QUARK SPIN AND THE THETA-TERM FOR THE QCD STRING

被引：8

作者：

PAWELCZYK, J

机构：

[1] Institute of Theoretical Physics, University of Warsaw, Ho, PL-00-681 Warsaw

来源：

PHYSICS LETTERS B | 1993年 / 311卷 / 1-4期

关键词：

D O I：

10.1016/0370-2693(93)90540-X

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We describe a way in which the spin of quarks can enter a consistent QCD string theory. We show that the spin factor of the 4D massless, spin-1/2 fermions is related to the self-intersection number of a 2D surface immersed in the 4D space. We argue that the latter quantity should appear in a consistent description of the QCD string. We also calculate the chiral anomaly and show that the self-intersection number corresponds to the topological charge FF of QCD.

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页码：98 / 102

页数：5

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