most citedExact zeros of the Loschmidt echo and quantum speed limit time for the dynamical quantum phase transition in finite-size systems

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Exact zeros of the Loschmidt echo and quantum speed limit time for the dynamical quantum phase transition in finite-size systems

Bozhen Zhou, Yumeng Zeng, Shu Chen

We study exact zeros of Loschmidt echo and quantum speed limit time for dynamical quantum phase transition in finite size systems. Our results illustrate that exact zeros of Loschm…