Non-equilibrium Dynamics in Optical Lattices:
From Ratchets to Anomalous Diffusion

One-day meeting of the London Dynamical Systems Group
Supported by The Leverhulme Trust and
the London Mathematical Society
To be held on Tuesday, 3rd May 2011 at the University College London


Ferruccio Renzoni
Department of Physics and Astronomy
University College London
f.renzoni @

Rainer Klages
School of Mathematical Sciences
Queen Mary University of London

r.klages @

Brief description of the main theme of this meeting:
This workshop aims to bring together people from the different fields of dynamical systems, stochastic theory, cold-atom physics and statistical physics on the study of non-equilibrium dynamics in optical lattices. The focus will be on three different aspects of the problem: (1) ratchets, (2) high frequency fields, and (3) anomalous diffusion.
Postdocs and PhD students from different backgrounds will be strongly encouraged to participate. In this way, they will have the opportunity to learn about the different aspects of the workshop topic, and they will hear from experts in the field what the challenges of the future are. We also expect a significant attendance from senior researchers, mostly from the London area, active in the study of such systems. The interaction with other researchers will also allow the participants to identify common research interests and initiate new collaborations.

Organizational details:
All talks will be held in room E7 in the Physics department of UCL (located on the ground floor of the physics building).
Registration is free. However, please confirm your attendance by e-mail to the organizers for catering purposes.

All talks are for 40 minutes with up to 5 minutes of discussion.
Welcome: Tea and coffee in room E7, ground floor physics building
David Cubero (Departamento de Fisica Aplicada I, Universidad de Sevilla, Spain)
Current reversals in rocking ratchets: dynamical vs symmetry-breaking mechanisms
Alejandro Kolton (Centro Atomico Bariloche, Rio Negro, Argentina)
Dynamics stabilization and transport coherency in a rocking ratchet for cold atoms
11.30-12.00Tea and Coffee
12:00-12.45 Jesus Casado-Pascual (Fisica Teorica, Universidad de Sevilla, Spain)
Effect of high-frequency magnetic field on the resonant behavior displayed by a spin-1/2 particle under the influence of a rotating magnetic field
14.15-15.00Rosemary Harris (Queen Mary University of London)
Fourier's law on a one-dimensional optical random lattice
15.00-15.45Eric Lutz (University of Augsburg, Germany)
Anomalous diffusion in optical lattices
15.45-16.15Tea and coffee
16.15-17.00Rainer Klages (Queen Mary University of London)
Fluctuation relations for anomalous dynamics
Drinks, discussions and dinner

This is part of a series of collaborative meetings held by the London Dynamical Systems Group (LDSG) which consists of the Dynamical Systems groups at Imperial, Queen Mary, Surrey and UCL, and which is supported by a Scheme 3 grant from the London Mathematical Society.

Last update: 19 April 2011