Reduced Fidelity Susceptibility in One-Dimensional Transverse Field Ising Model |
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Authors: | MA Jian XU Lei WANG Xiao-Guang |
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Affiliation: | Zhejiang Institute of Modern Physics, Department of Physics, Zhejiang University, Hangzhou 310027, China |
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Abstract: | 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 behaviors of the susceptibility take the form of square of logarithm, in contrast with the global ground-state fidelity susceptibility which is power divergence. In order to perform a scaling analysis, we take the square root of the susceptibility and determine the scaling exponent analytically and the result is further confirmed by numerical calculations. |
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Keywords: | reduced fidelity quantum phase transition transverse field Ising model |
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