Distance between qubit states with initial system-environment correlation

DOI10.1007/s10773-012-1121-yzbMath1251.81004OpenAlexW2013359192MaRDI QIDQ445303

Sachiko Kitajima, Masashi Ban, Fumiaki Shibata

Publication date: 24 August 2012

Published in: International Journal of Theoretical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s10773-012-1121-y

zbMATH Keywords

relaxation processinitial correlationqubittrace distanceBures distance

Mathematics Subject Classification ID

Unified quantum theories (81V22) Quantum information, communication, networks (quantum-theoretic aspects) (81P45) Quantum state spaces, operational and probabilistic concepts (81P16)

Related Items (4)

Bayes cost of parameter estimation for a quantum system interacting with an environment ⋮ Decoherence of a two-qubit system interacting with initially correlated random telegraph noises ⋮ Quantum Fisher information of a qubit initially correlated with a non-Markovian environment ⋮ Relation between purity of an open qubit dynamics and its initial correlation with an environment

Cites Work

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• Qubit decoherence with an initial correlation
• Quantum dynamical semigroups and applications. Based on lectures given at the 20th symposium on theoretical chemistry, Emmetten, Switzerland, 1984
• Reduced Dynamics Need Not Be Completely Positive
• BEYOND STRONG SUBADDITIVITY? IMPROVED BOUNDS ON THE CONTRACTION OF GENERALIZED RELATIVE ENTROPY

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