Jacob Sparre Andersen

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When a container of fluid is oscillated vertically, capillary waves develop on the surface if the amplitude exceeds a critical value. Experimentally one finds that the motion of small particles on the surface of the fluid is close to Brownian. Here we study the relative motion of particle pairs. The experiment establishes that particle motion is strongly(More)
The effects on latent inhibition (LI; a delay in conditioning when a CS has been pre-exposed without consequences) of repeated restraint stress and the anxiolytic drug diazepam were examined in C57BL/6 mice to know whether previous aversive events or anxiolysis are factors determining the expression of LI. The LI model was optimized for this strain(More)
We examine particle trajectories in capillary waves formed on a water surface subject to vertical vibrations. We focus on the role of a distinct length scale present in our experiment, namely, the wavelength l of the surface waves. We observe non-Brownian particle trajectories with a fractal dimension D different from the random walk value D ෇ 2. A(More)
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