国家自然科学基金(10975125)

作品数:9被引量:16H指数:3
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相关作者:杨阳王安民李学超范洪义马小三更多>>
相关机构:中国科学技术大学安徽理工大学安徽工业大学更多>>
相关期刊:《Chinese Physics B》《Science China(Physics,Mechanics & Astronomy)》《Science China Chemistry》《物理学报》更多>>
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Correlation dynamics of a qubit qutrit system in a spin-chain environment with Dzyaloshinsky Moriya interaction
《Chinese Physics B》2014年第2期99-105,共7页杨阳 王安民 
Project supported by the National Natural Science Foundation of China (Grant No.10975125)
We study the dynamics of correlations for a hybrid qubit-qutrit system in an XY spin-chain environment with Dzyaloshinsky-Moriya interaction. Our discussion involves a comparative analysis of negativity, quantum disco...
关键词:quantum correlation quantum discord measurement-induced disturbance Dzyaloshinsky- Moriya interaction 
与Ising链耦合的中心双量子比特系统的量子关联被引量:3
《物理学报》2013年第13期81-85,共5页杨阳 王安民 
国家自然科学基金(批准号:10975125)资助的课题~~
通过对双量子比特系统分别独自与Ising链耦合情形下的关联问题的研究,推导出了量子失协和量子关联几何度量的演化规律.在弱耦合相互作用情况下Ising链的临界点附近,量子关联存在突变.此外本文发现在某段时间内的演化过程中几何量子关联...
关键词:量子关联 量子失协 量子关联几何度量 
光场位相算符和逆算符的Weyl编序展开被引量:1
《物理学报》2013年第8期1-5,共5页李学超 杨阳 范洪义 
国家自然科学基金(批准号:10975125;11175113)资助的课题~~
用有序算符内的积分技术,推导了光场位相算符和逆算符的Weyl编序展开形式,并利用该结果获得了相算符的经典对应以及某些新的特殊函数的生成函数和新的积分公式,尤其是导出了带负次幂的复高斯积分的积分公式.
关键词:Weyl编序 位相算符 有序算符内的积分 
Quantum discord of thermal states of a spin chain with Calogero-Moser type interaction被引量:2
《Science China Chemistry》2013年第3期600-605,共6页MA XiaoSan QIAO Ying ZHAO GuangXing WANG AnMin 
supported by the National Natural Science Foundation of China (Grant Nos. 11105001,10975125 and 11004001)
In this paper,we have investigated the effect of Calogero-Moser type interaction on the quantum discord of thermal states of a spin chain.Our results imply that the quantum discord depends on the relative distance bet...
关键词:quantum discord entanglement of formation Calogero-Moser interactions 
The squeezing entangled state of two particles with unequal mass被引量:1
《Chinese Physics B》2013年第3期143-145,共3页杨阳 范洪义 
Project supported by the National Natural Science Foundation of China (Grant No. 10975125)
For two unequal-mass particles,we construct the entangled state representation and then derive the corresponding squeezing operator.This squeezing operator has a natural realization in the entangled state representati...
关键词:squeezing operator integration within an ordered product(IWOP) technique entangled state representation 
Second-harmonic generation in asymmetric quantum dots in the presence of a static magnetic field被引量:1
《Chinese Physics B》2012年第8期449-452,共4页李学超 王安民 王兆亮 杨阳 
Project supported by the National Natural Science Foundation of China (Grant No. 10975125)
The second-harmonic generation (SHG) coefficient in an asymmetric quantum dot (QD) with a static magnetic field is theoretically investigated. Within the framework of the effective-mass approximation, we obtain th...
关键词:quantum dot nonlinear optical rectification magnetic field 
Effect of decoherence from a spin environment on the entanglement dynamics of two-qutrit states被引量:4
《Science China(Physics,Mechanics & Astronomy)》2011年第10期1833-1838,共6页MA XiaoSan REN MingFan ZHAO GuangXing WANG AnMin 
supported by the National Natural Science Foundation of China (Grant Nos. 10947115, 10975125 and 11004001)
The entanglement dynamics of a two-qutrit system under decoherence from a spin environment is investigated by using negativityas entanglement measure. Our results imply that the entanglement evolution depends not only...
关键词:entanglement dynamics quantum decoherence a spin environment 
具有Dzialoshinski-Moriya相互作用的XXZ自旋链所形成热态的贝尔不等式违背
《中国科学:物理学、力学、天文学》2010年第11期1387-1392,共6页马小三 王安民 
国家自然科学基金(批准号:10947115和10975125);安徽省高校优秀人才基金(编号:2010SQRL037ZD)资助项目
研究了Dzialoshinski-Moriya(DM)相互作用对由XXZ自旋链所形成热态的贝尔不等式违背的影响.结果表明DM相互作用和具有较大正值的各向异性参数可以增强贝尔不等式的违背并能够提高贝尔不等式违背的临界温度.通过贝尔不等式违背和热纠缠...
关键词:贝尔不等式违背 临界温度 DM相互作用 
Bell violation for the thermal states of an XXZ spin chain with Dzialoshiski-Moriya interaction被引量:5
《Science China(Physics,Mechanics & Astronomy)》2010年第11期2074-2079,共6页MA XiaoSan 1 & WANG AnMin 2 1 School of Electric Engineering and Information,Anhui University of Technology,Maanshan 243002,China 2 Department of Modern Physics,University of Science and Technology of China,Hefei 230026,China 
supported by the National Natural Science Foundation of China (Grant Nos.10947115 and 10975125);partially supported by the Fund for Young Talented Teachers of Anhui Province (Grant No.2010SQRL037ZD)
The effect of Dzialoshiski-Moriya (DM) interaction on the violation of Bell inequality for thermal states of interacting qubits via a two-qubit XXZ spin chain is investigated.Our results imply that the DM interaction ...
关键词:BELL VIOLATION threshold temperatures DM INTERACTION 
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