Improved gauge actions on anisotropic lattices. II.ηin the medium coupling region
نویسندگان
چکیده
منابع مشابه
Improved gauge actions on anisotropic lattices . II . h in the medium coupling region
For improved actions composed of plaquette and rectangular six-link loops, h , the ratio of renormalized to bare anisotropies, is calculated for j52, 3, 4, and 6 in the b region where numerical simulations such as hadron spectroscopy are currently carried out. The b dependence of h for the renormalization-group-improved actions is quite different from those of the standard and Symanzik actions....
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On anisotropic lattices with the anisotropy ξ = a σ /a τ the following basic parameters are calculated by perturbative method: (1) the renormalization of the gauge coupling in spatial and temporal directions , g σ and g τ , (2) the Λ parameter, (3) the ratio of the renormalized and bare anisotropy η = ξ/ξ B and (4) the derivatives of the coupling constants with respect to ξ, ∂g −2 σ /∂ξ and ∂g ...
متن کاملImproved gauge action on an anisotropic lattice II - Anisotropy parameter in the medium coupling region
The quantum correction of the anisotropy parameter, η, is calculated for ξ = 2 and 3 in the β region where numerical simulations such as hadron spectroscopy are currently carried out, for the improved actions composed of plaquette and rectangular 6-link loops. The β dependences of η for the renormalization group improved actions are quite different from those of the standard and Symanzik action...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2004
ISSN: 1550-7998,1550-2368
DOI: 10.1103/physrevd.69.114504