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Spin-orbit entanglement in the Color Glass Condensate

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arxiv 2404.04208 v2 pith:PN4STPTX submitted 2024-04-05 hep-ph

Shohini Bhattacharya , Renaud Boussarie , Yoshitaka Hatta This is my paper
classification hep-ph
keywords gluonsangularcolorcondensateglasshelicitymomentumorbital
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We compute the spin-orbit correlations of quarks and gluons at small-$x$ and show that the helicity and the orbital angular momentum of individual partons are strongly anti-aligned even in unpolarized or spinless hadrons and nuclei. Combined with the fact that gluons in the Color Glass Condensate are linearly polarized, our finding indicates that the helicity and the orbital angular momentum of single gluons are maximally entangled in a quantum mechanical sense.

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Cited by 5 Pith papers

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