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Chiral fermions and gauge fixing in five-dimensional theories
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Chiral fermions and gauge fixing in five-dimensional theories
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| dc.contributor.author | Papavassiliou, Joannis | |
| dc.contributor.author | Santamaria, Arcadi | |
| dc.date.accessioned | 2015-04-10T08:23:07Z | |
| dc.date.available | 2015-04-10T08:23:07Z | |
| dc.date.issued | 2001 | |
| dc.identifier.citation | Papavassiliou, Joannis; Santamaria, Arcadi (2001) Chiral fermions and gauge fixing in five-dimensional theories Physical Review D 63 12 125014 | |
| dc.identifier.uri | http://hdl.handle.net/10550/43003 | |
| dc.description.abstract | We study in detail the issue of gauge-fixing in theories with one universal extra dimension, i.e. theories where both bosons and fermions display Kaluza-Klein (KK) excitations. The extra dimension is compactified using the standard orbifold construction for a massless chiral fermion. We carry out the gauge-fixing procedure at the level of the five-dimensional theory and determine the tree-level propagators and interaction vertices needed for performing perturbative calculations with the effective four-dimensional theory resulting after the compactification. The gauge-independence of the tree-level S-matrix involving massive KK modes is verified using specific examples. In order to obtain massive fermionic zero modes one has to enlarge the theory by introducing a set of mirror fermions, a construction which is carried out in detail. Finally, the gauge-independence of the tree-level S-matrix involving the resulting new mass-eigenstates is proved by resorting to generalized current conservation equations. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Physical Review D, 2001, vol. 63, num. 12, p. 125014 | |
| dc.subject | Física | |
| dc.title | Chiral fermions and gauge fixing in five-dimensional theories | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2015-04-10T08:23:07Z | |
| dc.identifier.doi | 10.1103/PhysRevD.63.125014 | |
| dc.identifier.idgrec | 008750 | |
| dc.rights.accessRights | open access | es_ES |
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