A new deterministic-loop SSE algorithm for quantum antiferromagnets in staggered fields reduces Monte Carlo CPU time relative to directed-loop updates while enabling separate longitudinal and transverse mode studies.
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A new QMC estimator shows diverging superfluid density in the long-range 1d XY model as the interaction exponent alpha approaches zero.
A QMC-based framework tests the lattice-Bisognano-Wichmann ansatz for reconstructing entanglement Hamiltonians in 2D systems without Lorentz invariance or translational symmetry, finding good accuracy for ordinary boundaries.
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Deterministic Loop Stochastic Series Expansion Algorithm for Quantum Spin Models in Magnetic Fields
A new deterministic-loop SSE algorithm for quantum antiferromagnets in staggered fields reduces Monte Carlo CPU time relative to directed-loop updates while enabling separate longitudinal and transverse mode studies.
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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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Exploring the limit of the Lattice-Bisognano-Wichmann form describing the Entanglement Hamiltonian: A quantum Monte Carlo study
A QMC-based framework tests the lattice-Bisognano-Wichmann ansatz for reconstructing entanglement Hamiltonians in 2D systems without Lorentz invariance or translational symmetry, finding good accuracy for ordinary boundaries.