Key Issues Review: Useful autonomous quantum machines

Abstract

Controlled quantum machines have matured significantly. A natural next step is to increasingly grant them autonomy, freeing them from time-dependent external control. For example, autonomy could pare down the classical control wires that heat and decohere quantum circuits; and an autonomous quantum refrigerator recently reset a superconducting qubit to near its ground state, as is necessary before a computation. Which fundamental conditions are necessary for realizing useful autonomous quantum machines? Inspired by recent quantum thermodynamics and chemistry, we posit conditions analogous to DiVincenzo's criteria for quantum computing. Furthermore, we illustrate the criteria with multiple autonomous quantum machines (refrigerators, circuits, clocks, etc.) and multiple candidate platforms (neutral atoms, molecules, superconducting qubits, etc.). Our criteria are intended to foment and guide the development of useful autonomous quantum machines.

Close to published version. Corrected minor typos

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Cited by in corpus (12)

• Thermally driven quantum refrigerator autonomously resets superconducting qubit
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• Quantum thermal machine as a rectifier
• Making the Virtual Real: Measurement-Powered Tunneling Engines
• Enhancing the Performances of Autonomous Quantum Refrigerators via Two-Photon Transitions
• Heat operator approach to quantum stochastic thermodynamics in the strong-coupling regime
• The Jaynes Cummings model as an autonomous Maxwell demon
• Entropic costs of extracting classical ticks from a quantum clock
• Quantum Measurement Induced Radiative Processes in Continuously Monitored Optical Environments
• Extra cost of erasure due to quantum lifetime broadening
• Excitable quantum systems: the bosonic avalanche laser
• Work and heat exchanged during sudden quenches of strongly coupled quantum systems