Momentum Distribution of a Weakly Coupled Fermi Gas
Girish S. Setlur
Abstract
We apply the sea-boson method to compute the momentum distribution of a spinless continuum Fermi gas in two space dimensions with short-range repulsive interactions. We find that the ground state of the system is a Landau Fermi liquid( 0 < ZF < 1 ). We also apply this method to study the one-dimensional system when the interactions are long-ranged gauge interactions. We map the Wigner crystal phase of this system.
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