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Título: | Pseudo-two-dimensional random dimer lattices |
Autor: | Naether, Uta; Mejía-Cortés, Cristian; Vicencio, Rodrigo A. | Fecha de publicación: | ene-2015 | Editor: | Elsevier | Citación: | Physics Letters A 379(12-13): 988-991 (2015) | Resumen: | We study the long-time wave transport in correlated and uncorrelated disordered 2D arrays. When a separation of dimensions is applied to the model, we find that the previously predicted 1D random dimer phenomenology also appears in so-called pseudo-2D arrays. Therefore, a threshold behavior is observed in terms of the effective size for eigenmodes, as well as in long-time dynamics. A minimum system size is required to observe this threshold, which is very important when considering a possible experimental realization. For the long-time evolution, we find that for correlated lattices a super-diffusive long-range transport is observed. For completely uncorrelated disorder 2D transport becomes sub-diffusive within the localization length and for random binary pseudo-2D arrays localization is observed. | Descripción: | arXiv:1409.7592v1 (Random dimer model in pseudo two-dimensional lattices). | Versión del editor: | http://dx.doi.org/10.1016/j.physleta.2015.01.032 | URI: | http://hdl.handle.net/10261/121221 | DOI: | 10.1016/j.physleta.2015.01.032 | ISSN: | 0375-9601 |
Aparece en las colecciones: | (ICMA) Artículos |
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Random dimer.pdf | 835,09 kB | Adobe PDF | Visualizar/Abrir |
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