discretization effect
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2019 ◽  
Vol 23 (8) ◽  
Author(s):  
Xuan Li ◽  
Yuxin Mao ◽  
Zhicheng Zhu ◽  
Yinghui Zhang ◽  
Zecong Fang ◽  
...  

2018 ◽  
Vol 175 ◽  
pp. 10003 ◽  
Author(s):  
Katsumasa Nakayama ◽  
Shoji Hashimoto ◽  
Hidenori Fukaya

We compute the Dirac spectral density of QCD in a wide range of eigenvalues by using a stochastic method. We use 2+1 flavor lattice ensembles generated with Mobius domain-wall fermion at three lattice spacings (a = 0:083; 0:055; 0:044 fm) to estimate the continuum limit. The discretization effect can be minimized by a generalization of the valence domain-wall fermion. The spectral density at relatively high eigenvalues can be matched with perturbation theory. We compare the lattice results with the perturbative expansion available to O(α4s).


Automatica ◽  
2016 ◽  
Vol 68 ◽  
pp. 203-208 ◽  
Author(s):  
Yan Yan ◽  
Zbigniew Galias ◽  
Xinghuo Yu ◽  
Changyin Sun

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