Thermodynamics of a minimal algorithmic cooling refrigerator

Abstract

We investigate, theoretically and experimentally, the thermodynamic performance of a minimal three-qubit heat-bath algorithmic cooling refrigerator. We analytically compute the coefficient of performance, the cooling power and the polarization of the target qubit for an arbitrary number of cycles, taking realistic experimental imperfections into account. We determine their fundamental upper bounds in the ideal reversible limit and show that these values may be experimentally approached using a system of three qubits in a nitrogen-vacancy center in diamond.

arXiv comment6 pages, 4 figures. With supplemental material of 6 pages, 4 figures. Content of published version

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Cited by in corpus (8)

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• Thermodynamic Analysis of Algorithmic Cooling Protocols: Efficiency Metrics and Improved Designs
• Thermodynamic optimization of quantum algorithms: On-the-go erasure of qubit registers
• State-independent robust heat-bath algorithmic cooling of nuclear spins
• The hidden negative differential thermal conductance
• Unlocking inaccessible performance of the quantum refrigerator with catalysts
• Time-cost-error trade-off relation in thermodynamics: The third law and beyond