Glueball Mass in Improved <EM>SU</EM>(3) Lattice Hamiltonian in 2+1 Dimensional

LIU Jin-Ming; LI Jie-Ming; GUO Shuo-Hong

Chinese Physics C> 2001, Vol. 25> Issue(5) : 383-387

Glueball Mass in Improved SU(3) Lattice Hamiltonian in 2+1 Dimensional

Department of Physics, Zhongshan University, Guangzhou 510275, China

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Abstract：
An improved lattice Hamiltonian is applied to the SU(3) lattice gauge theory in 2+1 dimensions. The glueball masses of 0⁺ and 0^－ have been calculated by using the coupled-clusters expansion with the truncated eigenvalue equations in a scheme preserving the continuum limit. The calculations up to third-order are carried out, and the results show better scaling behavior than that given by non-improved one.

References

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[20]	LIU Jin-Ming , ZHENG Wei-Hong , GUO Shuo-Hong . THE MASS GAP IN 2+1 DIMENSIONAL SU(3) LATTICE CAUGE THEORY. Chinese Physics C, 1988, 12(3): 420-424.

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LIU Jin-Ming, LI Jie-Ming and GUO Shuo-Hong. Glueball Mass in Improved SU(3) Lattice Hamiltonian in 2+1 Dimensional[J]. Chinese Physics C, 2001, 25(5): 383-387.

LIU Jin-Ming, LI Jie-Ming and GUO Shuo-Hong. Glueball Mass in Improved SU(3) Lattice Hamiltonian in 2+1 Dimensional[J]. Chinese Physics C, 2001, 25(5): 383-387. shu

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Received: 2000-03-08
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Glueball Mass in Improved SU(3) Lattice Hamiltonian in 2+1 Dimensional

Corresponding author: LIU Jin-Ming,

Department of Physics, Zhongshan University, Guangzhou 510275, China

Received Date: 2000-03-08
Accepted Date: 1900-01-01
Available Online: 2001-05-05

Abstract: An improved lattice Hamiltonian is applied to the SU(3) lattice gauge theory in 2+1 dimensions. The glueball masses of 0⁺ and 0^－ have been calculated by using the coupled-clusters expansion with the truncated eigenvalue equations in a scheme preserving the continuum limit. The calculations up to third-order are carried out, and the results show better scaling behavior than that given by non-improved one.