Fate of the Wigner crystal on the square lattice
classification
❄️ cond-mat.str-el
keywords
latticecrystalphasesquarewignercasecomparedcoulomb
read the original abstract
The phase diagram of a system of electrons hopping on a square lattice and interacting through long-range Coulomb forces is studied as a function of density and interaction strength. The presence of a lattice strongly enhances the stability of the Wigner crystal phase as compared to the case of the two-dimensional electron gas.
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