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53 papers · 1 filter
Spin Drag in Ultracold Fermi Mixtures with Repulsive Interactions
R. A. Duine, Marco Polini, Arnaud Raoux +2
We calculate the spin-drag relaxation rate for a two-component ultracold atomic Fermi gas with positive scattering length between the two spin components. In one dimension we find…
New determination of the fine structure constant and test of the quantum electrodynamics
Rym Bouchendira, Pierre Cladé, Saïda Guellati-Khélifa +2
We report a new measurement of the ratio between the Planck constant and the mass of atom. A new value of the fine structure constant is dedu…
A microscopic mean-field theory of the jamming transition
Hugo Jacquin, Ludovic Berthier, Francesco Zamponi
Dense particle packings acquire rigidity through a nonequilibrium jamming transition commonly observed in materials from emulsions to sandpiles. We describe athermal packings and t…
On the solution of a `solvable' model of an ideal glass of hard spheres displaying a jamming transition
Marc Mezard, Giorgio Parisi, Marco Tarzia +1
We discuss the analytical solution through the cavity method of a mean field model that displays at the same time an ideal glass transition and a set of jamming points. We establis…
Mesoscopic admittance of a double quantum dot
Audrey Cottet, Christophe Mora, Takis Kontos
We calculate the mesoscopic admittance of a double quantum dot (DQD),which can be measured directly using microwave techniques. This quantity reveals spectroscopic informati…
Universal Markovian reduction of Brownian particle dynamics
Rocco Martinazzo, Bassano Vacchini, Keith H. Hughes +1
Non-Markovian processes can often be turned Markovian by enlarging the set of variables. Here we show, by an explicit construction, how this can be done for the dynamics of a Brown…