Extrapolated ground-state energy density reaches -0.669441857(7) and sublattice magnetization 0.307447(2) for the 2D S=1/2 Heisenberg antiferromagnet, with finite-size corrections matching chiral perturbation theory.
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Exact diagonalization on small clusters confirms short-time magnetization switching from time-dependent Schwinger boson mean-field theory in quantum antiferromagnets with 12.5 percent deviation.
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High-precision ground state parameters of the two-dimensional spin-1/2 Heisenberg model on the square lattice
Extrapolated ground-state energy density reaches -0.669441857(7) and sublattice magnetization 0.307447(2) for the 2D S=1/2 Heisenberg antiferromagnet, with finite-size corrections matching chiral perturbation theory.
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Switching magnetization of quantum antiferromagnets: Schwinger boson mean-field theory compared to exact diagonalization
Exact diagonalization on small clusters confirms short-time magnetization switching from time-dependent Schwinger boson mean-field theory in quantum antiferromagnets with 12.5 percent deviation.