Springer Verlag, Journal of Statistical Physics, 1(147), p. 1-17
DOI: 10.1007/s10955-012-0458-1
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We determine the finite size corrections to the large deviation function of the activity in a kinetically constrained model (the Fredrickson-Andersen model in one dimension), in the regime of dynamical phase coexistence. Numerical results agree with an effective model where the boundary between active and inactive regions is described by a Brownian interface. ; Comment: Version 2: references added, section 1.1 and 2.1 extended. Accepted for publication in Journal of Statistical Physics