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April 2012 Volume 8 No 4

How quantum many-body systems relax from an initial non-equilibrium state is one of the outstanding problems in quantum statistical physics. A study combining an experimental approach for monitoring the dynamics of strongly correlated cold atoms with theoretical analysis now provides quantitative insight. Article p325

IMAGE: JENS EISERT, IMMANUEL BLOCH, STEFAN TROTZKY, ULRICH SCHOLLWÖCK, ANDREAS FLESCH AND YU-AO CHEN

COVER DESIGN: ALLEN BEATTIE