Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
1997-09-08
Physics
Condensed Matter
Disordered Systems and Neural Networks
4 pages, REVTEX, 4 figures included. Further information can be obtained from chenz@physics.rutgers.edu
Scientific paper
10.1103/PhysRevLett.80.109
Statistical topography of two-dimensional interfaces in the presence of quenched disorder is studied utilizing combinatorial optimization algorithms. Finite-size scaling is used to measure geometrical exponents associated with contour loops and fully packed loops. We find that contour-loop exponents depend on the type of disorder (periodic ``vs'' non-periodic) and they satisfy scaling relations characteristic of self-affine rough surfaces. Fully packed loops on the other hand are unaffected by disorder with geometrical exponents that take on their pure values.
Kondev Jané
McNamara Daniel
Middleton Alan A.
Zeng Chen
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