Speeding-up a quantum refrigerator via counter-diabatic driving

Abstract

We study the application of a counter-diabatic driving (CD) technique to enhance the thermodynamic efficiency and power of a quantum Otto refrigerator based on a superconducting qubit coupled to two resonant circuits. Although the CD technique is originally designed to counteract non-adiabatic coherent excitations in isolated systems, we find that it also works effectively in the open system dynamics, improving the coherence-induced losses of efficiency and power. We compare the CD dynamics with its classical counterpart, and find a deviation that arises because the CD is designed to follow the energy eigenbasis of the original Hamiltonian, but the heat baths thermalize the system in a different basis. We also discuss possible experimental realizations of our model.

9 pages, 8 figures

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Cited by in corpus (6)

• Quantum thermodynamic devices: from theoretical proposals to experimental reality
• Colloquium: Quantum heat transport in condensed matter systems
• Bosons Outperform Fermions -- The Thermodynamic Advantage of Symmetry
• Shortcuts to Dynamic Polarization
• Quantum Heat Engines with Singular Interactions
• Counterdiabatic Formalism of Shortcuts to Adiabaticity