On the Roughening Transition in Nonabelian Lattice Gauge Theories
Oct, 198011 pages
Published in:
- Nucl.Phys.B 180 (1981) 330-340
- Published: 1981
Report number:
- DESY-80-97
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Abstract: (Elsevier)
We estimate the location β R = ( g R 2 N ) −1 of the recently discussed roughening transition for SU( N ) lattice gauge theories in ν = 3 and 4 dimensions. The obtained values always lie in the crossover region where the string tension starts to deviate significantly from the leading strong coupling behaviour. β R ( N ) increases as N increases, tending to a finite limit (≈0.38 for ν = 4) as N → ∞. Results for the solid on solid model (SOS) approximation are also presented and shown to give a good qualitative description; however, group theoretical effects seem to be important for quantitative estimates.- LATTICE FIELD THEORY
- GAUGE FIELD THEORY: NONABELIAN
- GAUGE FIELD THEORY: SU(N)
- GAUGE FIELD THEORY: THREE-DIMENSIONAL
- GAUGE FIELD THEORY: FOUR-DIMENSIONAL
- GAUGE FIELD THEORY: ROUGHENING TRANSITION
- MODEL: STRONG COUPLING
- STRONG COUPLING: MODEL
- MODEL: STRING
- NUMERICAL CALCULATIONS
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