Functional renormalization group and quantum tunnelling

被引：8

作者：

Weyrauch, M ^{[1
]}

机构：

[1] Phys Tech Bundesanstalt, D-38116 Braunschweig, Germany

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 2006年 / 39卷 / 03期

关键词：

D O I：

10.1088/0305-4470/39/3/015

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A functional renormalization group approach is applied to a single quantum particle with emphasis on quantum tunnelling through a barrier. We include both an effective potential and a wavefunction renormalization and compare the effects of soft cut-off, hard cut-off and Schwinger proper time regulators. Numerical procedures and results are studied in detail.

引用

页码：649 / 666

页数：18

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