Depinning of an anisotropic interface in random media: The tilt effect

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We study the tilt dependence of the pinning-depinning transition for an interface described by the anisotropic quenched Kardar-Parisi-Zhang equation in 2+1 dimensions, where the two signs of the nonlinear terms are different from each other. When the substrate is tilted by m along the positive sign direction, the critical force F(c)(m) depends on m as F(c)(m) - F(c)(0) similar to - \m\(1.9(1)). The interface velocity v near the critical force follows the scaring form v similar to \f\ (theta)Psi (+/-)(m(2) / \f\ (theta +phi)) with theta = 0.9(1) and phi = 0.2(1), where f = F - F(c)(0) and F is the driving force.
Publisher
AMER PHYSICAL SOC
Issue Date
2000-08
Language
English
Article Type
Article
Keywords

THRESHOLD CRITICAL-DYNAMICS; CHARGE-DENSITY WAVES; NONEQUILIBRIUM DYNAMICS; POROUS-MEDIA; MODEL; GROWTH; LINES

Citation

PHYSICAL REVIEW E, v.62, no.2, pp.2955 - 2958

ISSN
1539-3755
DOI
10.1103/PhysRevE.62.2955
URI
http://hdl.handle.net/10203/76145
Appears in Collection
PH-Journal Papers(저널논문)
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