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Título: | Random-walk topological transition revealed via electron counting |
Autor: | Engelhardt, G.; Benito, Mónica CSIC; Platero, Gloria CSIC ORCID; Schaller, G.; Brandes, T. | Fecha de publicación: | 15-dic-2017 | Editor: | American Physical Society | Citación: | Physical Review - Section B - Condensed Matter 96(24): 241404(R) (2017) | Resumen: | The appearance of topological effects in systems exhibiting a nontrivial topological band structure strongly relies on the coherent wave nature of the equations of motion. Here, we reveal topological dynamics in a classical stochastic random walk version of the Su-Schrieffer-Heeger model with no relation to coherent wave dynamics. We explain that the commonly used topological invariant in the momentum space translates into an invariant in a counting-field space. This invariant gives rise to clear signatures of the topological phase in an associated escape time distribution. | Versión del editor: | https://doi.org/10.1103/PhysRevB.96.241404 | URI: | http://hdl.handle.net/10261/189212 | DOI: | 10.1103/PhysRevB.96.241404 | Identificadores: | doi: 10.1103/PhysRevB.96.241404 e-issn: 2469-9969 issn: 2469-9950 |
Aparece en las colecciones: | (ICMM) Artículos |
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