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- A. Loidl4 profiles99 · h 69
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- Augsburg UniversityUS109 papers
- Centre National de la Recherche ScientifiqueFR58 papers
- Institute of Applied PhysicsMD46 papers
- Max Planck Institute for the Physics of Complex SystemsDE43 papers
- Technical University of MunichDE39 papers
- Technische Universität DresdenDE34 papers
- Academy of Sciences of MoldovaMD32 papers
- The University of TokyoJP32 papers
- Max Planck Institute for Chemical Physics of SolidsDE29 papers
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8 papers · 2 filters
Transport suppression in heterostructures driven by an ac gate voltage
Miguel Rey, Michael Strass, Sigmund Kohler +2
We explore the possibility of inducing in heterostructures driven by an ac gate voltage the coherent current suppression recently found for nanoscale conductors in oscillating fiel…
Coherence stabilization of a two-qubit gate by AC fields
Karen M. Fonseca Romero, Sigmund Kohler, Peter Hänggi
We consider a CNOT gate operation under the influence of quantum bit-flip noise and demonstrate that ac fields can change bit-flip noise into phase noise and thereby improve cohere…
Driven quantum transport on the nanoscale
Sigmund Kohler, Jörg Lehmann, Peter Hänggi
We explore the prospects to control by use of time-dependent fields quantum transport phenomena in nanoscale systems. In particular, we study for driven conductors the electron cur…
What are spin currents in Heisenberg magnets?
Florian Schuetz, Peter Kopietz, Marcus Kollar
We discuss the proper definition of the spin current operator in Heisenberg magnets subject to inhomogeneous magnetic fields. We argue that only the component of the naive "current…
Vibrational effects in laser driven molecular wires
Jörg Lehmann, Sigmund Kohler, Volkhard May +1
The influence of an electron-vibrational coupling on the laser control of electron transport through a molecular wire that is attached to several electronic leads is investigated.…
Comment on "Magnetic response of Disordered Metallic Rings: Large Contributions of Far Levels"
U. Eckern, P. Schwab, V. Ambegaokar
Comment on cond-mat/0205390; PRL 90, 026805 (2003)