Triangular lattice quantum dimer model with variable dimer density

Zheng Yan, Rhine Samajdar, Yan-Cheng Wang, Subir Sachdev () and Zi Yang Meng ()
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Zheng Yan: The University of Hong Kong
Rhine Samajdar: Harvard University
Yan-Cheng Wang: Beihang Hangzhou Innovation Institute Yuhang
Subir Sachdev: Harvard University
Zi Yang Meng: The University of Hong Kong

Nature Communications, 2022, vol. 13, issue 1, 1-7

Abstract: Abstract Quantum dimer models are known to host topological quantum spin liquid phases, and it has recently become possible to simulate such models with Rydberg atoms trapped in arrays of optical tweezers. Here, we present large-scale quantum Monte Carlo simulation results on an extension of the triangular lattice quantum dimer model with terms in the Hamiltonian annihilating and creating single dimers. We find distinct odd and even $${{\mathbb{Z}}}_{2}$$ Z 2 spin liquids, along with several phases with no topological order: a staggered crystal, a nematic phase, and a trivial symmetric phase with no obvious broken symmetry. We also present dynamic spectra of the phases, and note implications for experiments on Rydberg atoms.

Date: 2022
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DOI: 10.1038/s41467-022-33431-5

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