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Quenched noise in surface growth

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  • Costanza, G.

Abstract

The analytical continuous equations for the Tang and Leschhorn (Phys. Rev. A 45 (1992) R8309) and the Buldyrev et al. (Phys. Rev. A 45 (1992) R8313) models are derived from the microscopic rules using a regularization procedure. As was shown in a previous paper (Phys. Rev. E 62 (2000) 6970) the continuous equation for the Tang and Leschhorn model is formally different to the Kardar–Parisi–Zhang equation (Phys. Rev. Lett. 56 (1986) 889) with quenched noise (QKPZ). Nevertheless, after expanding the multiplicative noise, it is shown that we recover the usual QKPZ, demonstrating analytically that both equations belong to the same universality class.

Suggested Citation

  • Costanza, G., 2003. "Quenched noise in surface growth," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 330(3), pages 421-441.
    • Handle: RePEc:eee:phsmap:v:330:y:2003:i:3:p:421-441
    DOI: 10.1016/S0378-4371(03)00602-2
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