911 citations
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- Ludwig-Maximilians-Universität MünchenDE123 papers
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15 papers · 1 filter
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…
Oscillatory non-linear conductance of an interacting quantum wire with an impurity
Fabrizio Dolcini, Hermann Grabert, Ines Safi +1
The nonlinear conductance of a one-dimensional quantum wire adiabatically coupled to Fermi Liquid electron reservoirs is determined in presence of an impurity. We show that electro…
The non-Markovian quantum behavior of open systems: An exact Monte Carlo method employing stochastic product states
Heinz-Peter Breuer
It is shown that the exact dynamics of a composite quantum system can be represented through a pair of product states which evolve according to a Markovian random jump process. Thi…
Completely positive inner products and strong Morita equivalence
Henrique Bursztyn, Stefan Waldmann
We develop a general framework for the study of strong Morita equivalence in which -algebras and hermitian star products on Poisson manifolds are treated in equal footing. We…