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13 papers · 1 filter
Soft Listeria: actin-based propulsion of liquid drops
Hakim Boukellal, Otger Campàs, Jean-François Joanny +2
We study the motion of oil drops propelled by actin polymerization in cell extracts. Drops deform and acquire a pear-like shape under the action of the elastic stresses exerted by…
Resonant Raman scattering in mercurate single crystals
Y. Gallais, A. Sacuto, D. Colson
We report resonant electronic Raman scattering in optimally doped single layer HgBaCuO (Hg-1201) and trilayer HgBaCaCuO (Hg-1223) single crystals. A…
Microscopic realizations of the Trap Model
I. Junier, J. Kurchan
Monte Carlo optimizations of Number Partitioning and of Diophantine approximations are microscopic realizations of `Trap Model' dynamics. This offers a fresh look at the physics be…
Hall effect in the normal state of high Tc cuprates
J. Bok, J. Bouvier
We propose a model for explaining the dependence in temperature of the Hall effect of high Tc cuprates in the normal state in various materials. They all show common features: a de…
Measuring thermal conductivity in extreme conditions: sub-Kelvin temperatures and high (27 T) magnetic fields
P. J. E. M. van der Linden, K. Behnia
We present a one-heater-two-thermometer set-up for measuring thermal conductivity and electric resistivity of a bulk sample at low temperatures down to 0.1 K and in magnetic fields…
Fluctuation spectrum of fluid membranes coupled to an elastic meshwork: jump of the effective surface tension at the mesh size
Jean-Baptiste Fournier, David Lacoste, Elie Raphael
We identify a class of composite membranes: fluid bilayers coupled to an elastic meshwork, that are such that the meshwork's energy is a function \textit{not}…