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37 results on '"Xiao, Yong-Jun"'

1. Quantum Zeno Effect on Genuine Tripartite Nonlocality and Entanglement in Quantum Dissipative System

Author

Xiong, Zi-Yu, Xiao, Yong-Jun, Zhang, Ye-Qi, and He, Qi-Liang

Subjects
Quantum Physics
Abstract

As a precious global resource in quantum information, genuine tripartite nonlocality(GTN) can be quantified by violating Svetlichny inequality. However, there is still no analytical expression for the general three-qubit states due to the difficulty of theoretical calculations. In this paper, we achieve highly accurate quantization of GTN for arbitrary three-qubit quantum states numerically. As an example, we study the dynamics of GTN and genuine tripartite entanglement(GTE) for the W state. Moreover, the complementarity of GTN is verified by examining the nonlocality between the tripartite and the bipartite. Finally, we also find a useful strategy to protect the correlation of GTN and GTE under decoherence by utilizing the Zeno effect., Comment: 7 pages, 7 figures

Published
2024

6. Atomic and photonic entanglement concentration via photonic Faraday rotation

Author

Peng, Zhao-Hui, Zou, Jian, Liu, Xiao-Juan, Xiao, Yong-Jun, and Kuang, Le-Man

Subjects
Quantum Physics
Abstract

We propose two alternative entanglement concentration protocols (ECPs) using the Faraday rotation of photonic polarization. Through the single-photon input-output process in cavity QED, it is shown that the maximally entangled atomic (photonic) state can be extracted from two partially entangled states. The distinct feature of our protocols is that we can concentrate both atomic and photonic entangled states via photonic Faraday rotation, and thus they may be universal and useful for entanglement concentration in the experiment. Furthermore, as photonic Faraday rotation works in low-$Q$ cavities and only involves virtual excitation of atoms, our ECPs are insensitive to both cavity decay and atomic spontaneous emission., Comment: 5 pages, 3 figures

Published
2012
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16. Enhancement of multiatom non-classical correlations and quantum state transfer in atom-cavity-fiber system.

Author

He, Qi-Liang, Sun, Jian, Song, Xiao-Shu, and Xiao, Yong-Jun

Subjects
QUANTUM correlations, QUANTUM states, QUANTUM theory, OPTICAL resonators, ATOM trapping, OPTICAL fibers
Abstract

Taking the advantage of "parity kicks" pulses, we investigate the non-classical correlation dynamics and quantum state transfer in an atom–cavity–fiber system, which consists of two identical subsystems, each subsystem comprising of multiple two-level atoms trapped in two remote single-model optical cavities that are linked by an optical fiber. It is found that the non-classical correlations and the fidelity of quantum state transfer (between the atoms) can be greatly improved by the parity kicks pulses. In particular, with decrease of the time intervals between two consecutive pulses, perfect non-classical correlation transfer and entangled state transfer can be achieved. [ABSTRACT FROM AUTHOR]

Published
2021
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17. Quantitative Analyses of Element Mn in Iron Using Portable Laser-induced Breakdown Spectroscopy with Algorithm of Background Removal Based on Wavelet Transform

Author

ZENG Qing-dong, 曾庆栋, primary, ZHU Zhi-heng, 朱志恒, additional, DENG Fan, 邓凡, additional, ZHU Xiang-li, 朱祥李, additional, WANG Bo-yun, 王波云, additional, XIAO Yong-jun, 肖永军, additional, XIONG Liang-bin, 熊良斌, additional, YU Hua-qing, 余华清, additional, GUO Lian-bo, 郭连波, additional, and LI Xiang-you, 李祥友, additional

Published
2018
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18. Quantitative Analyses of Element Mn in Iron Using Portable Laser-induced Breakdown Spectroscopy with Algorithm of Background Removal Based on Wavelet Transform

Author

肖永军 Xiao Yong-jun, 朱祥李 Zhu Xiang-li, 余华清 Yu Hua-qing, 熊良斌 Xiong Liang-bin, 郭连波 Guo Lian-bo, 曾庆栋 Zeng Qing-dong, 李祥友 Li Xiangyou, 王波云 Wang Bo-yun, 朱志恒 Zhu Zhi-heng, and 邓凡 Deng Fan

Subjects
Optics, Materials science, business.industry, Wavelet transform, Laser-induced breakdown spectroscopy, business, Atomic and Molecular Physics, and Optics
Published
2018

19. Solution of Klein–Gordon Equation for Pseudo-Coulomb Potential Plus a New Ring-Shaped Potential

Author

Long Zheng-Wen and Xiao Yong-Jun

Subjects
Physics, Screened Poisson equation, symbols.namesake, Physics and Astronomy (miscellaneous), Quantum mechanics, Energy spectrum, Scalar (mathematics), symbols, Electric potential, Wave function, Klein–Gordon equation
Abstract

Under the condition of an equal mixing of vector and scalar potentials, exact solutions of hound states of the Klein–Gordon equation with pseudo-Coulomb potential plus a new ring-shaped potential are presented. Simultaneously, energy spectrum equations are also obtained. It is shown that the radial equation and angular wave functions are expressed by confluent hypergeogetric and hypergeogetric functions respectively.

Published
2010

35. Nucleophilic substitution reaction at an sp2 carbon of vinyl halides with an intramolecular thiol moiety: synthesis of thio-heterocycles

Author

Lei, Mao-Yi, Xiao, Yong-Jun, Liu, Wei-Min, Fukamizu, Koji, Chiba, Shunsuke, Ando, Kaori, and Narasaka, Koichi

Subjects
*SUBSTITUTION reactions, *NUCLEOPHILIC reactions, *ORGANIC reaction mechanisms, *PHYSICAL & theoretical chemistry research, *CHEMISTRY experiments, *HETEROCYCLIC compounds, *THIOPHENES
Abstract

Abstract: This article presents a full account of intramolecular vinylic substitution reactions of bromoalkenes having an acetylthio moiety, which give sulfur-containing heterocycles such as dihydrothiophene, tetrahydrothiopyran, and 2-alkylidenethietane derivatives. The reaction pathways of the substitution reactions were investigated by theoretical and experimental studies. [Copyright &y& Elsevier]

Published
2009
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37. ChemInform Abstract: Nucleophilic Substitution Reaction at an sp2Carbon of Vinyl Halides with an Intramolecular Thiol Moiety: Synthesis of Thio‐heterocycles.

Author

Lei, Mao‐Yi, Xiao, Yong‐Jun, Liu, Wei‐Min, Fukamizu, Koji, Chiba, Shunsuke, Ando, Kaori, and Narasaka, Koichi

Abstract

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.

Published
2009
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