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2. Detection of Quantum Phase Transition by Excited State

Author

Jie Quanlin and Qiao Jie

Subjects
Physics, Quantum phase transition, Density matrix, Excited state, Cluster (physics), General Physics and Astronomy, Embedding theory, Ground state, Molecular physics
Abstract

We detect the quantum phase transition of the ground state from the excited state by using the cluster density matrix embedding theory to calculate the excited state of the J1 − J2 model. By analyz...

Published
2021

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