Published August 1989
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Sphaleron in a non-linear sigma model
Description
We present an exact classical saddle point solution in a non-linear sigma model. It has a topological charge 1/2 and mediates the vacuum transition. The quantum fluctuations and the transition rate are also examined. (author)
Availability note (English)
MF available from INIS under the Report Number.Files
21020919.pdf
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Additional details
Publishing Information
- Imprint Pagination
- 7 p.
- Report number
- INS--765
INIS
- Country of Publication
- Japan
- Country of Input or Organization
- Japan
- INIS RN
- 21020919
- Subject category
- S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;
- Descriptors DEI
- CLASSICAL MECHANICS; FLUCTUATIONS; NONLINEAR PROBLEMS; O GROUPS; SADDLE-POINT METHOD; SIGMA MODEL; TOPOLOGY; VACUUM STATES
- Descriptors DEC
- BOSON-EXCHANGE MODELS; DYNAMICAL GROUPS; LIE GROUPS; MATHEMATICAL MODELS; MATHEMATICS; MECHANICS; PARTICLE MODELS; PERIPHERAL MODELS; SYMMETRY GROUPS; VARIATIONS