most citedAvoided crossings and dynamical tunneling close to excited-state quantum phase transitions

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quant-ph2021★ 22 cited

Avoided crossings and dynamical tunneling close to excited-state quantum phase transitions

D. J. Nader, C. A. González-Rodríguez, S. Lerma-Hernández

Using the Wherl entropy, we study the delocalization in phase-space of energy eigenstates in the vicinity of avoided crossing in the Lipkin-Meshkov-Glick model. These avoided cross…