Interacting massless infraparticles in 1+1 dimensions
Wojciech Dybalski, Jens Mund
TL;DR
This paper computes a scattering amplitude for massless infraparticles in 1+1 dimensions, revealing that charged infraparticles exchange charge-dependent phases during collisions, advancing understanding of their interactions.
Contribution
It provides the first explicit calculation of a scattering amplitude for charged infraparticles in 2D massless models, demonstrating phase exchanges based on charge.
Findings
Charged infraparticles exchange phases during collisions
The scattering amplitude is non-trivial and explicitly computed
Reveals charge-dependent phase interactions in 2D massless models
Abstract
The Buchholz' scattering theory of waves in two dimensional massless models suggests a natural definition of a scattering amplitude. We compute such a scattering amplitude for charged infraparticles that live in the GNS representation of the 2 massless scalar free field and obtain a non-trivial result. It turns out that these excitations exchange phases, depending on their charges, when they collide.
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