Possible Lifshitz point behaviour in NbO2

A. Aharony; D. Mukamel

doi:10.1088/0022-3719/13/11/003

Possible Lifshitz point behaviour in NbO₂

A. Aharony, D. Mukamel

Research output: Contribution to journal › Article › peer-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 language	English
Article number	003
Pages (from-to)	L255-L259
Journal	Journal of Physics C: Solid State Physics
Volume	13
Issue number	11
DOIs	https://doi.org/10.1088/0022-3719/13/11/003
State	Published - 1 Dec 1980
Externally published	Yes

ASJC Scopus subject areas

Condensed Matter Physics
General Engineering
General Physics and Astronomy

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title = "Possible Lifshitz point behaviour in NbO2",

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.",

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AB - 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.

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U2 - 10.1088/0022-3719/13/11/003

DO - 10.1088/0022-3719/13/11/003

M3 - Article

AN - SCOPUS:0001575567

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VL - 13

SP - L255-L259

JO - Journal of Physics C: Solid State Physics

JF - Journal of Physics C: Solid State Physics

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M1 - 003

ER -

Possible Lifshitz point behaviour in NbO₂

Abstract

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