The Phase Structure of Z(N) Lattice Gauge Theories by Variational Cumulant Expansion |
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| Authors: | Chi-min WU Pei-ying ZHA |
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| Institution: | 1. Center of Theoretical Physics, CCAST (World Lab.), Beijing;
2. Institute of High Energy Physics, Academia Sinica, Beijing 100039, China |
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| Abstract: | In the variational cumulant expansion approach, we get the phase structure of Z(N) lattice gauge theories analytically in four dimensions. The comparison with MC data is also presented. |
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