Dressed vs. Pairwise States，and the Geometric Phase of Monopoles and Charges
Dressed vs. Pairwise States, and the Geometric Phase of Monopoles and Charges
摘要：
我们构建的Faddeev-Kulish穿着多粒子态的电和磁带电粒子，结合真实和虚拟的软光子的影响。我们计算了这种修饰态在洛伦兹变换下的性质，发现它们可以与在成对小群下变换的成对多粒子态相一致。在洛伦兹变换下，修整因子的位移是有限的，并且具有简单的几何解释。使用的变换性质的修饰状态，我们还提出了一种新的，完全量子场论推导的几何（Berry）相位的狄拉克弦的绝热旋转，也狄拉克量子化条件。对于半整数成对helcity，我们表明，这些多粒子状态翻转自旋统计，再现令人惊讶的事实，费米子可以玻色子。
英文摘要：
We construct the Faddeev-Kulish dressed multiparticle states of electrically and magnetically charged particles, incorporating the effects of real and virtual soft photons. We calculate the properties of such dressed states under Lorentz transformations, and find that they can be identified with the pairwise multi-particle states that transform under the pairwise little group. The shifts in the dressing factors under Lorentz transformations are finite and have a simple geometric interpretation. Using the transformation properties of the dressed states we also present a novel, fully quantum field theoretic derivation of the geometric (Berry) phase obtained by an adiabatic rotation of the Dirac string, and also of the Dirac quantization condition. For half integer pairwise helcity, we show that these multiparticle states have flipped spin-statistics, reproducing the surprising fact that fermions can be made out of bosons.
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