Two new papers on the observation of prethermalization:

Prethermalization in one-dimensional Bose gases: description by a stochastic Ornstein-Uhlenbeck process
T. Langen, M. Gring, M. Kuhnert, B. Rauer, R. Geiger, D. Adu Smith, I. E. Mazets, and J. Schmiedmayer
Eur. Phys. J. Special Topics 217, 43 (2013)

Prethermalization revealed by the relaxation dynamics of full distribution functions
D Adu Smith, M Gring, T Langen, M Kuhnert, B Rauer, R Geiger, T Kitagawa, I Mazets, E Demler and J Schmiedmayer
New J. Phys. 15, 075011 (2013)