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- Forschungszentrum JülichDE848 papers
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17 papers · 1 filter
Visualizing supercurrents in ferromagnetic Josephson junctions with various arrangements of 0 and πsegments
C. Gürlich, S. Scharinger, M. Weides +5
Josephson junctions with ferromagnetic barrier can have positive or negative critical current depending on the thickness of the ferromagnetic layer. Accordingly, the Josephso…
Dzyaloshinskii-Moriya interaction in transport through single molecule transistors
S. Herzog, M. R. Wegewijs
The Dzyaloshinskii-Moriya interaction is shown to result in a canting of spins in a single molecule transistor. We predict non-linear transport signatures of this effect induced by…
Asymmetric Franck-Condon factors in suspended carbon nanotube quantum dots
Fabio Cavaliere, Eros Mariani, Renaud Leturcq +2
Electronic states and vibrons in carbon nanotube quantum dots have in general different location and size. As a consequence, the conventional Anderson-Holstein model, coupling vibr…
Magnetic interference patterns in 0-Pi SIFS Josephson junctions: effects of asymmetry between 0 and Pi regions
M. Kemmler, M. Weides, M. Weiler +8
We present a detailed analysis of the dependence of the critical current I_c on the magnetic field B of 0, Pi, and 0-Pi superconductor-insulator-ferromagnet-superconductor Josephso…
Relaxation vs decoherence: Spin and current dynamics in the anisotropic Kondo model at finite bias and magnetic field
Mikhail Pletyukhov, Dirk Schuricht, Herbert Schoeller
Using a nonequilibrium renormalization group method we study the real-time evolution of spin and current in the anisotropic Kondo model (both antiferromagnetic and ferromagnetic) a…
Bistability and oscillatory motion of natural nano-membranes appearing within monolayer graphene on silicon dioxide
T. Mashoff, M. Pratzer, V. Geringer +4
The recently found material graphene is a truly two-dimensional crystal and exhibits, in addition, an extreme mechanical strength. This in combination with the high electron mobili…