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- P. Hänggi4 profiles63 · h 73
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- Augsburg UniversityUS83 papers
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39 papers · 1 filter
Switching the Ferroelectric Polarization by External Magnetic Fields in the Spin = 1/2 Chain Cuprate LiCuVO4
F. Schrettle, S. Krohns, P. Lunkenheimer +5
We present a detailed study of complex dielectric constant and ferroelectric polarization in multiferroic LiCuVO4 as function of temperature and external magnetic field. In zero ex…
Anomalous transport in biased ac-driven Josephson junctions: Negative conductances
M. Kostur, L. Machura, P. Talkner +2
We investigate classical anomalous electrical transport in a driven, resistively and capacitively shunted Josephson junction device. Novel transport phenomena are identified in cha…
Broadband dielectric spectroscopy on benzophenone: alpha relaxation, beta relaxation, and mode coupling theory
P. Lunkenheimer, L. C. Pardo, M. Köhler +1
We have performed a detailed dielectric investigation of the relaxational dynamics of glass-forming benzophenone. Our measurements cover a broad frequency range of 0.1 Hz to 120 GH…
Almost positive curvature on the Gromoll-Meyer sphere
Jost-Hinrich Eschenburg, Martin Kerin
Gromoll and Meyer have represented a certain exotic 7-sphere as a biquotient of the Lie group . We show for a 2-parameter family of left invariant metrics on t…
Magnetic ordering in the striped nickelate La5/3Sr1/3NiO4: A band structure point of view
U. Schwingenschlogl, C. Schuster, R. Fresard
We report on a comprehensive study of the electronic and magnetic structure of the striped nickelate La5/3Sr1/3NiO4. The investigation is carried out using band structure calculati…
On properness and related properties of quasilinear systems on unbounded domains
Stefan Krömer, Markus Lilli
The purpose of this paper is to provide tools for analyzing the compactness of sequences in Sobolev spaces, in particular if the sequence gets mapped onto a compact set by some non…