Andreev-Lifshitz supersolid revisited for a few electrons on a square lattice II

Details Andreev-Lifshitz supersolid revisited for a few electrons on a square lattice II Andreev-Lifshitz supersolid revisited for a few electrons on a square lattice II

2003-05-27

arxiv.org/abs/cond-mat/0305616v1

Eur. Phys. J. B 33, 87-101 (2003)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

15 pages, 28 postscript figures

Scientific paper

10.1140/epjb/e2003-00145-0

In this second paper, using N=3 polarized electrons (spinless fermions) interacting via a U/r Coulomb repulsion on a two dimensional L * L square lattice with periodic boundary conditions and nearest neighbor hopping, we show that a single unpaired fermion can co-exist with a correlated two particle Wigner molecule for intermediate values of the Coulomb energy to kinetic energy ratio r_s.

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