IR Renormalisation of General Effective Actions and Hawking Flux in 2D Gravity Theories

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dc.creatorHofmann, D.
dc.creatorKummer, W.
dc.date2005-12-29
dc.date.accessioned2026-07-07T12:24:57Z
dc.date.available2026-07-07T12:24:57Z
dc.descriptionThe infrared problem of the effective action in 2D is discussed in the framework of the Covariant Perturbation Theory. The divergences are regularised by a mass and the leading term is evaluated up to the third order of perturbation theory. A summation scheme is proposed which isolates the divergences from the finite part of the series and results in a single term. The latter turns out to be equivalent to the coupling to a certain classical external field. This suggests a renormalisation by factorisation.
dc.description25 pages
dc.identifierhttps://arxiv.org/abs/gr-qc/0512163
dc.identifierhttp://arxiv.org/abs/gr-qc/0512163
dc.identifierEur.Phys.J.C48:291-301,2006
dc.identifierdoi:10.1140/epjc/s2006-02553-3
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/214480
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleIR Renormalisation of General Effective Actions and Hawking Flux in 2D Gravity Theories
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