Exact infinite-time statistics of the Loschmidt echo for a quantum quench
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Transition to chaos of coupled oscillators: an operator fidelity susceptibility study
Phys. Rev. E 82, 056204 (2010)
Scaling of the fidelity susceptibility in a disordered quantum spin chain
Phys. Rev. B 79, 184427 (2009)
Fidelity approach to the disordered quantum XY model
Phys. Rev. Lett. 102, 057205 (2009)