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37 papers · 2 filters
Optical control of electron spin coherence in CdTe/(Cd,Mg)Te quantum wells
E. A. Zhukov, D. R. Yakovlev, M. M. Glazov +5
Optical control of the spin coherence of quantum well electrons by short laser pulses with circular or linear polarization is studied experimentally and theoretically. For that pur…
Quantum effects in linear and non-linear transport of T-shaped ballistic junction
J. Wrobel, P. Zagrajek, M. Czapkiewicz +6
We report low-temperature transport measurements of three-terminal T-shaped device patterned from GaAs/AlGaAs heterostructure. We demonstrate the mode branching and bend resistance…
Picosecond charge variation of quantum dots under pulsed excitation
Tomasz Kazimierczuk, Mateusz Goryca, Maciej Koperski +5
We present a spectroscopic study of excitation dynamics in self assembled CdTe/ZnTe quantum dots. Insight into details of kinetics is obtained from the time resolved micro-photolum…
Nonequilibrium dynamical ferromagnetism of interacting Single-Molecule Magnets
Gui-Bin Liu, Bang-Gui Liu
We propose a nonequilibrium Monte Carlo (MC) approach to explore nonequilibrium dynamical ferromagnetism of interacting single molecule magnets (SMMs). Both quantum spin tunneling…
Self-organized composites of multiwalled carbon nanotubes and nematic liquid crystal 5CB: Optical singularities and percolation behavior in electrical conductivity
V. V. Ponevchinsky, A. I. Goncharuk, V. I. Vasil'ev +2
This work discusses optical singularities and electrical conductivity behavior in a thin electrooptical cell filled with composites including multi-walled carbon nanotubes (MWCNTs)…
Controllable Andreev retroreflection and specular Andreev reflection in a four-terminal graphene-superconductor hybrid system
Shu-guang Cheng, Yanxia Xing, Jian Wang +1
We report the investigation of electron transport through a four-terminal graphene-superconductor hybrid system. Due to the quantum interference of the reflected holes from two gra…