由于强磁场的存在，探测紫外线理论所需的能量增加
Increase of the Energy Necessary to Probe Ultraviolet Theories Due to the Presence of a Strong Magnetic Field
摘要：
利用规范引力对应研究了强磁场作用下夸克-胶子等离子体中双迹费米子算符的重整化群流，并与零温无磁场情况下观察到的两个不动点之间的流进行了比较.我们的结果表明，进入紫外线理论物理所需的能量随着过程发生的磁场强度的增加而增加。我们提供的参数来支持，这种增加是方案无关的，并展示进一步的证据，我们做了一个非常简单的计算表明，在这种情况下，在规范理论中预期的降维是有效的，直到能量尺度，这种背景场的强度增长。我们还表明，独立的重整化方案，在紫外固定点的双迹算子的耦合增加的背景场的强度。这些效应相结合，可以改变这两个过程，预计将在碰撞实验中涉及在给定的能量和方位角各向异性的测量结果，他们。
英文摘要：
We use the gauge gravity correspondence to study the renormalization group flow of a double trace fermionic operator in a quark-gluon plasma subject to the influence of a strong magnetic field and compare it with the results for the case at zero temperature and no magnetic field, where the flow between two fixed points is observed. Our results show that the energy necessary to access the physics of the ultraviolet theory increases with the intensity of the magnetic field under which the processes happen. We provide arguments to support that this increase is scheme independent, and to exhibit further evidence we do a very simple calculation showing that the dimensional reduction expected in the gauge theory in this scenario is effective up to an energy scale that grows with the strength of such a background field. We also show that independently of the renormalization scheme, the coupling of the double trace operators in the ultraviolet fixed point increases with the intensity of the background field. These effects combined can change both, the processes that are expected to be involved in a collision experiment at a given energy and the azimuthal anisotropy of the measurements resulting of them.
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