31 citations · 32 across the 3 of their papers we have counts for
9 papers · 1 filter
Spin-dephasing anisotropy for electrons in a diffusive quasi-1D GaAs wire
J. Liu, T. Last, E. J. Koop +3
We present a numerical study of dephasing of electron spin ensembles in a diffusive quasi-one-dimensional GaAs wire due to the D'yakonov-Perel' spin-dephasing mechanism. For widths…
Confinement-enhanced spin relaxation for electron ensembles in large quantum dots
E. J. Koop, B. J. van Wees, C. H. van der Wal
We present a numerical study of spin relaxation in a semiclassical electron ensemble in a large ballistic quantum dot. The dot is defined in a GaAs/AlGaAs heterojunction system wit…
The influence of device geometry on many-body effects in quantum point contacts: Signatures of the 0.7 anomaly, exchange and Kondo
E. J. Koop, A. I. Lerescu, J. Liu +4
The conductance of a quantum point contact (QPC) shows several features that result from many-body electron interactions. The spin degeneracy in zero magnetic field appears to be s…
Non-local detection of resistance fluctuations of an open quantum dot
A. I. Lerescu, E. J. Koop, C. H. van der Wal +2
We investigate quantum fluctuations in the non-local resistance of an open quantum dot which is connected to four reservoirs via quantum point contacts. In this four-terminal quant…
Spin accumulation probed in multiterminal lateral all-metallic devices
M. V. Costache, M. Zaffalon, B. J. van Wees
We study spin accumulation in an aluminium island, in which the injection of a spin current and the detection of the spin accumulation are done by means of four cobalt electrodes t…
The spin-torque transistor
Gerrit E. W. Bauer, Arne Brataas, Yaroslav Tserkovnyak +1
A magnetoelectronic thin-film transistor is proposed that can display negative differential resistance and gain. The working principle is the modulation of the soure-drain current…