540 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of Chinese Academy of SciencesCN551 papers
- Peking UniversityCN444 papers
- University of Science and Technology of ChinaCN430 papers
- Hunan UniversityCN427 papers
- Tsinghua UniversityCN420 papers
- Shanghai Jiao Tong UniversityCN409 papers
- China Center of Advanced Science and TechnologyCN404 papers
- Zhengzhou UniversityCN404 papers
- Lanzhou UniversityCN403 papers
- University of South ChinaCN401 papers
- Nanjing Normal UniversityCN400 papers
- Beihang UniversityCN399 papers
37 papers · 2 filters
Quantum entanglement maintained by virtual excitations in an ultrastrongly-coupled-oscillator system
Jian-Yong Zhou, Yue-Hui Zhou, Xian-Li Yin +2
We study the effect of quantum entanglement maintained by virtual excitations in an ultrastrongly-coupled harmonic-oscillator system. Here, the quantum entanglement is caused by th…
Quantum Fisher information and coherence of an atom in a dissipative cavity
Jianhe Yang, Danping Lin, Rongfang Liu +1
In this work, we investigate quantum Fisher information(QFI) and quantum coherence(QC) of an atom in dissipative cavity. In zero temperature reservior and with one excitation numbe…
Quantum thermalization and vanishing thermal entanglement in the open Jaynes-Cummings model
Li-Bao Fan, Yue-Hui Zhou, Fen Zou +3
The quantum thermalization of the Jaynes-Cummings (JC) model in both equilibrium and non-equilibrium open-system cases is sdudied, in which the two subsystems, a two-level system a…
Observation of nonlocality sharing via not-so-weak measurements
Tianfeng Feng, Changliang Ren, Yuling Tian +4
Nonlocality plays a fundamental role in quantum information science. Recently, it has been theoretically predicted and experimentally demonstrated that the nonlocality of an entang…
The reduction of entropy uncertainty for qutrit system under non-Markov noisy environment
Xiong Xu, Maofa Fang
In this paper, we explore the entropy uncertainty for qutrit system under non-Markov noisy environment and discuss the effects of the quantum memory system and the spontaneously ge…
Enantiomeric excess determination based on nonreciprocal transition induced spectral line elimination
Xun-Wei Xu, Chong Ye, Yong Li +1
The spontaneous emission spectrum of a multi-level atom or molecule with nonreciprocal transition is investigated. It is shown that the nonreciprocal transition can lead to the eli…
Synchronization and estimation of gravity-induced time difference for quantum clocks
Jieci Wang, Tonghua Liu, Jiliang Jing +1
It has recently been reported [\textit{PNAS} \textbf{114}, 2303 (2017)] that, under an operational definition of time, quantum clocks would get entangled through gravitational effe…
Generation of macroscopic entangled cat states in a molecular cavity-QED system
Jian Huang, Yu-Hong Liu, Jin-Feng Huang +1
Macroscopic entangled cat states not only are significant in the demonstration of the fundamentals of quantum physics, but also have wide applications in modern quantum technologie…
Quantum speed-up process of atom in dissipative cavity
Hong-Mei Zou, Jianhe Yang, Danping Lin +1
In this work, we obtain an analytical representation of the density operator of an atom in dissipative cavity when the reservoir is at zero temperature and the total number of exci…
Multiphoton blockade in the two-photon Jaynes-Cummings model
Fen Zou, Xiao-Ya Zhang, Xun-Wei Xu +2
We study multiphoton blockade and photon-induced tunneling effects in the two-photon Jaynes-Cummings model, where a single-mode cavity field and a two-level atom are coupled via a…
Hybrid Quantum-Classical Convolutional Neural Networks
Junhua Liu, Kwan Hui Lim, Kristin L. Wood +3
Deep learning has been shown to be able to recognize data patterns better than humans in specific circumstances or contexts. In parallel, quantum computing has demonstrated to be a…
Strong Photon Blockade Mediated by Optical Stark Shift in a Single-Atom-Cavity System
Jing Tang, Yuangang Deng, Chaohong Lee
We propose a theoretical scheme to achieve strong photon blockade via a single atom in cavity. By utilizing optical Stark shift, the dressed-state splitting between higher and lowe…
The influence of the Earth's curved spacetime on Gaussian quantum coherence
Tonghua Liu, Shumin Wu, Shuo Cao
Light wave-packets propagating from the Earth to satellites will be deformed by the curved background spacetime of the Earth, thus influencing the quantum state of light. We show t…
Quantum speed-up based on classical-field and moving-qubit
Jianhe Yang, Rongfang Liu, Hong-Mei Zou +2
In this work, we provide a model of a moving-qubit interacting with the multimode cavity, where the qubit is driven by the classical field. We obtain the analytic solution of the d…
Nonreciprocity via nonlinearity and synthetic magnetism
Xun-Wei Xu, Yong Li, Baijun Li +2
We propose how to realize nonreciprocity for a weak input optical field via nonlinearity and synthetic magnetism. We show that the photons transmitting from a linear cavity to a no…
Nonreciprocal transition between two nondegenerate energy levels
Xun-Wei Xu, Yan-Jun Zhao, Hui Wang +2
Stimulated emission and absorption are two fundamental processes of light-matter interaction, and the coefficients of the two processes should be equal in general. However, we will…
The nanosphere phonon laser
Ran Huang, Hui Jing
A phonon laser made from a levitated silica nanosphere held in a controllable optical trap offers a useful tool for studying phonon-photon interactions.
Entanglement dynamics for circularly accelerated two-level atoms coupled with electromagnetic vacuum fluctuations
Jiaozhen She, Jiawei Hu, Hongwei Yu
We investigate, in the framework of open quantum systems, the entanglement dynamics of two circularly accelerated two-level atoms with the same centripetal acceleration interacting…
Discord and entanglement in non-Markovian environments at finite temperature
Hong-Mei Zou, Mao-Fa Fang
The dynamics evolutions of discord and entanglement of two atoms in two independent Lorentzian reservoirs at zero or finite temperature have been investigated by using the time-con…
Modulating quantum Fisher information of qubit in dissipative cavity by coupling strength
Danping Lin, Yu Liu, Hong-Mei Zou
By using the non-Markovian master equation, we investigate the effect of the cavity and the environment on the quantum Fisher information (QFI) of an atom qubit system in a dissipa…
Generation of single entangled photon-phonon pairs via an atom-photon-phonon interaction
Xun-Wei Xu, Hai-Quan Shi, Jie-Qiao Liao +1
Quantum blockade and entanglement play important roles in quantum information and quantum communication as quantum blockade is an effective mechanism to generate single photons (ph…
Limited-control metrology approaching the Heisenberg limit without entanglement preparation
Benedikt Tratzmiller, Qiong Chen, Ilai Schwartz +2
Current metrological bounds typically assume full control over all particles that are involved in the protocol. Relaxing this assumption we study metrological performance when only…
Weak-force sensing with squeezed optomechanics
Wen Zhao, Sheng-Dian Zhang, Adam Miranowicz +1
We investigate quantum-squeezing-enhanced weak-force sensing via a nonlinear optomechanical resonator containing a movable mechanical mirror and an optical parametric amplifier (OP…
Optimal unidirectional amplification induced by optical gain in optomechanical systems
L. N. Song, Qiang Zheng, Xun-Wei Xu +2
We propose a three-mode optomechanical system to realize optical nonreciprocal transmission with unidirectional amplification, where the system consists of two coupled cavities and…