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Quantum gravitational bremsstrahlung: massless versus massive gravity

Berchtold, Julian ; Scharf, Günter

In: General Relativity and Gravitation, 2007, vol. 39, no. 9, p. 1489-1502

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    Titre
    • Quantum gravitational bremsstrahlung: massless versus massive gravity
    Auteur
    • Berchtold, Julian. Institut für Theoretische Physik, Universität Zürich, Winterthurerstr. 190, 8057, Zürich, Switzerland
    • Scharf, Günter. Institut für Theoretische Physik, Universität Zürich, Winterthurerstr. 190, 8057, Zürich, Switzerland
    Type de document
    • Postprint
    Langue
    • Inglese
    Publié dans
    • General Relativity and Gravitation, 2007, vol. 39, no. 9, p. 1489-1502. Springer US; http://www.springer-ny.com
    Autre version électronique
    Classification
    • Physique
    Identifiant OAI-PMH
    • oai:doc.rero.ch:321113
    Summary
    The massive spin-2 quantum gauge theory previously developed is applied to calculate gravitational bremsstrahlung. It is shown that this theory is unique and free from defects. In particular, there is no strong coupling if the graviton mass becomes small. The cross sections go over smoothly into the ones of the massless theory in the limit of vanishing graviton mass. The massless cross sections are calculated for the full tensor theory