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
43 papers · 2 filters
Quantum sensing of temperature close to absolute zero in a Bose-Einstein condensate
Ji-Bing Yuan, Bo Zhang, Ya-Ju Song +3
We propose a theoretical scheme for quantum sensing of temperature close to absolute zero in a quasi-one-dimensional Bose-Einstein condensate (BEC). In our scheme, a single-atom im…
Thermal-noise-resistant optomechanical entanglement via general dark-mode control
Jian Huang, Deng-Gao Lai, Jie-Qiao Liao
Quantum entanglement not only plays an important role in the study of the fundamentals of quantum theory, but also is considered as a crucial resource in quantum information scienc…
Validating quantum-supremacy experiments with exact and fast tensor network contraction
Yong Liu, Yaojian Chen, Chu Guo +11
The quantum supremacy experiment, such as Google Sycamore [Nature \textbf{574}, 505 (2019)], poses great challenge for classical verification due to the exponentially-increasing co…
Entanglement Dynamics of Two V-type Atoms with Dipole-Dipole Interaction in Dissipative Cavity
Jia Wang, Dan Long, Qilin Wang +3
In this work, we study a coupled system of two V-type atoms with dipole-dipole interaction in a dissipative single-mode cavity, which couples with an external environment. We obtai…
Enhanced sensing of optomechanically induced nonlinearity by linewidth suppression and optical bistability in cavity-waveguide systems
Chun-Wang Liu, Ye Liu, Lei Du +3
We study enhanced sensing of optomechanically induced nonlinearity (OMIN) in a cavity-waveguide coupled system. The Hamiltonian of the system is anti-PT symmetric with the two invo…
Fast Generation of High-Fidelity Mechanical Non-Gaussian States via Additional Amplifier and Photon Subtraction
Dong-Long Hu, Jia-Jin Zou, Feng-Xiao Sun +3
Non-Gaussian states (NGSs) with higher-order correlation properties have wide-range applications in quantum information processing. However, the generation of such states with high…
Complex decoherence-free interactions between giant atoms
Lei Du, Lingzhen Guo, Yong Li
Giant atoms provide a promising platform for engineering decoherence-free interactions which is a major task in modern quantum technologies. Here we study systematically how to imp…
Dynamical Control of Quantum Heat Engines Using Exceptional Points
J. -W. Zhang, J. -Q. Zhang, G. -Y. Ding +11
A quantum thermal machine is an open quantum system coupled to hot and cold thermal baths. Thus, its dynamics can be well understood using the concepts and tools from non-Hermitian…
Engineering Optomechanically Induced Transparency by coupling a qubit to a spinning resonator
Jessica Burns, Owen Root, Hui Jing +1
We theoretically study the spectral properties of a pump-probe driven hybrid spinning optomechanical ring resonator optically coupled with a two-level quantum emitter (QE or qubit)…
Deterministic generation of multi-photon bundles in a quantum Rabi model
Cheng Liu, Jin-Feng Huang, Lin Tian
Multi-photon bundle states are crucial for a broad range of applications such as quantum metrology, quantum lithography, quantum communication, and quantum biology. Here we propose…
Phase-controlled asymmetric optomechanical entanglement against optical backscattering
Jing-Xue Liu, Ya-Feng Jiao, Ying Li +3
Quantum entanglement plays a key role in both understanding the fundamental aspects of quantum physics and realizing various quantum devices for practical applications. Here we pro…
Superradiant Phase Transition in the Strong Coupling Regime
Jin-Feng Huang, Lin Tian
The Dicke model can exhibit quantum phase transition between the normal and the superradiant phases when the strength of the light-matter coupling exceeds the ultrastrong coupling…
Fermionic steering and its monogamy relations in Schwarzschild spacetime
Shu-Min Wu, Hao-Sheng Zeng
Using two different types of quantification for quantum steering, we study the influence of Hawking radiation on quantum steering for fermionic fields in Schwarzschild spacetime. T…
Probing cosmic string spacetime through parameter estimation
Ying Yang, Jiliang Jing, Zehua Tian
Quantum metrology studies the ultimate precision limit of physical quantities by using quantum strategy. In this paper we apply the quantum metrology technologies to the relativist…
Entanglement harvesting of accelerated detectors versus static ones in a thermal bath
Zhihong Liu, Jialin Zhang, Hongwei Yu
We make a detailed comparison between entanglement harvesting for uniformly accelerated detectors in vacuum and static ones in a thermal bath at the Unruh temperature and find that…
Nonreciprocal enhancement of remote entanglement between nonidentical mechanical oscillators
Ya-Feng Jiao, Jing-Xue Liu, Ying Li +3
Entanglement between distant massive mechanical oscillators is of particular interest in quantum-enabled devices due to its potential applications in distributed quantum informatio…
Anti-parity-time symmetry hidden in a damping linear resonator
Xun-Wei Xu, Jie-Qiao Liao, Hui Jing +1
Phase transition from the over-damping to under-damping states is a ubiquitous phenomenon in physical systems. However, what kind of symmetry is broken associated with this phase t…
Genuine multipartite entanglement subject to the Unruh and anti-Unruh effects
Shu-Min Wu, Hao-Sheng Zeng, Tonghua Liu
We study the acceleration effect on the genuine tripartite entanglement for one or two accelerated detector(s) coupled to the vacuum field. Surprisingly, we findthatthe increase an…
Quantum correlation between a qubit and a relativistic boson in an expanding spacetime
Shu-Min Wu, Hao-Sheng Zeng, Tonghua Liu
We use the quantumcorrelation of both logarithmic negativity andmutual information between a qubit and a relativistic boson to analyze the dynamics of Universe expansion. These dyn…
A giant atom with modulated transition frequency
Lei Du, Yan Zhang, Yong Li
Giant atoms are known for the frequency-dependent spontaneous emission and associated interference effects. In this paper, we study the spontaneous emission dynamics of a two-level…
Non-Markovian disentanglement dynamics in double-giant-atom waveguide-QED systems
Xian-Li Yin, Wen-Bin Luo, Jie-Qiao Liao
We study the disentanglement dynamics of two giant atoms coupled to a common one-dimensional waveguide. We focus on the non-Markovian retarded effect in the disentanglement of the…
Does relativistic motion always degrade quantum Fisher information?
Xiaobao Liu, Jiliang Jing, Zehua Tian +1
We investigate the ultimate estimation precision, characterized by the quantum Fisher information, of a two-level atom as a detector which is coupled to massless scalar field in th…
Reconstructing Non-Markovian Open Quantum Evolution From Multi-time Measurements
Chu Guo
For a quantum system undergoing non-Markovian open quantum dynamics, we demonstrate a tomography algorithm based on multi-time measurements of the system, which reconstructs a mini…
Genuine N-partite entanglement and distributed relationships in the background of dilation black holes
Shu-Min Wu, Yu-Tong Cai, Wen-Jing Peng +1
With the complexity of information tasks, the bipartite and tripartite entanglement can no longer meet our needs, and we need more entangled particles to process relativistic quant…