QUADRATIC DIVERGENCES AND DIMENSIONAL REGULARIZATION IN 2 AND 4 DIMENSIONS

被引:15
作者
ALSARHI, MS [1 ]
JACK, I [1 ]
JONES, DRT [1 ]
机构
[1] CERN,DIV THEORY,CH-1211 GENEVA 23,SWITZERLAND
关键词
D O I
10.1016/0550-3213(90)90394-S
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We calculate the quadratic divergences through four loops in renormalisable scalar theories in four dimensions and sigma models in two dimensions. A previous conjecture concerning the relationship between quadratic divergences and scale invariance is found to fail at the four-loop level. © 1990.
引用
收藏
页码:431 / 444
页数:14
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