Quantum Corrections to Unimodular Gravity

Abstract

The problem of the cosmological constant appears in a new light in Unimodular Gravity. In particular, the zero momentum piece of the potential (that is, the constant piece independent of the matter fields) does not automatically produce a cosmological constant proportional to it. The aim of this paper is to give some details on a calculation showing that quantum corrections do not renormalize the classical value of this observable.

34 pages

References in corpus (6)

• Transverse Fierz-Pauli symmetry
• The Renormalization Group flow of unimodular f(R) gravity
• The Invar tensor package: Differential invariants of Riemann
• Ultraviolet behavior of transverse gravity
• Renormalized Kaluza-Klein theories
• Conformal and non Conformal Dilaton Gravity

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