Reference : Fluctuation theorems for capacitively coupled electronic currents
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/10993/11945
Fluctuation theorems for capacitively coupled electronic currents
English
Cuetara, Gregory Bulnes [Université Libre de Bruxelles - ULB > Center for Nonlinear Phenomena and Complex Systems]
Esposito, Massimiliano mailto [Université Libre de Bruxelles - ULB > Center for Nonlinear Phenomena and Complex Systems]
Gaspard, Pierre [Université Libre de Bruxelles - ULB > Center for Nonlinear Phenomena and Complex Systems]
14-Oct-2011
Physical Review B
84
16
Yes (verified by ORBilu)
International
1098-0121
[en] The counting statistics of electron transport is studied theoretically in a system with two capacitively coupled
parallel transport channels. Each channel is composed of a quantum dot connected by tunneling to two reservoirs.
The nonequilibrium steady state of the system is controlled by two affinities or thermodynamic forces, each one
determined by the two reservoirs of each channel. The status of a single-current fluctuation theorem is investigated
starting from the fundamental two-current fluctuation theorem, which is a consequence of microreversibility.We
show that the single-current fluctuation theorem holds in the limit of a large Coulomb repulsion between the
two parallel quantum dots, as well as in the limit of a large current ratio between the parallel channels. In this
latter limit, the symmetry relation of the single-current fluctuation theorem is satisfied with respect to an effective
affinity that is much lower than the affinity determined by the reservoirs. This backaction effect is characterized
quantitatively.
http://hdl.handle.net/10993/11945
10.1103/PhysRevB.84.165114
<Go to ISI>://WOS:000297725700001
Times Cited: 10
Journal Article

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