Quantum heat valve and entanglement in superconducting resonators
arXiv:2309.11467 · doi:10.1063/5.0160675
Abstract
Quantum superconducting circuit with flexible coupler has been a powerful platform for designing quantum thermal machines. In this letter, we employ the tunable coupling of two superconducting resonators to realize a heat valve by modulating magnetic flux using a superconducting quantum interference device (SQUID). It is shown that a heat valve can be realized in a wide parameter range. We find a consistent relation between the heat current and quantum entanglement, which indicates the dominant role of entanglement on the heat valve. It provides an insightful understanding of quantum features in quantum heat machines.
9 figures, 4 figures
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- Dicke superradiant enhancement of the heat current in circuit QED
- Quantum thermal diode with additional control by auxiliary atomic states
- Singular transport in non-equilibrium strongly internal-coupled 1D tilted field spin-1/2 chain
- Unlocking inaccessible performance of the quantum refrigerator with catalysts
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