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Velocity Statistics of the Nagel-Schreckenberg Model

Nicolas Bain 1 Thorsten Emig 1, 2 Franz-Joseph Ulm 3 Michael Schreckenberg 4 Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, American Physical Society, 2016, 93, pp.022305 The statistics of velocities in the cellular automaton model of Nagel and Schreckenberg for traffic are studied. From numerical simulations, we obtain the probability distribution function

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Universal three-body recombination and Efimov resonances in an ultracold Li-Cs mixture – Archive ouverte HAL

J. Ulmanis 1 S. Häfner 1 R. Pires 1 Felix Werner 2 D. S. Petrov 3 E. D. Kuhnle 1 M. Weidemüller 4, 1 J. Ulmanis, S. Häfner, R. Pires, Felix Werner, D. S. Petrov, et al.. Universal three-body recombination and Efimov resonances in an ultracold Li-Cs mixture. Physical Review A, American Physical Society, 2016,

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Tracer diffusion coefficients in a sheared inelastic Maxwell gas

Vicente Garzó 1 Emmanuel Trizac 2 Journal of Statistical Mechanics: Theory and Experiment, IOP Science, 2016, pp.073206 We study the transport properties of an impurity in a sheared granular gas, in the framework of the Boltzmann equation for inelastic Maxwell models. We investigate here the impact of a nonequilibrium phase transition found in such systems,

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Topological phase transitions in the 1D multichannel Dirac equation with random mass and a random matrix model

Aur Grabsch 1, 2 Christophe Texier 2 Europhys.Lett., 2016, 〈10.1209/0295-5075/116/17004〉 We establish the connection between a multichannel disordered model —the 1D Dirac equation with $N\times N$ matrix random mass— and a random matrix model corresponding to a deformation of the Laguerre ensemble. This allows us to derive exact determinantal representations for the density of states and identify

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Time and temperature-dependent correlation function of an impurity in a one-dimensional Fermi gas as a Fredholm determinant

O. Gamayun 1 Andrei G. Pronko 2 Mikhail B. Zvonarev 3, 4 New Journal of Physics, Institute of Physics: Open Access Journals, 2016, 18, pp.045005 We investigate a free one-dimensional spinless Fermi gas, and the Tonks-Girardeau gas interacting with a single impurity particle of equal mass. We obtain a Fredholm determinant representation for the time-dependent

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Thermalization and many-body localization in systems under dynamic nuclear polarization

Andrea De Luca 1 Inés Rodríguez-Arias 1 Markus Müller 2, 3, 4 Alberto Rosso 1 Physical Review B : Condensed matter and materials physics, American Physical Society, 2016, 94 (1), pp.014203 1. LPTMS – Laboratoire de Physique Théorique et Modèles Statistiques 2. Paul Scherrer Institute 3. The Abdus Salam International Centre for Theoretical Physics 4.

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The simplest model of jamming

Silvio Franz 1 Giorgio Parisi 2 Journal of Physics A: Mathematical and Theoretical, IOP Publishing, 2016, 49, pp.145001 We study a well known machine learning model -the perceptron- as a simple model of jamming of hard objects. We exhibit two regimes: 1) a convex optimisation regime where jamming is hypostatic and non-critical. 2) a non

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