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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Large-scale quantum Monte Carlo simulations provide direct microscopic evidence for a fermion-quadrupling condensate with transition temperature on the scale of the hopping energy.
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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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Demonstration of a fermion Quadrupling Condensate via Quantum Monte Carlo Simulation
Large-scale quantum Monte Carlo simulations provide direct microscopic evidence for a fermion-quadrupling condensate with transition temperature on the scale of the hopping energy.