Dimensionality shift by three due to random fields in quantum spin systems

A. Aharony, Y. Gefen, Y. Shapir

Research output: Contribution to journalArticlepeer-review

43 Scopus citations

Abstract

The critical properties of d-dimensional zero-temperature quantum-mechanical spin models are studied in the presence of random fields, and shown to be the same as those of the zero random field case in (d-3) dimensions. These properties are also the same as those of the classical transition, occurring at finite temperatures. Random fields thus destroy the quantum to classical crossover near zero temperature.

Original languageEnglish
Article number013
Pages (from-to)673-679
Number of pages7
JournalJournal of Physics C: Solid State Physics
Volume15
Issue number4
DOIs
StatePublished - 1 Dec 1982
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Engineering (all)
  • Physics and Astronomy (all)

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