Qing-Xia Mu

Enhanced entanglement in a cavity magnomechanical system via an auxiliary magnon mode and optical parametric amplification

Junfei Chen, Zhiting Xu, Qing-Xia Mu

Abstract We study photon–phonon entanglement in a cavity magnomechanical system assisted by an optical parametric amplifier (OPA) and an auxiliary magnon mode. In this hybrid system, the OPA modifies the cavity-field fluctuations through its gain and phase, while the auxiliary magnon mode …

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Assessing the potential for traffic carbon emission reductions through residential travel mode shifts: insights from massive vehicle trajectory data and scenario simulations

Shaoying Li, Shaoli Li, Shuyuan Xu, Hanwen Xu et autres

The choice of transportation mode by residents significantly affects road traffic carbon emissions. Recent studies have explored the carbon reduction effects of green travel behaviors, such as bicycle-sharing and metro travel. However, there remains a gap in research estimating the carbon reduction …

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Atomic ensemble-assisted ground-state cooling of a rotating mirror in a triple Laguerre–Gaussian cavity

Xiaoxuan Li, Junfei Chen, Qing-Xia Mu

Abstract We propose a novel cooling protocol within a triple-Laguerre–Gaussian cavity optomechanical system, which is designed to suppress the thermal vibrations of a rotating mirror to reach its quantum ground state. The system incorporates two auxiliary cavities and an atomic ensemble coupled …

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Decarbonizing Heavy-Duty Trucking Through Green Hydrogen Powertrain Transition: A Trajectory-Based Fuel Cycle Assessment

Xuezhu Cui, Feng Gao, Shaoying Li, Qing-Xia Mu

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Multi-participant quantum anonymous communication based on high-dimensional entangled states

Jiawei Liu, Qing-Xia Mu, Ronghua Che, Qingle Wang et autres

Abstract Anonymous quantum communication (AQC) enables the secure transmission of quantum or classical messages between a sender and a receiver while ensuring the anonymity of their identities. Existing AQC protocols primarily address one-to-one anonymous communication. When there are multiple senders, they must …

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Advancing multi-party quantum key agreement protocols: the power of a two-layer approach

Jiawei Liu, Qingle Wang, Qing-Xia Mu, Yuancheng Li et autres

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Two-Layer Multiparty Quantum Key Agreement Protocol with Collective Detection

Qing-Xia Mu, Jiawei Liu, Qingle Wang, Guodong Li et autres

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Photon-phonon quantum cloning in optomechanical system

Qing-Xia Mu, Ting Wang, Wen-Zhao Zhang

Abstract Quantum cloning is an essential operation in quantum information and quantum computing. Similar to the ‘copy’ operation in classical computing, the cloning of flying bits for further processing from the solid-state quantum bits in storage is an operation frequently used in …

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Verifiable anonymous quantum communication with authentication based on d-level single-particle states

Jiawei Liu, Qing-Xia Mu, Qingle Wang, Guodong Li et autres

Abstract Anonymous quantum communication (AQC) enables the secure transmission of classical and quantum messages while preserving the anonymity of the sender, receiver, or both. Qudits, quantum states with more advantages than qubits in terms of information transmission rate and eavesdropping detection, offer …

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Photon-phonon quantum cloning in optomechanical system

Qing-Xia Mu, Ting Wang, Jiong Cheng, Wen-Zhao Zhang

Quantum cloning is an essential operation in quantum information and quantum computing. Similar to the `copy' operation in classical computing, the cloning of flying bits for further processing from the solid-state quantum bits in storage is an operation frequently used in quantum …

SPP standing waves within plasmonic nanocavities

Da‐Jie Yang, Si‐Jing Ding, Liang Ma, Qing-Xia Mu et autres

Surface plasmons usually take two forms: surface plasmon polaritons (SPP) and localized surface plasmons (LSP). Recent experiments demonstrate an interesting plasmon mode within plasmonic gaps, showing distinct characters from the two usual forms. In this investigation, by introducing a fundamental concept of …

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Non-Markovian entanglement transfer to distant atoms in a coupled superconducting resonator*

Qing-Xia Mu, Peiying Lin

We investigate the non-Markovian effects on the entanglement transfer to the distant non-interacting atom qubits, which are embedded in a coupled superconducting resonator. The master equation governing the dynamics of the system is derived by the non-Markovian quantum state diffusion (NMQSD) method. …

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