Heat current in parametric quantum pump

Abstract

We investigate the heat flow in the parametric quantum pump. Using the time dependent scattering matrix theory, we have developed a general theory for the pumped heat current at finite pumping amplitude and frequency. We have applied our theory to a double barrier structure and studied pumped heat current in both the weak and strong pumping regimes as different system parameters vary. By comparing the pumped heat current and the power of Joule heat generated in the system, we found that the double barrier structure can function as an optimal pump in the strong pumping regime.

References in corpus (8)

• Dissipation and noise in adiabatic quantum pumps
• Optimal Quantum Pumps
• Rectification of displacement currents in an adiabatic electron pump
• Parametric pumping at finite frequency
• Effect of inelastic scattering on parametric pumping
• Pumped current and voltage for an adiabatic quantum pump
• Enhancement of parametric pumping due to Andreev reflection
• Quantization of adiabatic pumped charge in the presence of superconducting lead

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