Analytic calculation of the vacuum wave function for (2+1)-dimensional SU(2) lattice gauge theory

1994 ◽  
Vol 49 (1) ◽  
pp. 507-510 ◽  
Author(s):  
Shuo-Hong Guo ◽  
Qi-Zhou Chen ◽  
Lei Li
Keyword(s):  
Wave Function ◽  
Gauge Theory ◽  
Lattice Gauge Theory ◽  
Analytic Calculation ◽  
Lattice Gauge

Vacuum wave function and mass gaps of U(1) lattice gauge theory in 2+1 dimensions

1996 ◽  
Vol 53 (3) ◽  
pp. 1523-1527 ◽  
Author(s):  
Xi-Yan Fang ◽  
Jin-Ming Liu ◽  
Shuo-Hong Guo
Keyword(s):  
Wave Function ◽  
Gauge Theory ◽  
Lattice Gauge Theory ◽  
Lattice Gauge

Fourth-order calculation of the vacuum wave function and mass gap of SU(2) lattice gauge theory in 2+1 dimensions

1994 ◽  
Vol 50 (5) ◽  
pp. 3564-3565 ◽  
Author(s):  
Qi-Zhou Chen ◽  
Shuo-Hong Guo ◽  
Wei-Hong Zheng ◽  
Xi-Yan Fang
Keyword(s):  
Wave Function ◽  
Gauge Theory ◽  
Fourth Order ◽  
Lattice Gauge Theory ◽  
Mass Gap ◽  
Lattice Gauge ◽  
Order Calculation

COUPLED CLUSTER EXPANSIONS FOR (2 + 1) DIMENSIONAL U(1) LATTICE GAUGE THEORY WITH IMPROVED HAMILTONIAN

2000 ◽  
Vol 15 (11n12) ◽  
pp. 737-745 ◽  
Author(s):  
XI-YAN FANG ◽  
SHUO-HONG GUO ◽  
JIN-MING LIU
Keyword(s):  
Wave Function ◽  
Gauge Theory ◽  
Lattice Gauge Theory ◽  
Cluster Method ◽  
Coupled Cluster ◽  
Coupled Cluster Method ◽  
Cluster Expansions ◽  
Lattice Gauge ◽  
Seventh Order

Using coupled cluster method, we calculate the vacuum wave function and the mass gaps of (2 + 1)-dimensional U(1) lattice gauge theory with improved Hamiltonian up to the seventh order. The results are compared with those from the unimproved Hamiltonian.

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