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20 papers · 1 filter
Tempered fundamental group and metric graph of a Mumford curve
Emmanuel Lepage
This paper is an attempt to give some general results on the tempered fundamental group of a -adic smooth algebraic varieties (which is a sort of analog of the topologic fundame…
Observation of wave turbulence in vibrating plates
Arezki Boudaoud, Olivier Cadot, Benoît Odille +1
The nonlinear interaction of waves in a driven medium may lead to wave turbulence, a state such that energy is transferred from large to small lengthscales. Here, wave turbulence i…
Sedimentation-consolidation of a double porosity material
Henry Wong, Chin J. Leo, Jean-Michel Pereira +1
This paper studies the sedimentation-consolidation of a double porosity material, such as lumpy clay. Large displacements and finite strains are accounted for in a multidimensional…
Geometric potentials in quantum optics: A semi-classical interpretation
Marc Cheneau, Steffen Patrick Rath, Tarik Yefsah +3
We propose a semi-classical interpretation of the geometric scalar and vector potentials that arise due to Berry's phase when an atom moves slowly in a light field. Starting from t…
Conical defects in growing sheets
Martin Michael Mueller, Martine Ben Amar, Jemal Guven
A growing or shrinking disc will adopt a conical shape, its intrinsic geometry characterized by a surplus angle at the apex. If growth is slow, the cone will find its equilibr…
Observation of inter-Landau-level quantum coherence in semiconductor quantum wells
K. M. Dani, I. A. Cotoros, J. Wang +4
Using three-pulse four-wave-mixing femtosecond spectroscopy, we excite a non-radiative coherence between the discrete Landau levels of an undoped quantum well and study its dynamic…