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

G. S. Uhrig·R. Vlaming
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Abstract

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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G. S. Uhrig, R. Vlaming. 1994-10-26. Existence of an incommensurate ground state of interacting spinless fermions in infinite dimensions. https://doi.org/10.1016/0921-4526(94)00559-e

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