Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
2005-11-17
J.Stat.Mech.0701:P01003,2007
Physics
Condensed Matter
Disordered Systems and Neural Networks
13 pages, 3 ps figures. Extensive new numerical simulations
Scientific paper
10.1088/1742-5468/2007/01/P01003
Numerical Simulations of the random phase sine-Gordon model suffer from strong finite size effects preventing the non-Gaussian $\log^2 r$ component of the spatial correlator from following the universal infinite volume prediction. We show that a finite size prediction based on perturbative Renormalisation Group (RG) arguments agrees well with new high precision simulations for small coupling and close to the critical temperature.
Lancaster David J.
Ruiz-Lorenzo Juan Jesus
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