6TH ORDER DERIVATIVE EXPANSION OF ONE-LOOP EFFECTIVE ACTIONS

被引：15
|
作者：
CARO, J
SALCEDO, LL
机构：
[1] Departamento de Física Moderna, Universidad de Granada
来源：
PHYSICS LETTERS B | 1993年 / 309卷 / 3-4期
关键词：
D O I：
10.1016/0370-2693(93)90945-E
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A covariant derivative expansion is carried out up to sixth order for the functional determinant Tr log ((i partial derivative A(mu) + A(mu)(X))2 + U(X)). An efficient method proposed by Chan is used which makes no assumptions on the internal symmetry group of the external fields A(mu)(x) and U(x). The relation between our formula and the Seeley-DeWitt coefficients is established.
引用
收藏
页码：359 / 364
页数：6
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