Parametrization of Fully Dressed Quark Propagator

Based on an extensive study of the Dyson-Schwinger equations for a fully dressed quark propagator in the “rainbow” approximation, a parametrized form of the quark propagator is suggested. The corresponding quark selfenergy ∑f and the structure of non-local quark vacuum condensate are investigated....

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Bibliographic Details
Published in:Communications in theoretical physics 2005-01, Vol.43 (1), p.147-150
Main Author: MAWei-Xing ZHUJi-Zhen ZHOULi-Juan SHENPeng-Nian HUZhao-Hui
Format: Article
Language:English
Subjects:
代森-施温格方程
夸克传播函数
真空冷凝物结构
自能量
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Summary:Based on an extensive study of the Dyson-Schwinger equations for a fully dressed quark propagator in the “rainbow” approximation, a parametrized form of the quark propagator is suggested. The corresponding quark selfenergy ∑f and the structure of non-local quark vacuum condensate are investigated. The algebraic form of the quark propagator proposed in this work describes a confining quark propagation, and is quite convenient to be used in any numerical calculations.
ISSN:0253-6102
DOI:10.1088/0253-6102/43/1/028