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Email: mphys10@ipb.ac.rs

Abstracts
Diego CiriloLombardo
Dynamical symmetries, coherent states and nonlinear realizations: the SO(2,4) case
Nonlinear realizations of the SO(4,2) group are discussed from the point of view of symmetries. Dynamical symmetry breaking is introduced. One linear and one quadratic model in curvature are constructed. Coherent states of the KlauderPerelomov type are defined for both cases taking into account the coset geometry. A new spontaneous compactification mechanism is defined in the subspace invariant under the stability subgroup. The physical implications of the symmetry rupture in the context of nonlinear realizations and direct gauging are analyzed and briefly discussed.


Organizers:
Institute of Physics Belgrade (University of Belgrade)
Belgrade, Serbia
Faculty of Mathematics
(University of Belgrade)
Belgrade, Serbia
Mathematical Institute
(Serbian Academy of Sciences and Arts)
Belgrade, Serbia
Faculty of Science
(University of Kragujevac)
Kragujevac, Serbia
Serbian Academy of Sciences and Arts (SASA)
Belgrade, Serbia
Coorganizers:
Institute of Nuclear Sciences "VinÄ¨a"
(University of Belgrade)
Belgrade, Serbia
Institute of Physics
(University of Kragujevac)
Kragujevac, Serbia
Faculty of Physics
(University of Belgrade)
Belgrade, Serbia
Faculty of Sciences
(University of Novi Sad)
Novi Sad, Serbia
School of Electrical Engineering
(University of Belgrade)
Belgrade, Serbia
SEENETMTP
(Southeastern European Network in Mathematical and Theoretical Physics)
Nis, Serbia
