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dc.contributor.authorFernández Faedo, Antón-
dc.contributor.authorHernández Díaz, Daniel-
dc.contributor.authorRigolin, Stefano-
dc.contributor.authorSalvatori, M.-
dc.description43 pages, 3 figures.en_US
dc.description.abstractWe review the basic notions of compactification in the presence of a back- ground flux. In extra-dimentional models with more than five dimensions, Scherk and Schwarz boundary conditions have to satisfy’t Hooft consistency conditions. Different vacuum configurations can be obtained, depending whether trivial or non-trivial’t Hooft flux is considered. The presence of the “magnetic” back- ground flux provide, in addition, a mechanism for producing four-dimensional chiral fermions. Particularizing to the six-dimensional case, we calculate the one-loop effective potential for a U(N) gauge theory on M4 × T 2. We firstly review the well known results of the trivial ’t Hooft flux case, where one-loop contributions produce the usual Hosotani dynamical symmetry breaking. Finally we applied our result for describing, for the first time, the one-loop contributions in the non-trivial’t Hooft flux case.en_US
dc.description.sponsorshipThe work of A.F. Faedo, D. Hernandez and S. Rigolin has been partially supported by CICYT through the project FPA2006-05423 and by CAM through the project HEPHACOS, P-ESP-00346. D. Hern´andez acknowledges financial support from the MEC through FPU grant AP-2005-3603. S.Rigolin aknowledges also the partial support of an Excellence Grant of Fondazione Cariparo and of the European Programme “Unification in the LHC era” under the contract PITN-GA-2009-237920 (UNILHC)en_US
dc.format.extent542219 bytes-
dc.titleOne-loop effective potential in M4 x T2 with and without 't hooft fluxen_US
dc.description.peerreviewedPeer revieweden_US
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