Journal
PHYSICAL REVIEW B
Volume 106, Issue 20, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.106.205121
Keywords
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Funding
- CNRS
- IISER Pune
- Grant NanoX [ANR-17-EURE-0009]
- CALMIP [2021-P0677, 2022-P0677]
- GENCI [A0090500225, A0110500225]
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We investigated the finite-temperature phase diagram of the quantum dimer model on the square lattice using quantum Monte Carlo method. A high-temperature critical phase with power-law correlations was found, extending down to the Rokhsar-Kivelson point, where a reentrance effect was observed in the lines of constant exponent. Finite-temperature transitions to ordered states (columnar and staggered) were also found for small values of the kinetic energy strength, matching those of interacting classical dimer models.
We present a quantum Monte Carlo investigation of the finite-temperature phase diagram of the quantum dimer model on the square lattice. We use the sweeping cluster algorithm, which allows the exact implementation of the dimer constraint, supplemented with an equal-time directed loop move that allows sampling the winding sectors. We find a high-temperature critical phase with power-law correlations that extends down to the Rokhsar-Kivelson point, in the vicinity of which a reentrance effect in the lines of constant exponent is found. For small values of the kinetic energy strength, we find finite-temperature transitions to ordered states (columnar and staggered) which match those of interacting classical dimer models.
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