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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　Kogut J,Susskind L.Phys.Rev.,1975,D11:395　 2　Symmanzik K,Nucl.Phys.,1983,B22 6:1 87　 3　Hamber H,WU C M.Phys.Lett.,1983,B133:351　 4　Lapage G P.Schladming Winter School Lectures,1996　 5　LUO X Q et al.Phys.Rev.,1999,D59:034 503 6　LIU Jin Ming et al.CCAST-WL Workshop Serise; Experimental and Theoretical Study of Glueballs(II),1999　 7　JIANG Jun Qin et al.High Energy Phys.and Nucl.Phys.,1999,23(12):1152(in Chinese)(江俊勤等.高能物理与核物理,1 999,23(12):1152)　 8　LI Jie Ming et al.Commun Theor.Phys.,Calculation of Vacuum Wavefunction and Mass Gap from Improved 2+1 D SU(2)Lattice Gauge Field Hamil tonian.(to be Published) 　9　CHEN Q Z et al.Phys.Lett.,1995,B348:560 10　LIU Jin Ming et al.High Energy Phys.and Nucl.Phys.,1988,12(3):420(in Chinese)(刘金明等.高能物理与核物理,1988,12(3):420)

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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.