Numerical simulations of the random phase sine-Gordon model and renormalization group predictions

Lancaster, D.J. and Ruiz-Lorenzo, J.J. 2007. Numerical simulations of the random phase sine-Gordon model and renormalization group predictions. Journal of Statistical Mechanics. P01003.

TitleNumerical simulations of the random phase sine-Gordon model and renormalization group predictions
AuthorsLancaster, D.J. and Ruiz-Lorenzo, J.J.
Abstract

Numerical simulations of the random phase sine-Gordon model suffer from strong finite size effects preventing the non-Gaussian log2 r component of the spatial correlator from following the universal infinite volume prediction. We show that a finite size prediction based on perturbative renormalization group (RG) arguments agrees well with new high precision simulations for small coupling and close to the critical temperature.

JournalJournal of Statistical Mechanics
Journal citationP01003
ISSN1742-5468
Year03 Jan 2007
FileLancaster_Ruiz-Lorenzo_2007_final.pdf
Digital Object Identifier (DOI)doi:10.1088/1742-5468/2007/01/P01003
Publication dates
Published03 Jan 2007

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