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6 papers · 2 filters
Ladder approximation to spin velocities in quantum wires
Lars Kecke, Wolfgang Häusler
The spin sector of charge-spin separated single mode quantum wires is studied, accounting for realistic microscopic electron-electron interactions. We utilize the ladder approximat…
Effect of interactions on the noise of chiral Luttinger liquid systems
B. Trauzettel, P. Roche, D. C. Glattli +1
We analyze the current noise, generated at a quantum point contact in fractional quantum Hall edge state devices, using the chiral Luttinger liquid model with an impurity and the a…
Jahn-Teller Distortions and the Supershell Effect in Metal Nanowires
D. F. Urban, J. Bürki, C. -H. Zhang +2
A stability analysis of metal nanowires shows that a Jahn-Teller deformation breaking cylindrical symmetry can be energetically favorable, leading to stable nanowires with elliptic…
Rashba precession in quantum wires
Wolfgang Häusler
The length over which electron spins reverse direction due to the Rashba effect when injected with an initial polarization along the axes of a quantum wire is investigated theoreti…
Inelastic electron relaxation rates caused by Spin M/2 Kondo Impurities
Georg Goeppert, Hermann Grabert
We study a spin S=M/2--Kondo system coupled to electrons in an arbitrary nonequilibrium situation above Kondo temperature. Coupling to hot electrons leads to an increased inverse l…
Tunneling Density of States of the Interacting Two-Dimensional Electron Gas
Joerg Rollbuehler, Hermann Grabert
We investigate the influence of electron--electron interactions on the density of states of a ballistic two--dimensional electron gas. The density of states is determined nonpertur…