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13 papers · 2 filters
Spin Hall effect and zitterbewegung in an electron waveguide
P. Brusheim, H. Q. Xu
We study spin-resolved probability distributions for electrons in a multichannel waveguide in the presence of a spin-orbit interaction. For a spin-polarized electron injection, a z…
Full counting statistics for voltage and dephasing probes
S. Pilgram, P. Samuelsson, H. Forster +1
We present a stochastic path integral method to calculate the full counting statistics of conductors with energy conserving dephasing probes and dissipative voltage probes. The app…
Tunneling through nanosystems: Combining broadening with many-particle states
Jonas Nyvold Pedersen, Andreas Wacker
We suggest a new approach for transport through finite systems based on the Liouville equation. By working in a basis of many-particle states for the finite system, Coulomb interac…
Tunable effective g-factor in InAs nanowire quantum dots
M. T. Björk, A. Fuhrer, A. E. Hansen +3
We report tunneling spectroscopy measurements of the Zeeman spin splitting in InAs few-electron quantum dots. The dots are formed between two InP barriers in InAs nanowires with a…
Counting statistics and decoherence in coupled quantum dots
G. Kiesslich, P. Samuelsson, A. Wacker +1
We theoretically consider charge transport through two quantum dots coupled in series. The corresponding full counting statistics for noninteracting electrons is investigated in th…
Quantum-mechanical wavepacket transport in quantum cascade laser structures
S. -C. Lee, F. Banit, M. Woerner +1
We present a viewpoint of the transport process in quantum cascade laser structures in which spatial transport of charge through the structure is a property of coherent quantum-mec…