Ground-state properties of the two-dimensional bose coulomb liquid

W. R. Magro, D. M. Ceperley

Research output: Contribution to journalArticle

Abstract

We present results of a ground-state study, via the diffusion Monte Carlo method, of a two-dimensional charged boson liquid. We observe three distinct behaviors in this system. At the lowest densities a close-packed Wigner crystal forms. At rs ≈ 12 the crystal melts into a noncondensed liquid exhibiting algebraic off-diagonal long-range order; the single-particle density matrix decays as r-rs/4. Above a threshold density (rs < 8), the long-wavelength momentum distribution diverges as k(rs-8)/4, although no condensate forms.

Original languageEnglish (US)
Pages (from-to)826-829
Number of pages4
JournalPhysical review letters
Volume73
Issue number6
DOIs
StatePublished - Jan 1 1994

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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