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Autor Pérez Martín, Carmelo |
Documentos disponibles escritos por este autor (18)
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texto impreso
We work out the one-loop contribution to the lepton anomalous magnetic moment coming from Unimodular Gravity. We use Dimensional Regularization and Dimensional Reduction to carry out the computations. In either case, we find that Unimodular Grav[...]texto impreso
Álvarez, Enrique ; González Martín, Sergio ; Herrero Valea, Mario ; Pérez Martín, Carmelo | American Physical Society | 2015-09-15It is well known that the problem of the cosmological constant appears in a new light in unimodular gravity. In particular, the zero-momentum piece of the potential does not automatically produce a corresponding cosmological constant. Here we sh[...]texto impreso
The maximally helicity violating tree-level scattering amplitudes involving three, four or five gravitons are worked out in Unimodular Gravity. They are found to coincide with the corresponding amplitudes in General Relativity. This a remarkable[...]