[1] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA
来源:
FORTSCHRITTE DER PHYSIK-PROGRESS OF PHYSICS
|
2007年
/
55卷
/
5-7期
关键词:
D O I:
10.1002/prop.200610373
中图分类号:
O4 [物理学];
学科分类号:
0702 ;
摘要:
In recent years, higher loop integrability has been the object of much attention. An important part of that discourse is to check that the Yangian symmetry survives at higher loops. We offer a brief update of the progress in this area. (C) 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.