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Power law in a gauge-invariant cut-off regularisation

Abstract : We study one-loop quantum corrections of a compactified Abelian 5d gauge field theory. We use a cut-off regularisation procedure which respects the symmetries of the model, i.e. gauge invariance, exhibits the expected power-like divergences and therefore allows the derivation of power-law behavior of the effective 4d gauge coupling in a coherent manner.
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Contributor : Sylvie Flores <>
Submitted on : Monday, January 29, 2007 - 3:53:38 PM
Last modification on : Thursday, June 10, 2021 - 4:27:56 PM

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T. Varin, J. Welzel, A. Deandrea, D. Davesne. Power law in a gauge-invariant cut-off regularisation. Physical Review D, American Physical Society, 2006, 74, pp.121702. ⟨10.1103/PhysRevD.74.121702⟩. ⟨in2p3-00127740⟩



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