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Article overview
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Flow Equations for Gluodynamics in the Coulomb Gauge | Elena Gubankova
; Chueng-Ryong Ji
; Stephen R. Cotanch
; | Date: |
30 Mar 2000 | Journal: | Phys.Rev. D62 (2000) 074001 | Subject: | hep-ph | Abstract: | A systematic procedure to consistently formulate a field theoretical, QCD bound state problem with a fixed number of constituents is outlined. The approach entails applying the Hamiltonian flow equations, which are a set of continuous unitary transformations, to a QCD motivated Hamiltonian with a confining interaction. The method is developed in detail for gluodynamics in the Coulomb gauge to obtain an effective block-diagonal Hamiltonian appropriate to a reduced Fock space with fixed number of dynamical gluons. Standard many-body techniques are used to numerically diagonalize this Hamiltonian in a constituent two gluon Fock space. The calculated gluon condensates and glueball masses are in good agreement with QCD sum rule and lattice results. | Source: | arXiv, hep-ph/0003289 | Services: | Forum | Review | PDF | Favorites |
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