Schwinger-dyson equations and dynamic symmetry violation in two-dimensional quantum quadratic gravitation

被引：0

作者：

Shil'nov Yu.I. ^{[1
]}

Chitov V.V. ^{[1
]}

Kotvitskü A.T. ^{[1
]}

机构：

来源：

Russian Physics Journal | 1997年 / 40卷 / 3期

关键词：

Dynamic Mass; Fermion Propagator; Ladder Approximation; Unify Field Theory; Flat Background;

D O I：

10.1007/BF02510825

中图分类号：

学科分类号：

摘要：

The dynamic violation of symmetry in two-dimensional quantum gravitation with the action quadratic in the curvature over a flat background is studied. The Schwinger-Dyson equation method is used in the ladder approximation. A numerical analysis of the equations for the structural functions defining the precise fermion propagator is given. The existence of a critical value of the coupling constant, which corresponds to dynamic violation of symmetry and the appearance of the bifermion condensate, is shown. The dependence of the dynamic mass on the coupling constant is found. © 1997 Plenum Publishing Corporation.

引用

页码：251 / 255

页数：4

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