RENORMALIZATION OF THE LINEAR DELTA-EXPANSION - THE GROSS-NEVEU MODEL

被引：51

作者：

JONES, HF ^{[1
]}

MOSHE, M ^{[1
]}

机构：

[1] TECHNION ISRAEL INST TECHNOL,DEPT PHYS,IL-32000 HAIFA,ISRAEL

来源：

PHYSICS LETTERS B | 1990年 / 234卷 / 04期

关键词：

D O I：

10.1016/0370-2693(90)92045-K

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A recently proposed expansion interpolating between different actions S = S0+S1(σ) was previously defined and extensively studied with a finite ultraviolet cut-off. Here we study the renormalizability of this σ-expansion in the case of an exactly soluble theory, the Gross-Neveu model at N → ∞. We determine the necessary renormalization conditions to all orders in σ, taking into account the renormalization group equation. A crucial role is played by the asymptotic behaviour of the bare mass parameter in the massive Gross-Neveu model. © 1990.

引用

页码：492 / 496

页数：5

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