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Renormalization Group analysis of scalar field theories out of equilibrium

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  • UserFernando Caballero, DAMTP
  • ClockTuesday 30 October 2018, 13:00-14:00
  • HouseMR11, CMS.

If you have a question about this talk, please contact Etienne Fodor .

We consider scalar field theories that minimally break time reversal symmetry by means of a low gradient expansion of a background equilibrium dynamics. Using dynamical renormalization, we will show how this equilibrium breaking changes the structure of the flow of the background phi^4 theory. In particular, the Wilson Fisher fixed point splits into a more than one fixed points, one of them controlling a nonequilibrium phase transition, somewhat resembling the equilibrium Lifshitz fixed point that regulates a transition between bulk phase separation and micro-phase separation. This predicts a new universality class that controls the transition between non equilibrium bulk phase separation and micro-phase separation.

This talk is part of the DAMTP Statistical Physics and Soft Matter Seminar series.

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