Avalanches in the raise and peel model in the presence of a wall

Edwin Antillon, Birgit Wehefritz-Kaufmann, Sabre Kais

Research output: Contribution to journalArticle

Abstract

We investigate a non-equilibrium one-dimensional model known as the raise and peel model describing a growing surface which grows locally and has non-local desorption. For specific values of adsorption (ua) and desorption (ud) rates, the model shows interesting features. At ua = ud, the model is described by a conformal field theory (with conformal charge c = 0) and its stationary probability can be mapped onto the ground state of the XXZ quantum chain. Moreover, for the regime ua ud, the model shows a phase in which the avalanche distribution is scale-invariant. In this work, we study the surface dynamics by looking at avalanche distributions using a finite-sized scaling formalism and explore the effect of adding a wall to the model. The model shows the same universality for the cases with and without a wall for an odd number of tiles removed, but we find a new exponent in the presence of a wall for an even number of tiles released in an avalanche. New insights into the effect of parity on avalanche distributions are discussed and we provide a new conjecture for the probability distribution of avalanches with a wall obtained by using an exact diagonalization of small lattices and Monte Carlo simulations.

Original languageEnglish
Article number265001
JournalJournal of Physics A: Mathematical and Theoretical
Volume46
Issue number26
DOIs
Publication statusPublished - 5 Jul 2013

Fingerprint

Avalanche
avalanches
Desorption
desorption
Tile
tiles
Model
Even number
Odd number
Scale Invariant
Diagonalization
Conformal Field Theory
One-dimensional Model
Adsorption
Parity
Universality
Non-equilibrium
Ground State
Probability Distribution
Probability distributions

ASJC Scopus subject areas

  • Mathematical Physics
  • Physics and Astronomy(all)
  • Statistical and Nonlinear Physics
  • Modelling and Simulation
  • Statistics and Probability

Cite this

Avalanches in the raise and peel model in the presence of a wall. / Antillon, Edwin; Wehefritz-Kaufmann, Birgit; Kais, Sabre.

In: Journal of Physics A: Mathematical and Theoretical, Vol. 46, No. 26, 265001, 05.07.2013.

Research output: Contribution to journalArticle

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