Gauge Symmetry Breaking: Higgs-less Mass Generation and Radiation Phenomena
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URI: http://hdl.handle.net/10317/509URI: arXiv:hep-th/0402143v1
ISBN: 84-7800-639-7
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Calixto Molina, ManuelÁrea de conocimiento
Matemática AplicadaFecha de publicación
2004Editorial
Ediciones de la Universidad de SalamancaCita bibliográfica
CALIXTO MOLINA, Manuel. Gauge Symmetry Breaking: Higgs-less Mass Generation and Radiation Phenomena. En: Symmetries in Gravity and Field Theory (2004: Salamanca). Symmetries in Gravity and Field Theory: Homenaje al Profesor Jose Adolfo de Azcarraga. Salamanca: Universidad de Salamanca . Ediciones de la Universidad de Salamanca. 2004.Palabras clave
Anomalías cuánticasÁlgebra Virasoro
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Higgs-less
Resumen
Gauge symmetries generally appear as a constraint algebra, under which one expects all physical states to be singlets. However, quantum anomalies and boundary conditions
introduce central charges and change this picture, thus causing gauge/diffeomorphism
modes to become physical. We expose a cohomological (Higgs-less) generation of mass
in U(N)-gauge invariant Yang-Mills theories through non-trivial representations of the
gauge group. This situation is also present in black hole evaporation, where the Virasoro
algebra turns out to be the relevant subalgebra of surface deformations of the horizon of an arbitrary black hole.
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