title: Efficiency Statistics and Bounds for Systems with Broken Time-Reversal Symmetry.
abstract: Universal properties of the statistics of stochastic efficiency for mesoscopic time-reversal symmetry broken energy transducers are revealed in the Gaussian approximation. We also discuss how the second law of thermodynamics restricts the statistics of stochastic efficiency. The tight-coupling limit becomes unfavorable, characterized by an infinitely broad distribution of efficiency at all times, when time-reversal symmetry breaking leads to an asymmetric Onsager response matrix. The underlying physics is demonstrated through the quantum Hall effect and further elaborated in a triple-quantum-dot three-terminal thermoelectric engine.
authors.affiliation: Department of Physics, Soochow University, 1 Shizi Street, Suzhou 215006, China.|Department of Physics, University of Toronto, 60 Saint George Street, Toronto, Ontario M5S 1A7, Canada.
authors.forename: Jian-Hua
authors.initials: JH
authors.lastname: Jiang
authors.affiliation: Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, Ontario M5S 3H6, Canada.
authors.forename: Bijay Kumar
authors.initials: BK
authors.lastname: Agarwalla
authors.affiliation: Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, Ontario M5S 3H6, Canada.
authors.forename: Dvira
authors.initials: D
authors.lastname: Segal