripartite entangled plaquette state, which are consistent with conventional order-disorder transitions. Our results can be interpreted as a description of the charge sector dynamics of a Hubbard model applied to the spin liquid candidate LiZn2Mo3O8, as well as a model of strongly correlated bosonic atoms loaded onto highly tunable trimerized optical kagome lattices. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review B American Physical Society (APS)

Tripartite entangled plaquette state in a cluster magnet

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Tripartite entangled plaquette state in a cluster magnet

Abstract

Using large-scale quantum Monte Carlo simulations we show that a spin-12XXZ model on a two-dimensional anisotropic kagome lattice exhibits a tripartite entangled plaquette state that preserves all of the Hamiltonian symmetries. It is connected via phase boundaries to a ferromagnet and a valence-bond solid that break U(1) and lattice translation symmetries, respectively. We study the phase diagram of the model in detail, in particular the transitions to the tripartite entangled plaquette state, which are consistent with conventional order-disorder transitions. Our results can be interpreted as a description of the charge sector dynamics of a Hubbard model applied to the spin liquid candidate LiZn2Mo3O8, as well as a model of strongly correlated bosonic atoms loaded onto highly tunable trimerized optical kagome lattices.
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Publisher
The American Physical Society
Copyright
Copyright © ©2017 American Physical Society
ISSN
1098-0121
eISSN
1550-235X
D.O.I.
10.1103/PhysRevB.96.054405
Publisher site
See Article on Publisher Site

Abstract

Using large-scale quantum Monte Carlo simulations we show that a spin-12XXZ model on a two-dimensional anisotropic kagome lattice exhibits a tripartite entangled plaquette state that preserves all of the Hamiltonian symmetries. It is connected via phase boundaries to a ferromagnet and a valence-bond solid that break U(1) and lattice translation symmetries, respectively. We study the phase diagram of the model in detail, in particular the transitions to the tripartite entangled plaquette state, which are consistent with conventional order-disorder transitions. Our results can be interpreted as a description of the charge sector dynamics of a Hubbard model applied to the spin liquid candidate LiZn2Mo3O8, as well as a model of strongly correlated bosonic atoms loaded onto highly tunable trimerized optical kagome lattices.

Journal

Physical Review BAmerican Physical Society (APS)

Published: Aug 4, 2017

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