737 citations
- Centre National de la Recherche ScientifiqueFR4 papers
- Technische Hochschule UlmDE4 papers
- Helmholtz-Institute UlmDE3 papers
- Leibniz University HannoverDE3 papers
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- Universitat Autònoma de BarcelonaES3 papers
- Université Toulouse III - Paul SabatierFR3 papers
- Bavarian Academy of Sciences and HumanitiesDE2 papers
- European Centre for Theoretical Studies in Nuclear Physics and Related AreasIT2 papers
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19 papers · 1 filter
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…
The granularity of weakly occupied bosonic fields beyond the local density approximation
M. Eckart, R. Walser, W. P. Schleich +2
We examine ground state correlations for repulsive, quasi one-dimensional bosons in a harmonic trap. In particular, we focus on the few particle limit N=2,3,4,..., where exact nume…
Valence Bond States: Link models
E. Rico, R. Hübener, S. Montangero +4
An isotropic anti-ferromagnetic quantum state on a square lattice is characterized by symmetry arguments only. By construction, this quantum state is the result of an underlying va…
Nuclear Charge Radii of Be-7,9,10 and the one-neutron halo nucleus Be-11
W. Nörtershäuser, D. Tiedemann, M. Žáková +15
Nuclear charge radii of Be have been determined by high-precision laser spectroscopy. On-line measurements were performed with collinear laser spectroscopy in the $2s…
Approximation of the Semigroup generated by the Robin Laplacian in terms of the Gaussian Semigroup
Robin Nittka
For smooth bounded open sets in euclidean space, we construct corresponding contractive linear extension operators for the space of continuous functions which preserve regularity o…
Ramsey interferometry with a spin embedded in a Coulomb chain
Gabriele De Chiara, Tommaso Calarco, Shmuel Fishman +1
We show that the statistical properties of a Coulomb crystal can be measured by means of a standard interferometric procedure performed on the spin of one ion in the chain. The ion…