Real-time quantum evolution in the classical approximation and beyond
We acknowledge financial support from the MCINN Grants No. FPA2009-08785 and No. FPA2009-09017, the Comunidad Autonoma de Madrid under the Program No. HEPHACOS S2009/ESP- 1473, and the European Union under Grant Agreement No. PITN-GA-2009-238353 (ITN STRONGnet). The authors participate in the Consolider-Ingenio 2010 CPAN (CSD2007-00042). We acknowledge the use of the IFT clusters for part of our numerical results