Quantum Behavior of an Autonomous Maxwell Demon

Adrian Chapman, Akimasa Miyake

S. Jézouin, Nathanaël Cottet, Landry Bretheau +5 more

Yashovardhan Jha, Dragi Karevski, Cyril Elouard

We revisit the Jaynes-Cummings model as an autonomous thermodynamic machine, where a qubit is driven by a cavity containing initially a large coherent field. Our analysis reveals a transition between the expected behavior of ideal-work source of the cavity at short times, and a long-time dynamics where the cavity autonomously measures the qubit and exerts a result-dependent drive. This autonomous feedback then purifies the qubit irrespective of its initial state. We show that the cavity functions thermodynamically as an autonomous Maxwell demon, trading mutual information for cooling power.

Josey Stevens, Sebastian Deffner

Gabriela Fernandes Martins

Maxwell's demon.2. Superconducting devices.3. Open quantum systems.I

Baldo-Luis Najera-Santos, Patrice A. Camati, Valentin Métillon +4 more

This work exploits a cavity QED system to investigate the connection between energy, information and the thermodynamic arrow of time in the quantum realm. The paper proposes an autonomous scheme of the Maxwell's demon with a single Rydberg atom and a microwave resonator and studies the change of the mutual information between the demon and the qubit-cavity system