Non-Markovian effects in the growth of a polymer chain
  Using a simple exactly solvable model, we show that event-dependent time delays may lead to significant non-Poisson effects in the statistics of polymer chain growth. The results are confirmed by stochastic simulation of various growth scenarios. 
D. Sokolovski, S. Rusconi, E. Akhmatskaya and J. M. Asua
cond-mat.stat-mech