Thomaz, M.T.; Corrêa Silva, E.V.; Rojas, O.
(Condensed Matter Physics, 2014)
We revisit the particle-hole symmetry of the one-dimensional (D=1) fermionic spinless Hubbard model, associating that symmetry to the invariance of the Helmholtz free energy of the one-dimensional spin-1/2 XXZ Heisenberg ...