Auflistung nach Schlagwort "Gauge Symmetry"

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  • Asymptotic symmetries of scalar electrodynamics and of the abelian Higgs model in Hamiltonian formulation 
    Tanzi, Roberto; Giulini, Domenico (Berlin ; Heidelberg : Springer, 2021)
    We investigate the asymptotic symmetry group of a scalar field minimally-coupled to an abelian gauge field using the Hamiltonian formulation. This extends previous work by Henneaux and Troessaert on the pure electromagnetic ...
  • Asymptotic symmetries of Yang-Mills fields in Hamiltonian formulation 
    Tanzi, Roberto; Giulini, Domenico (Berlin ; Heidelberg : Springer, 2020)
    We investigate the asymptotic symmetry group of the free SU(N )-Yang-Mills theory using the Hamiltonian formalism. We closely follow the strategy of Henneaux and Troessaert who successfully applied the Hamiltonian formalism ...
  • Beyond the standard gauging: gauge symmetries of Dirac sigma models 
    Chatzistavrakidis, Athanasios; Deser, Andreas; Jonke, Larisa; Strobl, Thomas (Heidelberg : Springer Verlag, 2016)
    In this paper we study the general conditions that have to be met for a gauged extension of a two-dimensional bosonic σ-model to exist. In an inversion of the usual approach of identifying a global symmetry and then promoting ...
  • Consistent interactions of Curtright fields 
    Brandt, Friedemann (Berlin ; Heidelberg : Springer, 2020)
    Consistent self-interactions of Curtright fields (Lorentz tensors with (2, 1) Young diagram index symmetry) are constructed in dimensions 5 and 7. Most of them modify the gauge transformations of the free theory but the ...
  • Instantons on Calabi-Yau and hyper-Kähler cones 
    Geipel, Jakob C.; Sperling, Marcus (Heidelberg : Springer Verlag, 2017)
    The instanton equations on vector bundles over Calabi-Yau and hyper-Kähler cones can be reduced to matrix equations resembling Nahm’s equations. We complement the discussion of Hermitian Yang-Mills (HYM) equations on ...
  • A low-energy limit of Yang-Mills theory on de Sitter space 
    Cork, Josh; Kutluk, Emine Şeyma; Lechtenfeld, Olaf; Popov, Alexander D. (Berlin ; Heidelberg : Springer, 2021)
    We consider Yang-Mills theory with a compact structure group G on four-dimensional de Sitter space dS4. Using conformal invariance, we transform the theory from dS4 to the finite cylinder I × S3, where I = (−π/2, π/2) and ...
  • T-duality without isometry via extended gauge symmetries of 2D sigma models 
    Chatzistavrakidis, Athanasios; Deser, Andreas; Jonke, Larisa (New York : Springer, 2016)
    Target space duality is one of the most profound properties of string theory. However it customarily requires that the background fields satisfy certain invariance conditions in order to perform it consistently; for instance ...