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  1. No Access

    Article

    Quantum Speed Limit Time of a Two-Level Atom under Homodyne-Mediated Feedback and Classical Driving

    We study the QSLT of the two-level system coupling to a single mode cavity which is driven by a laser field under the feedback control, and focus on the effect of the Rabi frequency and two types of the feedba...

    Hai-Feng Yang, Yong-Gang Tan, Lei-Ming Cao… in International Journal of Theoretical Physi… (2021)

  2. No Access

    Article

    Discovery of oscillations above 200 keV in a black hole X-ray binary with Insight-HXMT

    Low-frequency quasiperiodic oscillations (LFQPOs) are commonly found in black hole X-ray binaries, and their origin is still under debate. The properties of LFQPOs at high energies (above 30 keV) are closely r...

    **ang Ma, Lian Tao, Shuang-Nan Zhang, Liang Zhang, Qing-Cui Bu… in Nature Astronomy (2021)

  3. No Access

    Article

    Quantum Fisher Information of a Two-Qubit System in Non-Markovian Environment

    Considering a two-qubit system interacting with a common bosonic reservoir, this paper investigates the quantum Fisher information dynamics in the Markovian and non-Markovian environments, and focuses on the e...

    Yao-Hua Hu, Yong-Gang Tan, Hai-Feng Yang… in International Journal of Theoretical Physi… (2020)