Spin-orbit entanglement in the Color Glass Condensate

被引：2
|
作者：
Bhattacharya, Shohini [1 ]
Boussarie, Renaud [2 ]
Hatta, Yoshitaka [3 ,4 ]
机构：
[1] Los Alamos Natl Lab, Theoret Div, Los Alamos, NM 87545 USA
[2] Inst Polytech Paris, Ecole Polytech, CPHT, CNRS, F-91128 Palaiseau, France
[3] Brookhaven Natl Lab, Phys Dept, Upton, NY 11973 USA
[4] Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA
来源：
PHYSICS LETTERS B | 2024年 / 859卷
关键词：
GLUON SATURATION; ANGULAR-MOMENTUM; DISTRIBUTIONS;
D O I：
10.1016/j.physletb.2024.139134
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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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收藏
页数：5
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