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- Max Planck SocietyDE799 papers
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23 papers · 1 filter
Ordering effect of Coulomb interaction in ballistic double-ring systems
C. M. Canali, W. Stephan, L. Y. Gorelik +2
We study a model of two concentric onedimensional rings with incommensurate areas and , in a constant magnetic field. The two rings are coupled by a nonhomogeneous inter…
Transport theory yields renormalization group equations
Jochen Rau
We show that dissipative transport and renormalization can be described in a single theoretical framework. The appropriate mathematical tool is the Nakajima-Zwanzig projection tech…
Spectral Functions of One-dimensional Models of Correlated Electrons
Julien Favand, Stephan Haas, Karlo Penc +2
Using the Ogata-Shiba wave function, the spectral functions of the one-dimensional infinite U Hubbard model are calculated for various concentrations. It is shown that the ``shadow…
Computing Lyapunov spectra with continuous Gram-Schmidt orthonormalization
Freddy Christiansen, Hans Henrik Rugh
We present a straightforward and reliable continuous method for computing the full or a partial Lyapunov spectrum associated with a dynamical system specified by a set of different…
Vortex Quantum Nucleation and Tunneling in Superconducting Thin Films: Role of Dissipation and Periodic Pinning
Roberto Iengo, Giancarlo Jug
We investigate the phenomenon of decay of a supercurrent in a superconducting thin film in the absence of an applied magnetic field. The resulting zero-temperature resistance deriv…
Scaling Behavior and Universality near the Quantum Hall Transition
K. Ziegler
A two-dimensional lattice system of non-interacting electrons in a homogeneous magnetic field with half a flux quantum per plaquette and a random potential is considered. For the l…