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Spacelike Localization of Long-Range Fields in a Model of Asymptotic Electrodynamics

机译:渐近电动力学模型中长距离场的空间定位

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摘要

A previously proposed algebra of asymptotic fields in quantum electrodynamics is formulated as a net of algebras localized in regions which in general have unbounded spacelike extension. Electromagnetic fields may be localized in ‘symmetrical spacelike cones’, but there are strong indications this is not possible in the present model for charged fields, which have tails extending in all space directions. Nevertheless, products of appropriately ‘dressed’ fermion fields (with compensating charges) yield bi-localized observables.
机译:量子电动力学中先前提出的渐近场的代数被公式化为位于通常具有无界空间状扩展的区域中的代数网。电磁场可能位于“对称的类似空间的圆锥体”中,但是有很强的迹象表明,在本模型中,对于带电磁场的模型是不可能的,因为带电磁场的尾部在所有空间方向上都延伸。然而,适当“修整”的费米子场(带补偿电荷)的产品会产生双向定位的可观测物。

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