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quant-ph2008★ 1 cited
Reduced fidelity susceptibility in the one-dimensional transverse field Ising model
Jian Ma, Lei Xu, Xiaoguang Wang
We study critical behaviors of the reduced fidelity susceptibility for two neighboring sites in the one-dimensional transverse field Ising model. It is found that the divergent beh…
quant-ph2008★ 45 cited
Reduced fidelity susceptibility and its finite-size scaling behaviors
Jian Ma, Lei Xu, Hengna Xiong +1
We derive a general formula of the reduced fidelity susceptibility when the reduced density matrix is block-diagonal. By using this result and the continuous unitary tra…