THE MC CALCULATION OF MASS GAP IN 2+1 DIMENSIONAL SU(2) LATTICE GAUGE THEORY

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LI Zhi-Bing, ZHENG Wei-Hong and GUO Shuo-Hong. THE MC CALCULATION OF MASS GAP IN 2+1 DIMENSIONAL SU(2) LATTICE GAUGE THEORY[J]. Chinese Physics C, 1989, 13(4): 316-319.
LI Zhi-Bing, ZHENG Wei-Hong and GUO Shuo-Hong. THE MC CALCULATION OF MASS GAP IN 2+1 DIMENSIONAL SU(2) LATTICE GAUGE THEORY[J]. Chinese Physics C, 1989, 13(4): 316-319. shu
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Received: 1900-01-01
Revised: 1900-01-01
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THE MC CALCULATION OF MASS GAP IN 2+1 DIMENSIONAL SU(2) LATTICE GAUGE THEORY

    Corresponding author: LI Zhi-Bing,
  • Zhongshan University,Guang Zhou

Abstract: By combining Monte Carlo method and variational method,we calculate the mass gap of SU(2) lattice gauge theory in 18*18 lattice of 2+1 dimensions by means of the icosaheral subgroup (Y120) using a hamiltonian of which the ground state is exactly known.In the range 0<1/g2,we obtain the results which are in good agreement with analytical calculation of SU(2) group.The scaling behaviour of mass gap am=2.3g2 is confirmed.

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