792 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Chinese Academy of SciencesCN55 papers
- Nanjing UniversityCN28 papers
- University of Chinese Academy of SciencesCN27 papers
- Huazhong University of Science and TechnologyCN26 papers
- Peking UniversityCN23 papers
- Sun Yat-sen UniversityCN23 papers
- Tsinghua UniversityCN23 papers
- Shanghai Jiao Tong UniversityCN21 papers
- University of Science and Technology of ChinaCN20 papers
- Capital Normal UniversityCN19 papers
- Institute of High Energy PhysicsCN19 papers
- Baylor UniversityUS18 papers
37 papers · 1 filter
Negative refraction with low absorption using EIT in a four-level left-handed atomic system
Shun-Cai Zhao, Zheng-Dong Liu, Gen Li +1
We suggest a scheme for obtaining negative refraction with low absorption in a left-handed atomic system.Under the the appropriate conditions,the atomic system displays negative re…
Left handness in a four-level atomic system
Shuncai Zhao, Zhengdong Liu
A scheme is proposed for realizing simultaneous negative permittivity and negative permeability based on quantum coherence in a four-level dense atomic system here.Under some param…
Coherence dynamics in quantum algorithm for linear systems of equations
Linlin Ye, Zhaoqi Wu, Shao-Ming Fei
Quantum coherence is a fundamental issue in quantum mechanics and quantum information processing. We explore the coherence dynamics of the evolved states in HHL quantum algorithm f…
Tsallis relative entropy of coherence dynamics in Grover's search algorithm
Linlin Ye, Zhaoqi Wu, Shao-Ming Fei
Quantum coherence plays a central role in Grover's search algorithm. We study the Tsallis relative entropy of coherence dynamics of the evolved state in Grover's search algorit…
Coherence and entanglement dynamics in Shor's algorithm
Linlin Ye, Zhaoqi Wu, Shao-Ming Fei
Shor's algorithm outperforms its classical counterpart in efficient prime factorization. We explore the coherence and entanglement dynamics of the evolved states within Shor's algo…
Quantifying magic via quantum Jensen-Shannon divergence
Linmao Wang, Zhaoqi Wu
Magic states play an important role in fault-tolerant quantum computation, and so the quantification of magic for quantum states is of great significance. In this work, we propose…
Coherence and Imaginarity as Resources in Quantum Circuit Complexity
Linlin Ye, Zhaoqi Wu, Nanrun Zhou
Quantum circuit complexity quantifies the minimal number of gates needed to realize a unitary transformation and plays a central role in quantum computation. In this work, we inves…
Quantifying coherence of quantum channels based on the generalized --relative Rényi entropy
Jiaorui Fan, Zhaoqi Wu, Shao-Ming Fei
By using the Choi-Jamiołkowski isomorphism, we propose a well-defined coherence measure of quantum channels based on the generalized --relative Rényi entropy. In addition, we…
Two imaginarity monotones induced by unified -relative entropy
Chuanfa Wu, Zhaoqi Wu
Complex numbers play a pivotal role in both mathematics and physics, particularly in quantum mechanics, and are extensively utilized to depict the behavior of microscopic particles…
Uncertainty relations for unified (,)-relative entropy of coherence under mutually unbiased equiangular tight frames
Baolong Cheng, Zhaoqi Wu
Uncertainty relations based on quantum coherence is an important problem in quantum information science. We discuss uncertainty relations for averaged unified (,)-relative en…
Quantifying imaginarity of quantum operations
Chuanfa Wu, Zhaoqi Wu
Complex numbers are theoretically proved and experimentally confirmed as necessary in quantum mechanics and quantum information, and a resource theory of imaginarity of quantum sta…
Left-handedness without absorption in the four-level Y-type atomic medium
Shun-Cai Zhao, Zheng-Dong Liu, Qi-Xuan Wu
In this paper,three external fields interacting with the four-level Y-type atomic system described by the density-matrix approach is investigated .The results show that the left-ha…
Electromagnetic chirality-induced negative refraction with the same amplitude and anti-phase of the two chirality coefficients
Shun-Cai Zhao, Zheng-Dong Liu, Jun Zheng +1
We suggest a scheme of electromagnetic chirality-induced negative refraction utilizing magneto-electric cross coupling in a four-level atomic system. The negative refraction can be…
Manipulative Properties of the Asymmetry Double Quantum Dots via Laser and Gate Voltage
Shun-Cai Zhao, Zheng-Dong Liu
We present the density matrix approach for theoretical description of an asymmetric double quantum dot(QD)system.The results show that the properties of gain,absorption and dispers…
Negative refraction without absorption via both coherent and incoherent fields in a four-level left-handed atomic system
Shun-Cai Zhao, Zheng-Dong Liu, Qi-Xuan Wu
This paper attempts a probe into negative refraction without absorption by means of an incoherent pump field and a strong coherent field coupling the dense four-level atomic system…
Zero absorption and large negative refractive index in a left-handed four-level atomic media
Shuncai Zhao, Zhengdong Liu, Qixuan Wu
In this paper,we have investigated three external fields interacting with the four-level atomic system described by the density-matrix approach.The atomic system exhibits left-hand…
Quantum Otto engine with quantum correlations
Yang Xiao, Dehua Liu, Jizhou He +3
We theoretically prose and investigate a photo-Otto engine that is working with a single-mode radiation field inside an optical cavity and alternatively driven by a hot and a cold…
Tighter uncertainty relations based on modified weighted Wigner-Yanase-Dyson skew information of quantum channels
Cong Xu, Zhaoqi Wu, Shao-Ming Fei
We use a novel formation to illustrate the () modified weighted Wigner-Yanase-Dyson (() MWWYD) skew information of quantum channels. By using operator norm inequaliti…
Uncertainty of quantum channels via modified generalized variance and modified generalized Wigner-Yanase-Dyson skew information
Cong Xu, Zhaoqi Wu, Shao-Ming Fei
Uncertainty relation is a fundamental issue in quantum mechanics and quantum information theory. By using modified generalized variance (MGV), and modified generalized Wigner-Yanas…
Sum uncertainty relations based on weighted Wigner-Yanase-Dyson skew information
Cong Xu, Zhaoqi Wu, Shao-Ming Fei
We introduce () weighted Wigner-Yanase-Dyson (() WWYD) skew information and () modified weighted Wigner-Yanase-Dyson (() MWWYD) skew information. We exp…
Skew information-based coherence generating power of quantum channels
Zhaoqi Wu, Lin Zhang, Shao-Ming Fei +1
We study the ability of a quantum channel to generate quantum coherence when it applies to incoherent states. We define the measure of coherence generating power (CGP) for a generi…
Quantumness of pure-state ensembles via coherence of Gram matrix based on generalized --relative Rényi entropy
Wendao Yuan, Zhaoqi Wu, Shao-Ming Fei
The Gram matrix of a set of quantum pure states plays key roles in quantum information theory. It has been highlighted that the Gram matrix of a pure-state ensemble can be viewed a…
Uncertainty and complementarity relations based on generalized skew information
Huaijing Huang, Zhaoqi Wu, Shao-Ming Fei
Uncertainty relations and complementarity relations are core issues in quantum mechanics and quantum information theory. By use of the generalized Wigner-Yanase-Dyson (GWYD) skew i…
Geometry of skew information-based quantum coherence
Zhao-Qi Wu, Huai-Jing Huang1, Shao-Ming Fei +1
We study the skew information-based coherence of quantum states and derive explicit formulas for Werner states and isotropic states in a set of autotensor of mutually unbiased base…