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We use the gauge gravity correspondence to study the renormalization groupflow of a double trace fermionic operator in a quark-gluon plasma subject tothe influence of a strong magnetic field and compare it with the results forthe case at zero temperature and no magnetic field, where the flow between twofixed points is observed. Our results show that the energy necessary to accessthe physics of the ultraviolet theory increases with the intensity of themagnetic field under which the processes happen. We provide arguments tosupport that this increase is scheme independent, and to exhibit furtherevidence we do a very simple calculation showing that the dimensional reductionexpected in the gauge theory in this scenario is effective up to an energyscale that grows with the strength of such a background field. We also showthat independently of the renormalization scheme, the coupling of the doubletrace operators in the ultraviolet fixed point increases with the intensity ofthe background field. These effects combined can change both, the processesthat are expected to be involved in a collision experiment at a given energyand the azimuthal anisotropy of the measurements resulting of them.

Increase of the Energy Necessary to Probe Ultraviolet Theories Due to the Presence of a Strong Magnetic Field