First verification of generic fidelity recovery in a dynamical system

Details First verification of generic fidelity recovery in a dynamical system First verification of generic fidelity recovery in a dynamical system

2006-02-28

arxiv.org/abs/quant-ph/0602234v1

Phys. Rev. E 73(6), 066120 (2006)

Physics

Quantum Physics

6 pages, 6 figures

Scientific paper

10.1103/PhysRevE.73.066120

We study the time evolution of fidelity in a dynamical many body system,
namely a kicked Ising model, modified to allow for a time reversal invariance
breaking. We find good agreement with the random matrix predictions in the
realm of strong perturbations. In particular for the time-reversal symmetry
breaking case the predicted revival at Heisenberg time is clearly seen.

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