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- Center for Integrated Quantum Science and TechnologyDE303 papers
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- Imperial College LondonGB58 papers
- Hebrew University of JerusalemIL52 papers
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42 papers · 1 filter
Theory of fractional vortex escape in a 0-kappa long Josephson junction
K. Vogel, T. Kato, W. P. Schleich +3
We consider a fractional Josephson vortex in an infinitely long 0-kappa Josephson junction. A uniform bias current applied to the junction exerts a Lorentz force acting on a vortex…
Trap modulation spectroscopy of the Mott-insulator transition in optical lattices
H. Lignier, A. Zenesini, D. Ciampini +5
We introduce a new technique to probe the properties of an interacting cold atomic gas that can be viewed as a dynamical compressibility measurement. We apply this technique to the…
Adaptive estimation of qubits by symmetry measurements
Christof J. Happ, Matthias Freyberger
We analyze quantum state estimation for finite samples based on symmetry information. The used measurement concept compares an unknown qubit to a reference state. We describe expli…
Quantum tunneling of a single semifluxon in a 0-pi Josephson junction
E. Goldobin, K. Vogel, W. P. Schleich +2
We consider a symmetric 0-pi Josephson junction of length , which classically can be in one of two degenerate ground states up or down, corresponding to supercurrents circulatin…
Artin characters, Hurwitz trees and the lifting problem
Louis Hugo Brewis, Stefan Wewers
We study finite groups of automorphisms of the -adic open disk. In particular, we generalize results of Green, Matignon and Henrio from cyclic groups of order to arbitrary f…
Parabolic systems with coupled boundary conditions
Stefano Cardanobile, Delio Mugnolo
We consider elliptic operators with operator-valued coefficients and discuss the associated parabolic problems. The unknowns are functions with values in a Hilbert space . The s…