搜索结果: 1-15 共查到“物理学 quantum dots”相关记录77条 . 查询时间(0.218 秒)
Decades of research brings quantum dots to brink of widespread use
LED colloidal quantum dots semiconductor LSC
2021/8/9
A new article gives an overview of almost three decades of research into colloidal quantum dots, assesses the technological progress for these nanometer-sized specs of semiconductor matter, and weighs...
2017第14届量子点和纳米结构研讨会（Quantum Dots and Nanostructures:Growth,Characterization,and Modeling XIV ）
2017 第14届 量子点和纳米结构 研讨会
2017/1/12
OPTO is organized into eight tracks. Choose a track and click to see the list of conferences.Review conference details by clicking on the titles below. These details include paper titles, authors, sch...
Dynamical Magnetic and Nuclear Polarization in Complex Spin Systems: Semi-magnetic II-VI Quantum Dots
Dynamical Magnetic Nuclear Polarization Complex Spin Systems Semi-magnetic II-VI Quantum Dots
2012/2/29
Dynamical magnetic and nuclear polarization in complex spin systems is discussed on the example of transfer of spin from exciton to the central spin of magnetic impurity in a quantum dot in the presen...
Dynamical Magnetic and Nuclear Polarization in Complex Spin Systems: Semi-magnetic II-VI Quantum Dots
Dynamical Magnetic and Nuclear Polarization in Complex Spin Systems: Semi-magnetic II-VI Quantum Dots
2012/2/27
Dynamical magnetic and nuclear polarization in complex spin systems is discussed on the example of transfer of spin from exciton to the central spin of magnetic impurity in a quantum dot in the presen...
Phonon-assisted transport through suspended carbon nanotube quantum dots
Phonon-assisted transport through suspended carbon nanotube quantum dots
2014/5/28
Motivated by several recent experiments, we investigate phonon-assisted electronic transport through suspended carbon nanotube quantum dots including electron-electron, electron-phonon, and spin-orbit...
Phonon-assisted transport through suspended carbon nanotube quantum dots
Phonon-assisted transport suspended carbon nanotube quantum dots
2014/5/28
Motivated by several recent experiments, we investigate phonon-assisted electronic transport through suspended carbon nanotube quantum dots including electron-electron, electron-phonon, and spin-orbit...
Chiral spin currents and spectroscopically accessible single merons in quantum dots
currents merons quantum dots
2011/9/9
We provide unambiguous theoretical evidence for the formation of correlation-induced isolated merons in rotationally-symmetric quantum dots. Our calculations rely on neither the lowest-Landau-level ap...
Inhibited spontaneous emission of quantum dots observed in a 3D photonic band gap
3D photonic band gap spontaneous emission
2011/8/31
We present time-resolved emission experiments of semiconductor quantum dots in silicon 3D inverse-woodpile photonic band gap crystals. A systematic study is made of crystals with a range of pore radii...
Electric-field Manipulation of the Lande' g Tensor of Holes in In0.5Ga0.5As/GaAs Self-assembled Quantum Dots
Electric-field Manipulation Self-assembled Quantum Dots
2010/11/25
The effect of an electric field on spin precession in In0.5Ga0.5As/GaAs self-assembled quantum
dots is calculated using multiband real-space envelope-function theory. The dependence of the Land´...
Atomistic theory of spin relaxation in self-assembled In$_{1-x}$Ga$_x$As/GaAs quantum dots at zero magnetic field
Atomistic theory spin relaxation zero magnetic field
2010/11/25
We present full atomistic calculations of the spin-flip time (T1) of electrons and holes mediated by acoustic phonons in self-assembled In1−xGaxAs/GaAs quantum dots at zero magnetic field. At lo...
Effects of variable anisotropic-strain on the emission of neutral excitons confined in epitaxial quantum dots
Effects of variable anisotropic-strain neutral excitons epitaxial quantum dots
2010/11/22
We study the e ect of elastic anisotropic biaxial strain on the light emitted by neutral excitons confined in di erent kinds of semiconductor quantum dots (QDs). We find that the light polarization ro...
Spin exchange interaction with tunable range between graphene quantum dots
Spin exchange interaction tunable graphene quantum dots
2010/11/22
We study the spin exchange between two electrons localized in separate quantum dots in graphene.The electronic states in the conduction band are coupled indirectly by tunneling to a common continuum o...
Time-convolutionless master equation for quantum dots: Perturbative expansion to arbitrary order
Time-convolutionless master equation quantum dots Perturbative expansion arbitrary order
2010/11/19
The master equation describing the non-equilibrium dynamics of a quantum dot coupled to metallic leads is considered. Employing a superoperator approach, we derive an exact time-convolutionless master...
Manipulation of the Lande g-factor in InAs quantum dots through application of anisotropic gate potentials
Lande g-factor anisotropic gate potentials
2010/11/19
We study the variation in the Lande g-factor of electron spins induced by an anisotropic gate
potential in InAs quantum dots for potential use as non-charge based logic devices. In this paper,we pres...
Signatures of Wigner molecule formation in interacting Dirac fermion quantum dots
Signatures of Wigner molecule formation Dirac fermion quantum dots
2010/11/18
We study N interacting massless Dirac fermions confined in a two-dimensional quantum dot.
Physical realizations of this problem include a graphene monolayer and the surface state of a strong topologi...