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ORBi

Extracting chemical energy by growing disorder: efficiency at maximum power Esposito, Massimiliano ; ; in Journal of Statistical Mechanics: Theory and Experiment (2010) Detailed reference viewed: 64 (2 UL)On the relation between event-based and time-based current statistics Esposito, Massimiliano ; ; in Epl (2010), 89(1), Current statistics can be calculated in various ways. Event-based approaches use the statistics of the number of events occurring during a given time. Time-based approaches use the statistics of the time ... [more ▼] Current statistics can be calculated in various ways. Event-based approaches use the statistics of the number of events occurring during a given time. Time-based approaches use the statistics of the time needed to reach a given number of events. By analyzing normal as well as anomalous statistics of nonequilibrium currents through a two level system in contact with two different reservoirs, we investigate the conditions under which these different statistics do or do not yield identical predictions. We rely on the continuous time random walk formulation introduced in our earlier work (Phys. Rev. E, 77 (2008) 051119). [less ▲] Detailed reference viewed: 89 (0 UL)Finite-time thermodynamics for a single-level quantum dot Esposito, Massimiliano ; ; et al in Epl (2010), 89(2), We investigate the finite-time thermodynamics of a single-level fermion system interacting with a particle reservoir. The optimal protocol to extract the maximum work from the system when moving the ... [more ▼] We investigate the finite-time thermodynamics of a single-level fermion system interacting with a particle reservoir. The optimal protocol to extract the maximum work from the system when moving the single energy level between an initial higher value and a final lower value in a finite time is calculated from a quantum master equation. The calculation also yields the optimal protocol to raise the energy level with the expenditure of the least amount of work on the system. The optimal protocol displays discontinuous jumps at the initial and final times. [less ▲] Detailed reference viewed: 80 (2 UL)Thermoelectric efficiency at maximum power in a quantum dot Esposito, Massimiliano ; ; in Epl (2009), 85(6), Detailed reference viewed: 80 (1 UL) |
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