0<SUP>++</SUP> Glueball Mass in 2+1-D SU(3) LGT

HUI Ping; CHEN QiZhou

Chinese Physics C> 2000, Vol. 24> Issue(9) : 805-809

0⁺⁺ Glueball Mass in 2+1-D SU(3) LGT

HUI Ping ^, ,
CHEN QiZhou

Department of Physics,Guangdong Education College,Guangzhou 510303,China2 Department of Physics,Zhongshan University,Guangzhou 510275,China

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Abstract：
The coupled cluster method is improved to calculate 0⁺⁺glueball mass m/e² in 2+1-D SU(3) lattice gauge theory. In this method, we take the linear combination of connected hollow graphs as trial wavefunction and introduce the average for small wilson loop. The second order and the third order 0⁺⁺ glueball masses (m/e²) as the function of the coupling constant β=6/g² show good scaling behavior and good convergent behavior. The vacuum energy W₀obtained by this method is lower than that by common method.

References

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HUI Ping and CHEN QiZhou. 0⁺⁺ Glueball Mass in 2+1-D SU(3) LGT[J]. Chinese Physics C, 2000, 24(9): 805-809.

HUI Ping and CHEN QiZhou. 0⁺⁺ Glueball Mass in 2+1-D SU(3) LGT[J]. Chinese Physics C, 2000, 24(9): 805-809. shu

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Received: 1999-06-18
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

0⁺⁺ Glueball Mass in 2+1-D SU(3) LGT

HUI Ping ^,
CHEN QiZhou

Corresponding author: HUI Ping,

Department of Physics,Guangdong Education College,Guangzhou 510303,China2 Department of Physics,Zhongshan University,Guangzhou 510275,China

Received Date: 1999-06-18
Accepted Date: 1900-01-01
Available Online: 2000-09-05

Abstract: The coupled cluster method is improved to calculate 0⁺⁺glueball mass m/e² in 2+1-D SU(3) lattice gauge theory. In this method, we take the linear combination of connected hollow graphs as trial wavefunction and introduce the average for small wilson loop. The second order and the third order 0⁺⁺ glueball masses (m/e²) as the function of the coupling constant β=6/g² show good scaling behavior and good convergent behavior. The vacuum energy W₀obtained by this method is lower than that by common method.