| Reference : Effective fluctuation theorems for electron transport in a double quantum dot coupled... |
| Scientific journals : Article | |||
| Physical, chemical, mathematical & earth Sciences : Physics | |||
| http://hdl.handle.net/10993/11419 | |||
| Effective fluctuation theorems for electron transport in a double quantum dot coupled to a quantum point contact | |
| English | |
Bulnes Cuetara, Gregory  [Université Libre de Bruxelles - ULB > Center for Nonlinear Phenomena and Complex systems] | |
| Esposito, Massimiliano [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >] | |
| Schaller, Gernot [Technische Universität Berlin > Institut für theoretische Physik] | |
| Gaspard, Pierre [Université Libre de Bruxelles - ULB > Center for Nonlinear Phenomena and Complex Systems] | |
| 19-Sep-2013 | |
| Physical Review. B, Condensed Matter | |
| American Institute of Physics | |
| 88 | |
| 115134 | |
| Yes (verified by ORBilu) | |
| International | |
| 0163-1829 | |
| New York | |
| NY | |
| [en] A theoretical study is reported of electron transport at finite temperature in a double quantum dot (DQD)
capacitively coupled to a quantum point contact (QPC) for the measurement of the DQD charge state. Starting from a Hamiltonian model, a master equation is obtained for the stochastic process taking place in the DQD while the QPC is at or away from equilibrium, allowing us to study the measurement back-action of the QPC onto the DQD. The QPC is treated nonperturbatively in our analysis. Effective fluctuation theorems are established for the full counting statistics of the DQD current under different limiting conditions. These fluctuation theorems hold with respect to an effective affinity characterizing the nonequilibrium environment of the DQD and differing from the applied voltage if the QPC is out of equilibrium. The effective affinity may even change its sign if the Coulomb drag of the QPC reverses the DQD current. The thermodynamic implications of the effective fluctuation theorems are discussed. | |
| http://hdl.handle.net/10993/11419 | |
| 10.1103/PhysRevB.88.115134 |
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