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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Integrability of a deterministic cellular automaton driven by stochastic boundaries

## Integrability of a deterministic cellular automaton driven by stochastic boundariesAdd to your list(s) Download to your calendar using vCal - Tomaz Prosen (University of Ljubljana )
- Wednesday 13 January 2016, 15:00-16:00
- Seminar Room 1, Newton Institute.
If you have a question about this talk, please contact INI IT. QIMW01 - Quantum integrable models in and out of equilibrium We propose an interacting many-body space-time-discrete Markov chain model, which is composed of an integrable deterministic and reversible cellular automaton (the rule 54 of [Bobenko et al, CMP 158 , 127 (1993)]) on a finite one-dimensional lattice Z_2^n, and local stochastic Markov chains at the two lattice boundaries which provide chemical baths for absorbing or emitting the solitons. Ergodicity and mixing of this many-body Markov chain is proven for generic values of bath parameters, implying existence of a unique non-equilibrium steady state. The latter is constructed exactly and explicitly in terms of a particularly simple form of matrix product ansatz which is termed a patch ansatz. This gives rise to an explicit computation of observables and k-point correlations in the steady state as well as the construction of a nontrivial set of local conservation laws. Feasibility of an exact solution for the full spectrum and eigenvectors (decay modes) of the Markov matrix is sug gested as well. We conjecture that our ideas can pave the road towards a theory of integrability of boundary driven classical deterministic lattice systems. 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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