Nonequilibrium Central Limit Theorem for a Tagged Particle in Symmetric   Simple Exclusion
  We prove a nonequilibirum central limit theorem for the position of a tagged particle in the one-dimensional nearest-neighbor symmetric simple exclusion process under diffusive scaling starting from a Bernoulli product measure associated to a smooth profile $\rho_0:\bb R\to [0,1]$. 
M. D. Jara, C. Landim