FIXED-POINT INTERACTIONS AND RENORMALIZATION GROUP INVARIANCE IN THE TWO-NUCLEON SYSTEM

被引：0

作者：

Timoteo, V. S. ^{[1
]}

Szpigel, S. ^{[2
]}

Duraes, F. O. ^{[2
]}

机构：

[1] Univ Estadual Campinas, Fac Tecnol, BR-13484370 Limeira, SP, Brazil

[2] Univ Presbiteriana Mackenzie, Ctr Ciencias & Humanidades, BR-01302907 Sao Paulo, Brazil

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS D | 2010年 / 19卷 / 8-10期

关键词：

Renormalization; renormalization group invariance; NN interaction; ONE-PION-EXCHANGE; NN INTERACTION;

D O I：

10.1142/S0218271810017883

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study the fixed-point interactions and the renormalization group invariance for an effective nucleon-nucleon (NN) interaction in the leading-order (LO) chiral effective field theory (ChEFT) renormalized within the framework of the subtracted kernel method (SKM) approach. By solving a nonrelativistic Callan-Symanzik (NRCS) equation we show how the driving term evolves with the subtraction scale to keep the T-matrix invariant. We calculate the fixed-point interaction from the driving term and compare the results obtained with and without its evolution through the NRCS equation.

引用

页码：1673 / 1678

页数：6

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