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Radiative constraints on brane quintessence
journal contribution
posted on 2023-06-07, 21:21 authored by David SeeryDavid Seery, Bruce A BassettWe investigate the constraints on quintessence arising from both renormalisable and non-renormalisable couplings where the 5d Planck mass is around the TeV scale. The quintessence field vacuum expectation value is typically of order the 4d Planck mass while non-renormalisable operators are expected to be suppressed by the 5d Planck mass. Non-renormalisable operators are therefore important in computing the 4d effective quintessence potential. We then study the quantum corrections to the quintessence potential due to fermion and graviton loops. The tower of Kaluza-Klein modes competes with the TeV-scale cut-off, altering the graviton contribution to the vacuum polarization of quintessence. Nevertheless we show that, as in four dimensions, the classical potential is stable to such radiative corrections.
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- Published
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Journal of Cosmology and Astroparticle PhysicsExternal DOI
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2004Department affiliated with
- Physics and Astronomy Publications
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- Yes
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2012-02-06Usage metrics
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