activity
20092026
most citedEfficiency at maximum power output of quantum heat engines under finite-time operation

67 citations · 174 across the 14 of their papers we have counts for

collaborators

14 papers

quant-ph2026★ 10 cited

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…

quant-ph2022★ 4 cited

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…

quant-ph2022★ 17 cited

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…

quant-ph2022★ 13 cited

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…

quant-ph2021★ 9 cited

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…

quant-ph2021★ 11 cited

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…

quant-ph2021★ 13 cited

Average skew information-based coherence and its typicality for random quantum states

Zhaoqi Wu, Lin Zhang, Shao-Ming Fei +1

We study the average skew information-based coherence for both random pure and mixed states. The explicit formulae of the average skew information-based coherence are derived and s…

quant-ph2020★ 1 cited

The -th decay rate of coherence for Bell-diagonal states under quantum channels

Huaijing Huang, Zhaoqi Wu, Shao-Ming Fei

We study the degree to which the coherence of quantum states is affected by noise. We give the definition of the -th decay rate and investigate the coherence of Bell-diagonal st…

quant-ph2020★ 14 cited

Uncertainty Relations Based on Modified Wigner-Yanase-Dyson Skew Information

Zhaoqi Wu, Lin Zhang, Jianhui Wang +2

Uncertainty relation is a core issue in quantum mechanics and quantum information theory. We introduce modified generalized Wigner-Yanase-Dyson (MGWYD) skew information and modifie…

quant-ph2020★ 14 cited

Coherence and complementarity based on modified generalized skew information

Zhaoqi Wu, Lin Zhang, Shao-Ming Fei +1

We introduce modified generalized Wigner-Yanase-Dyson (MGWYD) skew information and modified weighted generalized Wigner-Yanase-Dyson (MWGWYD) skew information. By revisiting state-…

quant-ph2019

Information transfer in generalized probabilistic theories based on weak repeatability

Zhaoqi Wu, Shao-Ming Fei, Xianqing Li-Jost +1

Information transfer in generalized probabilistic theories (GPT) is an important problem. We have dealt with the problem based on repeatability postulate, which generalizes Zurek's…

cond-mat.stat-mech2011★ 67 cited

Efficiency at maximum power output of quantum heat engines under finite-time operation

Jianhui Wang, Jizhou He, Zhaoqi Wu

We study the efficiency at maximum power, , of irreversible quantum Carnot engines (QCEs) that perform finite-time cycles between a hot and a cold reservoir at temperatures $T…

math-ph2010★ 1 cited

Remarks on the Sequential Products

Liu Weihua, Wu Zhaoqi, Wu Junde

In this paper, we show that those sequential products which were proposed by Liu and Shen and Wu in [J. Phys. A: Math. Theor. {\bf 42}, 185206 (2009), J. Phys. A: Math. Theor. {\bf…

quant-ph2009

Non-disturbance criteria of quantum measurements

Wu Zhaoqi, Zhang Shifang, Wu Junde

Using the general sequential product proposed by Shen and Wu in [J. Phys. A: Math. Theor. 42, 345203, 2009], we derive three criteria for describing non-disturbance between quantum…