eta pairing and superconductivity in the negative-U Hubbard model.
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Biomedical subjects
H Betsuyaku
Publications and source records attributed to H Betsuyaku.
Crossover effects in a spin-(1/2 antiferromagnetic Heisenberg-Ising ring.
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Magnons and solitons in a spin-1 antiferromagnetic Heisenberg-Ising ring.
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Finite-lattice extrapolations for the ground-state energies of antiferromagnetic Heisenberg rings.
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Thermofield transfer-matrix method and its applications to quantum spin systems.
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Ground state of antiferromagnetic Heisenberg rings studied by the projector method.
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