Journal
PHYSICAL REVIEW E
Volume 92, Issue 2, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.92.022146
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Funding
- NSF [NSF DMR 1312160, PHY11-25914]
- CNR [NSF DMR 1312160]
- Academy of Finland FiDiPro program [13282993]
- European Research Council [291002 SIZEFFECTS]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1312160] Funding Source: National Science Foundation
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We study the crossover scaling behavior of the height-height correlation function in interface depinning in random media. We analyze experimental data from a fracture experiment and simulate an elastic line model with nonlinear couplings and disorder. Both exhibit a crossover between two different universality classes. For the experiment, we fit a functional form to the universal crossover scaling function. For the model, we vary the system size and the strength of the nonlinear term and describe the crossover between the two universality classes with a multiparameter scaling function. Our method provides a general strategy to extract scaling properties in depinning systems exhibiting crossover phenomena.
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