Universality of Quantum Gravity Corrections

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dc.creatorDas, Saurya
dc.creatorVagenas, Elias C.
dc.date2008-10-29
dc.date2008-11-25
dc.date.accessioned2026-07-07T12:15:54Z
dc.date.available2026-07-07T12:15:54Z
dc.descriptionWe show that the existence of a minimum measurable length and the related Generalized Uncertainty Principle (GUP), predicted by theories of Quantum Gravity, influence all quantum Hamiltonians. Thus, they predict quantum gravity corrections to various quantum phenomena. We compute such corrections to the Lamb Shift, the Landau levels and the tunnelling current in a Scanning Tunnelling Microscope (STM). We show that these corrections can be interpreted in two ways: (a) either that they are exceedingly small, beyond the reach of current experiments, or (b) that they predict upper bounds on the quantum gravity parameter in the GUP, compatible with experiments at the electroweak scale. Thus, more accurate measurements in the future should either be able to test these predictions, or further tighten the above bounds and predict an intermediate length scale, between the electroweak and the Planck scale.
dc.descriptionv1: 4 pages, LaTeX; v2: typos corrected, references updated, version to match published version in Physical Review Letters
dc.identifierhttps://arxiv.org/abs/0810.5333
dc.identifierhttp://arxiv.org/abs/0810.5333
dc.identifierPhys.Rev.Lett.101:221301,2008
dc.identifierdoi:10.1103/PhysRevLett.101.221301
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/211636
dc.subjectHigh Energy Physics - Theory
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectQuantum Physics
dc.titleUniversality of Quantum Gravity Corrections
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