Generalized Lorentz-Dirac Equation for a Strongly Coupled Gauge Theory
Journal Article
·
· Physical Review Letters
- Departamento de Fisica de Altas Energias, Instituto de Ciencias Nucleares, Universidad Nacional Autonoma de Mexico, Apartado Postal 70-543, Mexico Distrito Federal 04510 (Mexico)
We derive a semiclassical equation of motion for a 'composite' quark in strongly coupled large-N{sub c} N=4 super Yang-Mills theory, making use of the anti-de Sitter space/conformal field theory correspondence. The resulting nonlinear equation incorporates radiation damping, and reduces to the standard Lorentz-Dirac equation for external forces that are small on the scale of the quark Compton wavelength, but has no self-accelerating or preaccelerating solutions. From this equation one can read off a nonstandard dispersion relation for the quark, as well as a Lorentz-covariant formula for its radiation rate.
- OSTI ID:
- 21346966
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 24 Vol. 102; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANTI DE SITTER SPACE
APPROXIMATIONS
CALCULATION METHODS
COMPTON WAVELENGTH
CONFORMAL INVARIANCE
DIFFERENTIAL EQUATIONS
DIRAC EQUATION
DISPERSION RELATIONS
EQUATIONS
EQUATIONS OF MOTION
FERMIONS
FIELD EQUATIONS
FIELD THEORIES
GAUGE INVARIANCE
INVARIANCE PRINCIPLES
MATHEMATICAL SPACE
NONLINEAR PROBLEMS
PARTIAL DIFFERENTIAL EQUATIONS
QUANTUM FIELD THEORY
QUARKS
SEMICLASSICAL APPROXIMATION
SPACE
WAVE EQUATIONS
YANG-MILLS THEORY
ANTI DE SITTER SPACE
APPROXIMATIONS
CALCULATION METHODS
COMPTON WAVELENGTH
CONFORMAL INVARIANCE
DIFFERENTIAL EQUATIONS
DIRAC EQUATION
DISPERSION RELATIONS
EQUATIONS
EQUATIONS OF MOTION
FERMIONS
FIELD EQUATIONS
FIELD THEORIES
GAUGE INVARIANCE
INVARIANCE PRINCIPLES
MATHEMATICAL SPACE
NONLINEAR PROBLEMS
PARTIAL DIFFERENTIAL EQUATIONS
QUANTUM FIELD THEORY
QUARKS
SEMICLASSICAL APPROXIMATION
SPACE
WAVE EQUATIONS
YANG-MILLS THEORY