搜索结果: 1-15 共查到“理学 Double quantum well”相关记录21条 . 查询时间(0.109 秒)
Optimal tunneling enhances the quantum photovoltaic effect in double quantum dots
electronic transport in mesoscopic systems photoconduction and photovoltaic effect quantum dots quantum description of interaction of light and matter
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2014/9/24
We investigate the quantum photovoltaic effect in double quantum dots by applying the nonequilibrium quantum master equation. A drastic suppression of the photovoltaic current is observed near the ope...
Closed form solution for a double quantum well using Grobner basis
Heterostructures Double quantum well Eigenfunctions Grobner basis Optical dipole matrix element
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2011/7/27
Abstract: Analytical expressions for spectrum, eigenfunctions and dipole matrix elements of a square double quantum well (DQW) are presented for a general case when the potential in different regions ...
Closed form solution for a double quantum well using Gr鯾ner basis
Heterostructures, Double quantum well, Eigenfunctions, Gr╫bner basis,Optical dipole matrix element, Closed form solution
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2011/9/29
Analytical expressions for spectrum, eigenfunctions and dipole matrix elements of a square double quantum well (DQW) are presented for a general case when the potential in different regions of the DQW...
Molecule States in a Gate Tunable Graphene Double Quantum Dot
Molecule States Gate Tunable Graphene Double Quantum Dot
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2010/11/25
We have measured a graphene double quantum dot device with multiple electrostatic gates that
are used to enhance control to investigate it. At low temperatures the transport measurements
reveal hone...
Mesoscopic admittance of a double quantum dot
Mesoscopic admittance double quantum dot
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2010/11/17
We calculate the mesoscopic admittance G(!) of a double quantum dot, which can be measured
directly using microwave techniques. This quantity shows a rich behavior. In particular, it is directly sens...
Double quantum dot with tunable coupling in an enhancement-mode silicon metal-oxide semiconductor device with lateral geometry
Double quantum dot enhancement-mode silicon lateral geometry
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2010/11/17
We present transport measurements of a tunable silicon metal-oxide-semiconductor double quantum dot device with lateral geometry. Experimentally extracted gate-to-dot capacitances show that the device...
Detection of spin injection into a double quantum dot: Violation of magnetic-field-inversion symmetry of nuclear polarization instabilities
Detection of spin injection double quantum dot: Violation nuclear polarization instabilities
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2010/11/19
In mesoscopic systems with spin-orbit coupling, spin-injection into quantum dots at zero magnetic eld is expected under a wide range of conditions. However, up to now, a viable approach for experimen...
Cotunneling effects in GaAs vertical double quantum dot
Cotunneling effects GaAs vertical double quantum dot
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2010/11/24
Semiconductor quantum dots have been a subject of intensive investigation over last two
decades. One reason is the proposal [1] to use spin state of electron in a quantum dot as a
quantum bit of inf...
Two-spin dephasing by electron-phonon interaction in semiconductor double quantum dots
Two-spin dephasing electron-phonon interaction semiconductor double quantum dots
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2010/11/11
We study electron-phonon interaction induced decoherence between two-electron singlet and triplet states in a semiconductor double quantum dot using a spin-boson model. We investigate the onset and ti...
Effects of Extension and Overlap of Wavefunctions on Plasmon
Modes in Symmetric Double-Quantum-Well
Structures
quantum wells collective excitations plasmons
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2007/8/15
2001Vol.36No.2pp.227-230DOI:
Effects of Extension and Overlap of Wavefunctions on Plasmon
Modes in Symmetric Double-Quantum-Well
Structures
LIU Xin-Hai, WANG Xue-Hua and GU Ben-Yu...
Asymmetric Double Quantum Dots as a Subminiature Mesoscopic Cell
mesoscopic cell double quantum dot noise
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2007/8/15
2001Vol.36No.2pp.231-234DOI:
Asymmetric Double Quantum Dots as a Subminiature Mesoscopic Cell
SUN Qing-Feng,1 WANG Jian2 and LIN Tsung-Han1
1 State Key Laboratory for Me...
Giant Kondo Resonance of Parallel-Coupled Double Quantum
Dots Embedded in an A-B Ring
persistent current double quantum dot parity effect Kondo effect
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2007/8/15
2006Vol.46No.2pp.343-347DOI:
Giant Kondo Resonance of Parallel-Coupled Double Quantum
Dots Embedded in an A-B Ring
CHEN Xiong-Wen,1,2 HE Da-Jiang,1,2 SONG Ke-Hui,1,2 and WU Shao-Q...
Transient Intersubband Optical Absorption in Double Quantum Well Structure
optical absorption double quantum well intersubband
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2007/8/15
2005Vol.43No.4pp.759-764DOI:
Transient Intersubband Optical Absorption in Double Quantum Well Structure
WU Bin-He
State Key Laboratory of Functional Materials for
Infor...
Josephson current through double quantum dots
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2007/7/28
期刊信息
篇名
Josephson current through double quantum dots
语种
英文
撰写或编译
撰写
作者
张志勇
第一作者单位
南京大学物理系
刊物名称
Journal of Physics: Condensed Matter
页面
18(1)/181-188/2006
出版日期
2005年
12月
09日
文章标识(ISSN)
相关项目
磁性半导体中自旋和电...
Fano effect and electronic correlations in double quantum dots: Aharonov-Bohm effect
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2007/7/28
期刊信息
篇名
Fano effect and electronic correlations in double quantum dots: Aharonov-Bohm effect
语种
英文
撰写或编译
撰写
作者
张志勇
第一作者单位
南京大学物理系
刊物名称
Journal of Physics: Condensed Matter
页面
18(5)/1655-1665/2006
出版日期...