搜索结果: 1-15 共查到“理学 Dephasing”相关记录16条 . 查询时间(0.141 秒)
Coherent quantum transport in disordered systems: I. The influence of dephasing on the transport properties and absorption spectra on one-dimensional systems
quantum transport in disordered systems dephasing on the transport properties absorption spectra one-dimensional systems
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2014/9/24
Excitonic transport in static-disordered one dimensional systems is studied in the presence of thermal fluctuations that are described by the Haken–Strobl–Reineker model. For short times, non-diffusiv...
Dephasing by a Continuous-Time Random Walk Process
Dephasing Continuous-Time Random Walk Process Chemical Physics
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2012/5/17
Stochastic treatments of magnetic resonance spectroscopy and optical spectroscopy require evaluations of functions like int_0^t Q(s)ds)>, where t is time, Q(s) is the value of a stochastic proc...
Dephasing of multiparticle Rydberg excitations for fast entanglement generation
multiparticle Rydberg excitations fast entanglement generation Quantum Physics
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2011/8/17
Abstract: An approach to fast entanglement generation based on Rydberg dephasing of collective excitations (spin-waves) in large, optically thick atomic ensembles is proposed. Long-range $1/r^3$ atomi...
Dephasing in coherently-split quasicondensates
Dephasing coherently-split quasicondensates
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2010/11/19
We numerically model the evolution of a pair of coherently split quasicondensates. A truly
one-dimensional case is assumed, so that the loss of the (initially high) coherence between the
two quasico...
Wave function multifractality and dephasing at metal-insulator and quantum Hall transitions
Anderson transitions Quantum Hall effect dephasing multifractality
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2010/11/23
We analyze the critical behavior of the dephasing rate induced by short-range electron-electron interaction near an Anderson transition of metal-insulator or quantum Hall type. The corresponding expon...
Ultrafast dephasing of coherent optical phonons in atomically controlled GeTe/Sb$_{2}$Te$_{3}$ superlattices
Ultrafast dephasing of coherent optical phonons
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2010/11/23
Femtosecond dynamics of coherent optical phonons in GeTe/Sb2Te3 superlattices (SLs), a new
class of semiconductor SLs with three different states, have been investigated by using a reflectiontype pum...
Effect of Dephasing on Electron Transport in a Molecular Wire: Green's Function Approach
Effect Electron Transport Molecular Wire Green's Function Approach
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2010/11/19
The effect of dephasing on electron transport through a benzene molecule is carefully examined
using a phenomenological model introduced by B¨uttiker. Within a tight-binding framework all the calcula...
Ultrafast dephasing of coherent optical phonons in atomically controlled GeTe/Sb$_{2}$Te$_{3}$ superlattices
Ultrafast dephasing coherent optical phonons
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2010/11/18
Femtosecond dynamics of coherent optical phonons in GeTe/Sb$_{2}$Te$_{3}$ superlattices (SLs), a new class of semiconductor SLs with three different states, have been investigated by using a reflecti...
Circuit QED with a Nonlinear Resonator : ac-Stark Shift and Dephasing
Circuit QED Nonlinear Resonator ac-Stark Shift and Dephasing
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2010/11/9
We have performed spectroscopic measurements of a superconducting qubit dispersively coupled to a nonlinear resonator driven by a pump microwave field. Measurements of the qubit frequency shift provid...
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...
Qubit Entanglement Dephasing Dynamics Driven by a Bath of Spins
Qubit Entanglement Dephasing Dynamics Driven Bath of Spins
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2010/10/19
We study the entanglement dynamics for a two-spin system coupled to a spin environment of
different configurations by z-x type interaction. The models considered in this paper are solved both analyti...
Dephasing effects on stimulated Raman adiabatic passage in tripod configurations
Dephasing effects stimulated Raman adiabatic passage configurations
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2010/10/19
We present an analytic description of the effects of dephasing processes on stimulated Raman
adiabatic passage in a tripod quantum system. To this end, we develop an effective two-level model.Our ana...
The role of chaos in quantum communication through a dynamical dephasing channel
quantum communication dynamical dephasing channel
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2010/4/6
In this article we treat the subject of chaotic environments with few degrees of freedom in quantum communication by investigating a conservative dynamical map as a model of a dephasing quantum channe...
Optical Bloch Equations Modified with Phonon-Induced Intensity-Dependent
Dephasing
decoherence dephasing optical Bloch equation quantum dot
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2007/8/15
2007Vol.48No.2pp.335-338DOI:
Optical Bloch Equations Modified with Phonon-Induced Intensity-Dependent
Dephasing
ZHOU Guang-Hua,1 LI Yao-Yi,2 CHENG Mu-Tian,1 LIU Shao-Ding,1 and WA...
Orbital Entanglement and Violation of Bell Inequalities in the Presence of Dephasing
orbital entanglement dephasing Bell Inequalities mesoscopic physics
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2010/4/12
We discuss orbital entanglement in mesoscopic conductors, focusing on the effect of dephasing. The entanglement is detected via violation of a Bell Inequality formulated in terms of zero-frequency cur...