Topological effects and conformal invariance in long-range correlated random surfaces
Résumé
We consider discrete random fractal surfaces with negative Hurst exponent $H<0$. A random colouring of the lattice is provided by activating the sites at which the surface height is greater than a given level $h$. The set of activated sites is usually denoted as the excursion set. The connected components of this set, the level clusters, define a one-parameter ($H$) family of percolation models with long-range correlation in the site occupation. The level clusters percolate at a finite value $h=h_c$ and for $H\leq-\frac{3}{4}$ the phase transition is expected to remain in the same universality class of the pure (i.e. uncorrelated) percolation. For $-\frac{3}{4}
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https://hal.science/hal-02863162
Soumis le : mardi 9 juin 2020-23:03:51
Dernière modification le : lundi 29 janvier 2024-17:54:13
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Identifiants
- HAL Id : hal-02863162 , version 1
- ARXIV : 2005.11830
- DOI : 10.21468/SciPostPhys.9.4.050
- INSPIRE : 1797751
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Nina Javerzat, Sebastian Grijalva, Alberto Rosso, Raoul Santachiara. Topological effects and conformal invariance in long-range correlated random surfaces. SciPost Physics, 2020, 9 (4), pp.050. ⟨10.21468/SciPostPhys.9.4.050⟩. ⟨hal-02863162⟩
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