TY - JOUR
T1 - Exact stripe, checkerboard, and droplet ground states in two dimensions
AU - Gulácsi, Zsolt
AU - Gulácsi, Miklos
PY - 2006
Y1 - 2006
N2 - Exact static nondegenerate stripe and checkerboard ground states are obtained in a two-dimensional generalized periodic Anderson model, for a broad concentration range below quarter filling. The random droplet states, also present in the degenerate ground state, are eliminated by extending the Hamiltonian with terms of different physical origin such as dimerization, periodic charge displacements, density waves, or distortion lines.
AB - Exact static nondegenerate stripe and checkerboard ground states are obtained in a two-dimensional generalized periodic Anderson model, for a broad concentration range below quarter filling. The random droplet states, also present in the degenerate ground state, are eliminated by extending the Hamiltonian with terms of different physical origin such as dimerization, periodic charge displacements, density waves, or distortion lines.
UR - http://www.scopus.com/inward/record.url?scp=33144484337&partnerID=8YFLogxK
U2 - 10.1103/PhysRevB.73.014524
DO - 10.1103/PhysRevB.73.014524
M3 - Article
SN - 1098-0121
VL - 73
JO - Physical Review B - Condensed Matter and Materials Physics
JF - Physical Review B - Condensed Matter and Materials Physics
IS - 1
M1 - 014524
ER -