n a recent Letter Albano and Saracco study the dynamic critical behavior of some anisotropic driven lattice gases by Monte Carlo (MC) simulations. In this Comment we point out that the Ans\"atze they use to relate the measured scaling exponents with the critical exponents analytically computed within different field-theoretical approaches do not take properly into account the strongly anisotropic nature of the phase transition, by implicitly assuming z=z⊥=z∥. As a consequence, at variance with the claims by the authors, their MC data are not conclusive to determine which one of the field theories proposed in the literature correctly describes the universal properties of the phase transition in these lattice gases.

Comment on “Dynamic Behavior of Anisotropic Nonequilibrium Driving Lattice Gases” / Caracciolo, S; Gambassi, A; Gubinelli, M; Pelissetto, Andrea. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 92:2(2004), pp. 029601.1-029601.1. [10.1103/PhysRevLett.92.029601]

Comment on “Dynamic Behavior of Anisotropic Nonequilibrium Driving Lattice Gases”

Caracciolo, S;Gambassi, A;Pelissetto, Andrea
2004-01-01

Abstract

n a recent Letter Albano and Saracco study the dynamic critical behavior of some anisotropic driven lattice gases by Monte Carlo (MC) simulations. In this Comment we point out that the Ans\"atze they use to relate the measured scaling exponents with the critical exponents analytically computed within different field-theoretical approaches do not take properly into account the strongly anisotropic nature of the phase transition, by implicitly assuming z=z⊥=z∥. As a consequence, at variance with the claims by the authors, their MC data are not conclusive to determine which one of the field theories proposed in the literature correctly describes the universal properties of the phase transition in these lattice gases.
2004
92
2
1
1
029601
http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.92.029601
https://arxiv.org/abs/cond-mat/0305213
Caracciolo, S; Gambassi, A; Gubinelli, M; Pelissetto, Andrea
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11767/17429
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