964 citations
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14 papers · 1 filter
Ground states of quantum kagome antiferromagnets in a magnetic field
D. C. Cabra, M. D. Grynberg, P. Pujol
We study the ground state properties of a quantum antiferromagnet in the kagome lattice in the presence of a magnetic field, paying particular attention to the stability of the pla…
Observation of near-critical reflection of internal waves in a stably stratified fluid
Thierry Dauxois, Anthony Didier, Eric Falcon
An experimental study is reported of the near-critical reflection of internal gravity waves over sloping topography in a stratified fluid. An overturning instability close to the s…
A Remark on the Kramers Problem
A. Samoletov
We present new point of view on the old problem, the Kramers problem. The passage from the Fokker-Planck equation to the Smoluchowski equation, including corrections to the Smoluch…
Power and heat fluctuation theorems for electric circuits
R. van Zon, S. Ciliberto, E. G. D. Cohen
Using recent fluctuation theorems from nonequilibrium statistical mechanics, we extend the theory for voltage fluctuations in electric circuits to power and heat fluctuations. They…
Nonlinear electrical conductivity in a 1D granular medium
Eric Falcon, Bernard Castaing, Mathieu Creyssels
We report on observations of the electrical transport within a chain of metallic beads (slightly oxidised) under an applied stress. A transition from an insulating to a conductive…
On the Rapid Increase of Intermittency in the Near-Dissipation Range of Fully Developed Turbulence
Laurent Chevillard, Bernard Castaing, Emmanuel Leveque
Intermittency, measured as log(F(r)/3), where F(r) is the flatness of velocity increments at scale r, is found to rapidly increase as viscous effects intensify, and eventually satu…