1.2k citations
- Eindhoven University of TechnologyNL56 papers
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- Philips (Finland)FI9 papers
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- Max Planck Institute for Solid State ResearchDE7 papers
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- RWTH Aachen UniversityDE5 papers
Showing 1999Show all
3 papers · 1 filter
math.FA1999★ 2 cited
Weyl-Heisenberg Frames, Translation Invariant Systems and the Walnut Representation
Peter G. Casazza, Ole Christensen, A. J. E. M. Janssen
We present a comprehensive analysis of the convergence properties of the frame operators of Weyl-Heisenberg systems and shift-invariant systems, and relate these to the convergence…
cond-mat.mtrl-sci1999
Reversible electrowetting and trapping of charge: model and experiments
H. J. J. Verheijen, M. W. J. Prins
We derive a model for voltage-induced wetting, so-called electrowetting, from the principle of virtual displacement. Our model includes the possibility that charge is trapped in or…
cond-mat.str-el1999★ 78 cited
Quantum melting of magnetic long-range order near orbital degeneracy. Classical phases and Gaussian fluctuations
Andrzej M. Oles, Louis Felix Feiner, Jan Zaanen
We study the effective spin-orbital model derived for the d9 ions in a three-dimensional perovskite lattice, as in KCuF_3, where at each site the doubly degenerate eg orbitals cont…