0++ Glueball Mass in 2+1-D SU(3) LGT

  • 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.
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  • [1] . Greensite J P.Nucl.Phys.,1980,B166:113—1242. Llewellyn SmithC.H,Watson N.J.Phys.Lett.,(1993)B302:463—4713. GUOSH,CHENQZ,LIL.Phys.Rev.,1994,D49(1):507—5104. CHEN Q Z,GUOSH,ZHENG W H et al.Phys.Rev.,1994,D50(5):3564—35655. CHEN Q Z,CAIPF,Fang X Y,et al.Commun.Theor.Phys.,1997,27:337—3426. CHEN Q Z,LUOXQ,GUOSH.Phys.Lett.,1995,B348:560—5648. HUI Ping.CHEN QiZhou High Energy Phys.and Nucl.Phys(inChinese),1995,19(9):820—825(惠萍,陈启洲.高能物理与核物理,1995,19(9):820—825)9. HUI Ping,High Energy Phys.and Nucl.Phys(in Chinese),1998,22(4):322—325(惠萍.高能物理与核物理,1998,22(4):322—325)10. HU Lian,LUO XiangQian,CHEN QiZhou et al.Commun.Theor.Phys.,1997,28:327—33211. LUO XiangQian,CHEN QiZhou,CAI PengFei et al.Commun.Theor.Phys.,1998,29:595—600
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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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0++ Glueball Mass in 2+1-D SU(3) LGT

    Corresponding author: HUI Ping,
  • Department of Physics,Guangdong Education College,Guangzhou 510303,China2 Department of Physics,Zhongshan University,Guangzhou 510275,China

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.

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