It is also instructive to examine the behavior of the su- 0 1 2 3 4 5 6 7 8 0 2000 4000 6000 8000 10000s = 0.2 = 20 = 200 2.5 3.0 3.5 4.0 4.5 5.0 0.0 0.5 1.0 1.5 2.0s FIG

=K LL(k)v(k)/πto diverge as well suggesting an enhancement of superfluidity due to the long range hopping of bosons forα <3 · 2000

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cond-mat.quant-gas · 2026-01-27 · unverdicted · novelty 7.0

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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Superfluidity in the spin-1/2 XY model with power-law interactions cond-mat.quant-gas · 2026-01-27 · unverdicted · none · ref 2
A new QMC estimator shows diverging superfluid density in the long-range 1d XY model as the interaction exponent alpha approaches zero.