A DISCUSSION ABOUT CUMULANT EXPANSION N ITHE LATTICE GAUGE THEORY |
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| Authors: | Chi-min WU Pei-ying ZHAO |
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| Institution: | Institute of High Energy Physics, Academia Sinica, Beijing, China |
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| Abstract: | We calculate SU(2) average plaquette energyp> in temporal gauge by using cumulant expansion in lattice gauge theory. Comparing with Refs.3,4], the discontinuity moves to the point at β-7.It shows that this is not the proper singularity of the theory,but due to the fact that only finite terms of cumulant series are taken into account in calculations. |
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