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We analyze the dynamics of the return amplitude following a sudden quench in the three-state quantum Potts chain. For quenches crossing the quantum critical point from the paramagnetic to the… Click to show full abstract
We analyze the dynamics of the return amplitude following a sudden quench in the three-state quantum Potts chain. For quenches crossing the quantum critical point from the paramagnetic to the ferromagnetic phase, the corresponding rate function is non-analytic at critical times and behaves linearly in their vicinity. In particular, we find no indication of a link between the time evolution close to the critical times and the scaling properties of the quantum critical point in the Potts chain.
Keywords:
phase;
dynamical quantum;
potts chain;
potts;
quantum potts
Journal Title: Physical Review B
Year Published: 2017
Link to full text (if available)
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Journal Title: Physical Review B
Year Published: 2017
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!