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9 papers · 2 filters
Scaling Solutions of Inelastic Boltzmann Equations with Over-populated High Energy Tails
M. H. Ernst, R. Brito
This paper deals with solutions of the nonlinear Boltzmann equation for spatially uniform freely cooling inelastic Maxwell models for large times and for large velocities, and the…
Velocity Tails for Inelastic Maxwell Models
Matthieu H. Ernst, Ricardo Brito
We study the velocity distribution function for inelastic Maxwell models, characterized by a Boltzmann equation with constant collision rate, independent of the energy of the colli…
Quantum Spin Nematic States in Bose-Einstein Condensates
Fei Zhou
We review some recent results on discrete symmetries and topological order in spinor Bose-Einstein condensates (BECs) of . For spin one bosons with two-body scatterings do…
Stochastic Dynamics of a Trapped Bose-Einstein Condensate
R. A. Duine, H. T. C. Stoof
We present a variational solution of the Langevin field equation describing the nonequilibrium dynamics of a harmonically trapped Bose-Einstein condensate. If the thermal cloud rem…
Randomly Driven Granular Fluids: collisional statistics and short scale structure
I. Pagonabarraga, E. Trizac, T. P. C. van Noije +1
We present a molecular dynamics and kinetic theory study of granular material, modeled by inelastic hard disks, fluidized by a random driving force. The focus is on collisional ave…
Diffusion with random distribution of static traps
G. T. Barkema, Parthapratim Biswas, Henk van Beijeren
The random walk problem is studied in two and three dimensions in the presence of a random distribution of static traps. An efficient Monte Carlo method, based on a mapping onto a…