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LITTLE GROUPS OF PREON BRANES.
LITTLE GROUPS OF PREON BRANES.
- Source :
-
Modern Physics Letters A . 12/7/2003, Vol. 18 Issue 37, p2665. 8p. - Publication Year :
- 2003
-
Abstract
- Little groups for preon branes (i.e. configurations of branes with maximal (n-1)/n fraction of survived supersymmetry) for dimensions d=2,3,…,11 are calculated for all massless, and partially for massive orbits. For massless orbits little groups are semidirect product of d-2 translational group T[sub d-2] on a subgroup of (SO(d-2) × R-invariance) group. E.g. at d=9 the subgroup is exceptional G[sub 2] group. It is also argued, that 11D Majorana spinor invariants, which distinguish orbits, are actually invariant under d=2+10 Lorentz group. Possible applications of these results include construction of field theories in generalized spacetimes with brane charges coordinates, different problems of group's representations decompositions, spin-statistics issues. [ABSTRACT FROM AUTHOR]
- Subjects :
- *BRANES
*SUPERSYMMETRY
*REPRESENTATIONS of algebras
*THEORY
*LORENTZ groups
Subjects
Details
- Language :
- English
- ISSN :
- 02177323
- Volume :
- 18
- Issue :
- 37
- Database :
- Academic Search Index
- Journal :
- Modern Physics Letters A
- Publication Type :
- Academic Journal
- Accession number :
- 11415433
- Full Text :
- https://doi.org/10.1142/S0217732303012167