Dynamics of coherence: Maximal quantum Fisher information versus Loschmidt echo
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DOI: 10.1103/physrevb.102.024304
Abstract: We consider the dynamics of maximal quantum Fisher information (MQFI) after sudden quenches for the one-dimensional transverse-field Ising model. Our results show, the same as Loschmidt echo, that there is a universality for the revival… read more here.
Keywords: quantum; quantum fisher; fisher information; maximal quantum ... See more keywords