Wavefunction renormalization for the Coulomb gas by the Wegner-Houghton renormalization group method

I. Nándori, J. Polonyi, K. Sailer

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

The renormalization group (RG) flow for the sine-Gordon model is determined by means of the method of Wegner and Houghton in the next to leading order of the derivative expansion. For small values of the fugacity this agrees with the well-known RG flow of the two-dimensional Coulomb gas found in the dilute-gas approximation and a systematic way of obtaining higher-order corrections to this approximation is given.

Original languageEnglish
Pages (from-to)1615-1619
Number of pages5
JournalPhilosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties
Volume81
Issue number10
DOIs
Publication statusPublished - 2001

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renormalization group methods
Wave functions
Gases
approximation
gases
Derivatives
expansion

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Physics and Astronomy(all)

Cite this

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abstract = "The renormalization group (RG) flow for the sine-Gordon model is determined by means of the method of Wegner and Houghton in the next to leading order of the derivative expansion. For small values of the fugacity this agrees with the well-known RG flow of the two-dimensional Coulomb gas found in the dilute-gas approximation and a systematic way of obtaining higher-order corrections to this approximation is given.",
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AU - Polonyi, J.

AU - Sailer, K.

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N2 - The renormalization group (RG) flow for the sine-Gordon model is determined by means of the method of Wegner and Houghton in the next to leading order of the derivative expansion. For small values of the fugacity this agrees with the well-known RG flow of the two-dimensional Coulomb gas found in the dilute-gas approximation and a systematic way of obtaining higher-order corrections to this approximation is given.

AB - The renormalization group (RG) flow for the sine-Gordon model is determined by means of the method of Wegner and Houghton in the next to leading order of the derivative expansion. For small values of the fugacity this agrees with the well-known RG flow of the two-dimensional Coulomb gas found in the dilute-gas approximation and a systematic way of obtaining higher-order corrections to this approximation is given.

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