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Driving suppresses decoherence: from a single two-level system to a composite system

  • Xin LiEmail author
  • YouYang Xu
  • ShunCai Zhao
  • XiangDong Yang
Regular Article
  • 17 Downloads

Abstract

We show how the driving suppresses the decoherence, triggers the non-Markovian dynamics, and further compresses the quantum speed limit time in the damping channel. For the open composite system consisting of a qubit and a single-mode cavity, we find that solely driving the qubit is most effective against the decoherence, but simultaneously driving the qubit and the cavity with high enough frequency will bring sufficient non-Markovianity, implying a better performance in reducing the quantum speed limit time.

Graphical abstract

Keywords

Quantum Information 

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Copyright information

© EDP Sciences, SIF, Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Faculty of Science, Kunming University of Science and TechnologyKunmingP.R. China

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