Exact stripe, checkerboard, and droplet ground states in two dimensions

Z. Gulácsi, Miklos Gulácsi

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

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.

Original languageEnglish
Article number014524
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume73
Issue number1
DOIs
Publication statusPublished - 2006

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Ground state
Hamiltonians
ground state
Dimerization
dimerization

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Exact stripe, checkerboard, and droplet ground states in two dimensions. / Gulácsi, Z.; Gulácsi, Miklos.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 73, No. 1, 014524, 2006.

Research output: Contribution to journalArticle

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