Nonlinear effects for three-terminal heat engine and refrigerator

Abstract

The three-terminal heat device consisting of a cavity and coupled to a heat bath is established. By tuning the temperatures of the electrodes and the phonon bath, the device can function as a heat engine or a refrigerator. We study the characteristic performance in the linear and nonlinear regime for both setups. It is our focus here to analyze how the efficiency of the heat engine and coefficient of performance of the refrigerator are affected by the nonlinear transport. With such considerations, the maximum efficiency and power are then optimized for various energy levels, temperatures and other parameters.

14 pages, 6 figures, submitted to Scientific Reports

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• Brownian thermal transistors and refrigerators in mesoscopic systems
• Unconventional four-terminal thermoelectric transport due to inelastic transport: cooling by transverse current, transverse thermoelectric effect and Maxwell demon
• Inelastic thermoelectric transport and fluctuations in mesoscopic system
• Nonlinear chiral refrigerators
• Coulomb thermoelectric drag in four-terminal mesoscopic quantum transport
• Multi-level quantum Diesel engine of non-interacting fermions in a one-dimensional box
• Superconductor-quantum dot hybrid coolers
• Three terminal vibron coupled hybrid quantum dot thermoelectric refrigeration
• Quantum Brayton Engine of Non-Interacting Fermions in a One-Dimensional Box
• Phase-controlled heat modulation with Aharonov-Bohm interferometers
• Efficiency and power of minimally nonlinear irreversible heat engines with broken time-reversal symmetry