A new QMC estimator shows diverging superfluid density in the long-range 1d XY model as the interaction exponent alpha approaches zero.
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Numerical simulations of the Rydberg triangular lattice model show order-by-disorder √3×√3 order at half filling and an emergent KT phase at finite temperature.
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Superfluidity in the spin-1/2 XY model with power-law interactions
A new QMC estimator shows diverging superfluid density in the long-range 1d XY model as the interaction exponent alpha approaches zero.
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Order-by-disorder and emergent Kosterlitz-Thouless phase in triangular Rydberg array
Numerical simulations of the Rydberg triangular lattice model show order-by-disorder √3×√3 order at half filling and an emergent KT phase at finite temperature.