Global versus local optimality in feedback-controlled qubit purification: new insights from minimizing Rényi entropies

DOI10.1088/1367-2630/16/10/105010zbMath1451.81088arXiv1312.1015OpenAlexW2083952340MaRDI QIDQ3387048

Colin Teo, Joshua Combes, Howard M. Wiseman

Publication date: 12 January 2021

Published in: New Journal of Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1312.1015

Mathematics Subject Classification ID

Quantum coherence, entanglement, quantum correlations (81P40) Quantum information, communication, networks (quantum-theoretic aspects) (81P45) Computational stability and error-correcting codes for quantum computation and communication processing (81P73) Entanglement measures, concurrencies, separability criteria (81P42) Quantum state tomography, quantum state discrimination (81P18)

Cites Work

• Optimality of feedback control strategies for qubit purification
• Controlled Markov processes and viscosity solutions
• Quantum Measurement and Control
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