Published 1993
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'Dressing' and bound states in quantum field theory
Description
The program of introducing 'dressed' particles (instead of 'bare' ones) was suggested earlier by L. Faddev et al. It is modified here for the case when 'dressed' states can decay. On the basis of this 'dressing' formalism, a new approach is proposed to the problem of bound states in field theories such as the hydrogen atom and the positronium in QED or hadrons in QCD. Peculiarities of this approach as compared to the known ones are discussed. 22 refs
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Additional details
Publishing Information
- Imprint Pagination
- 18 p.
- Report number
- JINR-E--4-93-55
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- Russian Federation
- INIS RN
- 25045601
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- ANNIHILATION OPERATORS; BOUND STATE; COMMUTATION RELATIONS; COULOMB SCATTERING; CREATION OPERATORS; ELECTRONS; HAMILTONIANS; PARTICLE INTERACTIONS; POSITRONIUM; QUANTUM FIELD THEORY; RADIATIVE CORRECTIONS
- Descriptors DEC
- BASIC INTERACTIONS; CORRECTIONS; ELASTIC SCATTERING; ELECTROMAGNETIC INTERACTIONS; ELEMENTARY PARTICLES; FERMIONS; FIELD THEORIES; INTERACTIONS; LEPTONS; MATHEMATICAL OPERATORS; QUANTUM OPERATORS; SCATTERING
Optional Information
- Notes
- Submitted to 'International Journal of Modern Physics A'.