Four no-go theorems on the existence of spin and orbital angular momentum of massless bosons

The past decades have seen substantial interest in the so-called orbital angular momentum (OAM) of light, driven largely by its diverse range of applications. However, there are fundamental theoretical issues with decomposing the angular momentum of massless particles, such as photons, into spin (SA...

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Bibliographic Details
Main Author: Eric Palmerduca, Hong Qin
Format: Article
Language:English
Published: SciPost 2025-06-01
Series:SciPost Physics
Online Access:https://scipost.org/SciPostPhys.18.6.188
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