Non-perturbative fixed point in a non-equilibrium phase transition
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We apply the non-perturbative renormalization group method to a class of out-of-equilibrium phase transitions (usually called ``parity conserving'' or, more properly, ``generalized voter'' class) which is out of the reach of perturbative approaches. We show the existence of a genuinely non-perturbative fixed point, i.e. a critical point which does not seem to be Gaussian in any dimension.
4 pages, 2 figures. Submitted version with slightly amended discussion on earlier perturbative renormalisation group results
4 pages, 2 figures. Submitted version with slightly amended discussion on earlier perturbative renormalisation group results