English

Spin-orbit entanglement in the Color Glass Condensate

High Energy Physics - Phenomenology 2024-11-14 v2

Abstract

We compute the spin-orbit correlations of quarks and gluons at small-xx 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.

Keywords

Cite

@article{arxiv.2404.04208,
  title  = {Spin-orbit entanglement in the Color Glass Condensate},
  author = {Shohini Bhattacharya and Renaud Boussarie and Yoshitaka Hatta},
  journal= {arXiv preprint arXiv:2404.04208},
  year   = {2024}
}

Comments

7 pages, v2 version to appear in Phys.Lett.B