Výsledky vyhledávání - "interfaces in random media (theory)"

Interfacial depinning transitions in disordered media: revisiting an old puzzle

Autor: Ezequiel V. Albano, Belén Moglia, Pablo Villegas, Miguel A. Muñoz

Publikováno v: SEDICI (UNLP)
Universidad Nacional de La Plata
instacron:UNLP

Interfaces advancing through random media represent a number of different problems in physics, biology and other disciplines. Here, we study the pinning/depinning transition of the prototypical non-equilibrium interfacial model, i.e. the Kardar–Par

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Size effects in dislocation depinning models for plastic yield

Autor: Zoe Budrikis, Stefano Zapperi

Publikováno v: Journal of statistical mechanics 2013 (2013). doi:10.1088/1742-5468/2013/04/P04029
info:cnr-pdr/source/autori:Budrikis Z.; Zapperi S./titolo:Size effects in dislocation depinning models for plastic yield/doi:10.1088%2F1742-5468%2F2013%2F04%2FP04029/rivista:Journal of statistical mechanics/anno:2013/pagina_da:/pagina_a:/intervallo_pagine:/volume:2013
Journal of Statistical Mechanics: Theory and Experiment

Typically, the plastic yield stress of a sample is determined from a stress-strain curve by defining a yield strain and reading off the stress required to attain it. However, it is not a priori clear that yield strengths of microscale samples measure

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http://arxiv.org/abs/1301.5794

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Uniqueness of the thermodynamic limit for driven disordered elastic interfaces

Autor: Sebastian Bustingorry, Alberto Rosso, Alejandro B. Kolton, Ezequiel E. Ferrero

Publikováno v: Journal of Statistical Mechanics
Journal of Statistical Mechanics, 2013, pp.P12004
Journal of Statistical Mechanics: Theory and Experiment
Journal of Statistical Mechanics: Theory and Experiment, IOP Publishing, 2013, 2013 (12), ⟨10.1088/1742-5468/2013/12/P12004⟩
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET

We study the finite size fluctuations at the depinning transition for a one-dimensional elastic interface of size $L$ displacing in a disordered medium of transverse size $M=k L^\zeta$ with periodic boundary conditions, where $\zeta$ is the depinning

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2674869b98a2f40c60d2f3a72a26ab90
https://hal.archives-ouvertes.fr/hal-00918499

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The KPZ equation with flat initial condition and the directed polymer with one free end

Autor: Pasquale Calabrese, Pierre Le Doussal

Publikováno v: Journal of Statistical Mechanics: Theory and Experiment

We study the directed polymer (DP) of length $t$ in a random potential in dimension 1+1 in the continuum limit, with one end fixed and one end free. This maps onto the Kardar-Parisi-Zhang growth equation in time $t$, with flat initial conditions. We

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Domain walls and chaos in the disordered SOS model

Autor: Grégory Schehr, Heiko Rieger, Andreas Karrenbauer, Karsten Schwarz

Publikováno v: Journal of Statistical Mechanics: Theory and Experiment
Journal of Statistical Mechanics: Theory and Experiment, IOP Publishing, 2009, pp.P08022

Domain walls, optimal droplets and disorder chaos at zero temperature are studied numerically for the solid-on-solid model on a random substrate. It is shown that the ensemble of random curves represented by the domain walls obeys Schramm's left pass

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https://hal.archives-ouvertes.fr/hal-00397516

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