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Trapped Ion Quantum Computing
Superconducting Qubits
Maxwell's Demon Based on a Single Qubit
arXiv
Authors: J. P. Pekola, D. S. Golubev, D. V. Averin
Year
2015
Paper ID
27771
Status
Preprint
Abstract Read
~2 min
Abstract Words
101
Citations
N/A
Abstract
We propose and analyze Maxwell's demon based on a single qubit with avoided level crossing. Its operation cycle consists of adiabatic drive to the point of minimum energy separation, measurement of the qubit state, and conditional feedback. We show that the heat extracted from the bath at temperature T can ideally approach the Landauer limit of kBTln 2 per cycle even in the quantum regime. Practical demon efficiency is limited by the interplay of Landau-Zener transitions and coupling to the bath. We suggest that an experimental demonstration of the demon is fully feasible using one of the standard superconducting qubits.
Why This Paper Matters
- This paper contributes to the Superconducting Qubits research area in the Quantum Articles archive.
- It adds a 2015 reference point for readers tracking recent quantum research.
- We propose and analyze Maxwell's demon based on a single qubit with avoided level crossing.
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