Possible Lifshitz point behaviour in NbO2

A. Aharony, D. Mukamel

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

The structural phase transition occurring in NbO2 is analysed using renormalisation group techniques. It is suggested that the observed crossover in the order parameter critical exponent beta from beta approximately=0.19 to beta approximately=0.39 may reflect a crossover from Lifshitz to ordinary critical behaviour. The phenomenon is associated with the strongly anisotropic dispersion relation found in this compound.

Original languageEnglish
Article number003
Pages (from-to)L255-L259
JournalJournal of Physics C: Solid State Physics
Volume13
Issue number11
DOIs
StatePublished - 1 Dec 1980
Externally publishedYes

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