Gauge invariance and mass without spontaneous symmetry breaking
Journal Article
·
· Phys. Rev. Lett.; (United States)
In this letter a manifestly covariant quantization of electrodynamics is studied, starting from a gauge-invariant Lagrangian. In this framework, it is found that the photon can have a nonzero bare mass, while maintaining gauge invariance. It is then observed that these ideas can be used in other theories with U(1) local gauge invariance, including chiral symmetries, in order to have mass and gauge invariance without having to introduce spontaneous symmetry breaking. Local baryon symmetry is considered.
- Research Organization:
- Departamento de Fisica, Facultad de Ciencias Fisicas y Matematicas, Universidad de Chile, Castilla 5487, Santiago, Chile
- OSTI ID:
- 5994986
- Journal Information:
- Phys. Rev. Lett.; (United States), Vol. 43:8
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
QUANTUM ELECTRODYNAMICS
GAUGE INVARIANCE
EQUATIONS OF MOTION
HAMILTONIANS
LAGRANGIAN FIELD THEORY
LAGRANGIAN FUNCTION
MASS
MAXWELL EQUATIONS
PHOTONS
PROPAGATOR
RARITA-SCHWINGER THEORY
SPINORS
SYMMETRY BREAKING
U-1 GROUPS
DIFFERENTIAL EQUATIONS
ELECTRODYNAMICS
ELEMENTARY PARTICLES
EQUATIONS
FIELD THEORIES
FUNCTIONS
INVARIANCE PRINCIPLES
LIE GROUPS
MASSLESS PARTICLES
MATHEMATICAL OPERATORS
QUANTUM FIELD THEORY
QUANTUM OPERATORS
SYMMETRY GROUPS
U GROUPS
645400* - High Energy Physics- Field Theory
QUANTUM ELECTRODYNAMICS
GAUGE INVARIANCE
EQUATIONS OF MOTION
HAMILTONIANS
LAGRANGIAN FIELD THEORY
LAGRANGIAN FUNCTION
MASS
MAXWELL EQUATIONS
PHOTONS
PROPAGATOR
RARITA-SCHWINGER THEORY
SPINORS
SYMMETRY BREAKING
U-1 GROUPS
DIFFERENTIAL EQUATIONS
ELECTRODYNAMICS
ELEMENTARY PARTICLES
EQUATIONS
FIELD THEORIES
FUNCTIONS
INVARIANCE PRINCIPLES
LIE GROUPS
MASSLESS PARTICLES
MATHEMATICAL OPERATORS
QUANTUM FIELD THEORY
QUANTUM OPERATORS
SYMMETRY GROUPS
U GROUPS
645400* - High Energy Physics- Field Theory