Camera-based single-particle orientation imaging of quantum dots

We study the transport properties of electrons in a quantum wire with side-coupled quantum dots in Coulomb blockade regime by the use of the equivalent single-particle multi-channel network and Landauer formula. At low temperatures the calculated dependence of the conductance on the gate voltage of dots exhibits two dips, indicating the destructive interference of the wave directly transmitted through the wire and the wave reflected from the dots. In a wire with more than one side-coupled dots the suppression of conductance is a simple summation of the effects of scattering of all the dots. The possibility of fabricating tunable switch devices by using such structures is discussed.

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Development and applications of single particle orientation and rotational tracking in dynamic systems

10.2172/1342544 ◽

2016 ◽

Author(s):

Kuangcai Chen

Keyword(s):

Dynamic Systems ◽

Single Particle ◽

Particle Orientation

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An aptamer-based single particle method for sensitive detection of thrombin using fluorescent quantum dots as labeling probes

Talanta ◽

10.1016/j.talanta.2015.05.034 ◽

2015 ◽

Vol 144 ◽

pp. 13-19 ◽

Cited By ~ 11

Author(s):

Jinjin Yin ◽

Aidi Zhang ◽

Chaoqing Dong ◽

Jicun Ren

Keyword(s):

Quantum Dots ◽

Single Particle ◽

Particle Method ◽

Sensitive Detection

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Single-particle state mixing in two-electron double quantum dots

Physical Review B ◽

10.1103/physrevb.73.155301 ◽

2006 ◽

Vol 73 (15) ◽

Cited By ~ 20

Author(s):

Dmitriy V. Melnikov ◽

Jean-Pierre Leburton

Keyword(s):

Quantum Dots ◽

Single Particle ◽

Single Particle State ◽

Double Quantum ◽

Particle State ◽

Double Quantum Dots ◽

State Mixing

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ENERGY STATES IN QUANTUM DOTS

International Journal of High Speed Electronics and Systems ◽

10.1142/s0129156402001101 ◽

2002 ◽

Vol 12 (01) ◽

pp. 15-43 ◽

Cited By ~ 3

Author(s):

ANDREW J. WILLIAMSON

Keyword(s):

Quantum Dots ◽

Absorption Spectrum ◽

Electronic Structure ◽

Optical Absorption ◽

Configuration Interaction ◽

Single Particle ◽

Optical Absorption Spectrum ◽

Semiconductor Quantum Dots ◽

Binding Energies ◽

Particle Level

We describe a procedure for calculating the electronic structure of semiconductor quantum dots containing over one million atoms. The single particle electron levels are calculated by solving a Hamiltonian constructed from screened atomic pseudopotentials. Effects beyond the single particle level such as electron and hole exchange and correlation interactions are described using a configuration interaction (CI) approach. Application of these methods to the calculation of the optical absorption spectrum, Coulomb repulsions and multi-exciton binding energies of InGaAs self-assembled quantum dots are presented.

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