On the particle-hole symmetry of the fermionic spinless Hubbard model in $D=1$

M. T. Thomaz, E. V. Corrêa Silva, O. Rojas

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 t…