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20042023
most citedThe Variational Quantum Eigensolver: a review of methods and best practices

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quant-ph2005★ 34 cited

Characterizing entanglement by momentum-jump in the frustrated Heisenberg ring at quantum phase transition

Xiao-Feng Qian, Tao Shi, Ying Li +2

We study the pairwise concurrences, a measure of entanglement, of the ground states for the frustrated Heisenberg ring to explore the relation between entanglement and quantum phas…