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The Mass Gap of SU(2) Lattice Gauge Theory in 2+1 Dimensions |
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| Authors: | FANG XiYan GUO ShuoHong PAN ZhiGang |
| Institution: | Department of Physics, Zhongshan University, Guangzhou 510275, China |
| Abstract: | Coupled cluster expansions are applied to study the eigenvalue problem of the Hamiltonian lattice gauge theory with the orthogonal D-loop basis being used to expand wavefunctions. The 0++ bound state wavefunction and its mass gap relative to the vacuum of SU(2) lattice gauge theory in 2+1 dimensions are calculated up to the 7th order. |
| Keywords: | lattice gauge theory coupled cluster expansion D-loop basis |
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