From Light-Cone to Supersonic Propagation of Correlations by Competing Short- and Long-Range Couplings.
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DOI: 10.1103/tt11-vcpr
Abstract: We investigate the dynamical spreading of correlations in many-body quantum systems with competing short- and global-range couplings. We monitor the nonequilibrium dynamics of the correlations following a quench, showing that for strong short-range couplings the… read more here.
Keywords: light cone; competing short; range couplings; propagation correlations ... See more keywords