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Título: | Full-counting statistics of time-dependent conductors |
Autor: | Benito, Mónica CSIC; Niklas, Michael; Kohler, Sigmund CSIC ORCID | Fecha de publicación: | 15-nov-2016 | Editor: | American Physical Society | Citación: | Physical Review - Section B - Condensed Matter 94(19): 195433 (2016) | Resumen: | We develop a scheme for the computation of the full-counting statistics of transport described by Markovian master equations with an arbitrary time dependence. It is based on a hierarchy of generalized density operators, where the trace of each operator yields one cumulant. This direct relation offers a better numerical efficiency than the equivalent number-resolved master equation. The proposed method is particularly useful for conductors with an elaborate time dependence stemming, e.g., from pulses or combinations of slow and fast parameter switching. As a test bench for the evaluation of the numerical stability, we consider time-independent problems for which the full-counting statistics can be computed by other means. As applications, we study cumulants of higher order for two time-dependent transport problems of recent interest, namely steady-state coherent transfer by adiabatic passage (CTAP) and Landau-Zener-Stückelberg-Majorana (LZSM) interference in an open double quantum dot. | Versión del editor: | https://doi.org/10.1103/PhysRevB.94.195433 | URI: | http://hdl.handle.net/10261/186850 | DOI: | 10.1103/PhysRevB.94.195433 | Identificadores: | doi: 10.1103/PhysRevB.94.195433 e-issn: 1550-235X issn: 1098-0121 |
Aparece en las colecciones: | (ICMM) Artículos |
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