Existence of an incommensurate ground state of interacting spinless fermions in infinite dimensions

Details Existence of an incommensurate ground state of interacting spinless fermions in infinite dimensions Existence of an incommensurate ground state of interacting spinless fermions in infinite dimensions

1994-10-26

arxiv.org/abs/cond-mat/9410096v1

Physica B 206/207, 694 (1995)

Physics

Condensed Matter

8 pages, LaTeX

Scientific paper

10.1016/0921-4526(94)00559-E

We focus on the ground state phase diagram of a system of spinless fermions with repulsion on a hypercubic lattice in the limit of infinite dimensions. It occurs spontaneous symmetry breaking into a charge density wave (CDW). Using an ansatz for the order parameter which includes the homogeneous, the AB- and a large class of incommensurate phases we are able to calculate the phase diagram.

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