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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Ergodic and non-ergodic many-body dynamics in strongly nonlinear lattices

## Ergodic and non-ergodic many-body dynamics in strongly nonlinear latticesAdd to your list(s) Download to your calendar using vCal - Remy Dubertrand (Northumbria University)
- Tuesday 18 October 2022, 14:30-15:00
- Seminar Room 1, Newton Institute.
If you have a question about this talk, please contact nobody. HY2W04 - Statistical mechanics, integrability and dispersive hydrodynamics The study of nonlinear oscillator chains in classical many-body dynamics has a storied history going back to the seminal work of Fermi et al. I will introduce a family of new models which consist of chains of N harmonically coupled particles. The nonlinearity is introduced by confining each individual particle inside a prescribed domain. The local dynamics is made of a billiard problem. Those chains exhibit a mixed phase space for any finite value of the number of particles (or sites) for the simplest choice of the billiard (a one-dimensional box). In the continuum limit, this case constitutes a singular limit of the integrable sinh Gordon field theory. In this talk I will present the model and discuss its main thermodynamic properties. This talk is part of the Isaac Newton Institute Seminar Series series. ## This talk is included in these lists:- All CMS events
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