Wigner Crystal, Electron Chain, and Charge Density Wave in Strong Magnetic Fields

Yoshio Kuramoto

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)

Abstract

The ground state of the many-electron system in strong magnetic fields is investigated from low to high density region using a variational formalism. It is argued that the anisotropic Wigner crystal at low densities is gradually transformed into an assembly of chain structures as the density is increased and overlap of wave functions along the magnetic field becomes appreciable. When the density is increased further the exchange interaction becomes important along every direction of the space. Even in that case the ground state is shown to be a charge-density-wave state in marked contrast to the case without magnetic fields. Application of the result to impure semiconductors and astrophysical systems is discussed.

Original languageEnglish
Pages (from-to)1572-1582
Number of pages11
Journaljournal of the physical society of japan
Volume44
Issue number5
DOIs
Publication statusPublished - 1978 Jan 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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