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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Quantum geometry supplies 22-58% of the superfluid weight in MATBG, rising when remote bands are kept and peaking near nu = +/- 2.
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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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Band-basis decomposition of superfluid weight in magic-angle twisted bilayer graphene: Quantifying geometric and conventional contributions
Quantum geometry supplies 22-58% of the superfluid weight in MATBG, rising when remote bands are kept and peaking near nu = +/- 2.