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19972026
most citedFidelity Between Partial States as Signature of Quantum Phase Transitions

78 citations · 377 across the 27 of their papers we have counts for

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cond-mat1998

Optical absorption edge in one-dimensional conductors

J. M. P. Carmelo, P. D. Sacramento, N. M. R. Peres +1

The frequency-dependent conductivity is studied for both the one-dimensional Hubbard model and a model of spinless fermions, using a selection rule, the Bethe ansatz energy eigenst…