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Quantum Information Processing

Quantum correlations of two qubits indefinitely interacting with dephasing environments

  • 01-07-2022
Published in:
Author
Masashi Ban
Published in
Quantum Information Processing | Issue 7/2022

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Abstract

The article delves into the intricate dynamics of quantum correlations between two qubits indefinitely interacting with dephasing environments. It highlights the impact of environmental indefiniteness on the degradation of quantumness, focusing on entanglement, Bell-CHSH non-locality, and quantum discord. The study reveals that entanglement can be frozen in average during irreversible time evolution, a unique property under specific initial conditions. Furthermore, the research examines the influence of environmental parameters on the time evolution of these correlations, demonstrating that the environmental indefiniteness can significantly suppress the decay of quantum correlations. This work offers valuable insights into the preservation of quantum information in open quantum systems, making it a compelling read for specialists in quantum physics and related fields.
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next article Toward multimode quantum Rabi model in a strong-coupling cavity optomechanical system
Title
Quantum correlations of two qubits indefinitely interacting with dephasing environments
Author
Masashi Ban
Publication date
01-07-2022
Publisher
Springer US
Published in
Quantum Information Processing / Issue 7/2022
Print ISSN: 1570-0755
Electronic ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-022-03578-7
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