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We have a quantum system consists of quantum oscillators. Such system is described by its canonical position and momentum variables for each oscillators. The state of the system is described by...
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The main quantity in the study of dynamical quantum phase transition (DQPT) is Loschmidt echo amplitude defined as $G(t)=\langle \Psi_{0}|\Psi_{0}(t)\rangle=\langle...
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