国家自然科学基金(10775091)

作品数：8被引量：13H指数：2
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相关作者：梁九卿周飞杨毅彪费宏明康广青更多>>
相关机构：山西大学太原理工大学更多>>
相关期刊：《物理学报》《Chinese Physics B》《山西大学学报（自然科学版）》更多>>
相关主题：THROUGHQUEHANR矩阵光子晶体更多>>
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A pure spin-current injector of semiconductor quantum dots with Andreev reflection and Rashba spin-orbit coupling被引量：1
《Chinese Physics B》2011年第12期350-356,共7页叶成芝 聂一行 梁九卿 
supported by the National Natural Science Foundation of China (Grant Nos. 10775091,10774094,10974124,and 11047172);the Excellent Youth and Midlife Scientist Scientific Research Encouragement Foundation of Shandong Province,China(Grant No. BS2010DS006);the Doctor Research Startup Foundation of Linyi University,China (Grant No. BS201023)
We propose a four-terminal device consisting of two parallel quantum dots with Rashba spin-orbit interaction （RSOI）, coupled to two side superconductor leads and two common ferromagnetic leads, respectively. The two...
关键词：Rashba spin-orbit coupling Andreev reflection pure spin current without net charge current 
光子晶体双量子阱的共振隧穿被引量：10
《物理学报》2011年第7期424-429,共6页费宏明 周飞 杨毅彪 梁九卿 
国家自然科学基金(批准号:10775091;60927007)资助的课题~~
采用R矩阵法研究了二维光子晶体双量子阱的共振隧穿特性.研究发现:光子晶体双量子阱的共振频率可以通过调节双阱的耦合强度来控制;对称双量子阱中,共振峰发生双劈裂;不对称双量子阱,共振劈裂消失.但是,由改变左手介质和右手介质在双阱...
关键词：光子晶体 双量子阱 R矩阵 左手介质 
基于光腔中的两囚禁离子的一步操作实现量子相位门
《山西大学学报（自然科学版）》2010年第A01期27-29,共3页康广青 
国家自然科学基金（10775091）
文章提出了用置于光腔中的两个囚禁离子来实现量子相位门的一步操作方案，本方案既不需要辅助能级，也不需要兰姆-狄克限制，只涉及两囚禁离子的内态，仅一步操作即可实现两比特的量子相位门，所需的门操作时间很短，并且腔场的初态制...
关键词：囚禁离子 兰姆-狄克极限 量子相位门 
Electronic transport through a periodic array of quantum-dot rings
《Chinese Physics B》2010年第4期381-387,共7页薛海斌 张瀚尹 聂一行 李志坚 梁九卿 
Project supported by the National Natural Science Foundation of China (Grant Nos. 10774094 and 10775091);National Fundamental Fund of Personnel Training (Grant No. J0730317);Natural Science Foundation of Shanxi Province of China (GrantNo. 2009011001-1)
Using the tight-binding approximation and the transfer matrix method, this paper studies the electronic transport properties through a periodic array of quantum-dot （QD） rings threaded by a magnetic flux. It demonst...
关键词：quantum dots electronic transport antiresonance transmission resonance transmission 
Measurements of a periodically driving qubit using a quantum point contact
《Chinese Physics B》2010年第3期51-54,共4页王海霞 殷雯 王芳卫 
Project supported by the National Natural Science Foundation of China (Grant No. 10775091)
Using the method developed by Gurvitz [1996 Phys. Rev. B 53 15932], we obtained the Bloch-type rate equations describing the entire system of a periodically driving qubit monitored by a quantum point contact detector....
关键词：periodically driving qubit MEASUREMENT detector current driving frequency 
Transmission spectra through a photonic double quantum well system
《Chinese Physics B》2009年第6期2377-2382,共6页费宏明 姜缘开 梁九卿 林多樑 
Project supported by the National Natural Science Foundation of China (Grant No 10775091)
By means of the modal expansion method with an R-matrix propagation algorithm, effects of the coupling between resonance photonic states on the resonance tunneling through a double quantum well structure are investiga...
关键词：double quantum well R-MATRIX left-hand media 
Electron resonance-transmission through a driven quantum well with spin-orbit coupling被引量：1
《Chinese Physics B》2008年第7期2662-2669,共8页张存喜 王瑞 聂一行 梁九卿 
supported by the National Natural Science Foundation of China (Grant Nos 10475053,10775091 and 10774094);the Shanxi Natural Science Foundation of China (Grant No 20051002)
We have studied the spin-dependent electron transmission through a quantum well driven by both dipole-type and homogeneous oscillating fields. The numerical evaluations show that Dresselhaus spin-orbit coupling induce...
关键词：Fano resonance Floquet channel spin-orbit coupling 
Field-assisted electron transport through a symmetric double-well structure with spin-orbit coupling and the Fano-resonance induced spin filtering被引量：2
《Chinese Physics B》2008年第7期2670-2677,共8页张存喜 聂一行 梁九卿 
supported by the National Natural Science Foundation of China (Grant Nos 10475053,10775091 and 10774094);the Shanxi Natural Science Foundation,China (Grant No 20051002)
We have investigated theoretically the field-driven electron-transport through a double-quantum-well semiconductor-heterostructure with spin-orbit coupling. The numerical results demonstrate that the transmission spec...
关键词：Fano effect Floquet channel spin-orbit coupling 
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