A diagrammatic Monte Carlo framework computes fermionic Rényi entanglement entropies order-by-order on large lattices via graded-swap representation and connected-determinant summation.
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Derives universal angle-dependent corner contributions to charge fluctuations in higher-dimensional quantum systems, with benchmarks at O(3) critical points and even-odd effects in metals.
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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Diagrammatic Monte Carlo for Fermionic R\'enyi Entanglement Entropy
A diagrammatic Monte Carlo framework computes fermionic Rényi entanglement entropies order-by-order on large lattices via graded-swap representation and connected-determinant summation.
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Corner Charge Fluctuations in Higher Dimensions
Derives universal angle-dependent corner contributions to charge fluctuations in higher-dimensional quantum systems, with benchmarks at O(3) critical points and even-odd effects in metals.
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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.