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Emergent gauge symmetries: Yang-Mills theory

机译:紧急仪表对称性:杨工理论

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Gauge symmetries remove unphysical states and guarantee that field theories are free from the pathologies associated with these states. In this work we find a set of general conditions that guarantee the removal of unphysical states in field theories describing interacting vector fields. These conditions are obtained through the extension of a mechanism for the emergence of gauge symmetries proposed in a previous article [C. Barceló J. High Energy Phys. 10 (2016 ) 084] in order to account for non-Abelian gauge symmetries, and are the following: low-energy Lorentz invariance, emergence of massless vector fields describable by an action quadratic in those fields and their derivatives, and self-coupling to a conserved current associated with specific rigid symmetries. Using a bootstrapping procedure, we prove that these conditions are equivalent to the emergence of gauge symmetries and, therefore, guarantee that any theory satisfying them must be equivalent to a Yang-Mills theory at low energies.
机译:仪表对称消除了不受解的状态,并保证现场理论没有与这些国家相关的病理学。在这项工作中,我们发现一系列一般条件,以保证在描述互动矢量字段的野外理论中去除未经理状态。这些条件是通过延长前一篇文章中提出的仪表对称的机制而获得的机制获得[C. BarcelóJ.高能量物理。 10( 2016)084]为了解释非雅芳仪表对称,是以下:低能量Lorentz不变性,在这些领域及其衍生物中的动作偏执的无大量的传染媒介领域的出现,以及自我 - 与特定刚性对称相关的保守电流耦合。使用自举过程,我们证明这些条件相当于测量计对称的出现,因此保证了满足它们的任何理论,必须在低能量下相当于阳铣刀理论。

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