| 有限温度下无质量场真空图中红外发散的正规化 |
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| 引用本文： | 陈相君,刘连寿.有限温度下无质量场真空图中红外发散的正规化[J].中国物理 C,1997,21(5):425-432. |
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| 作者姓名： | 陈相君 刘连寿 |
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| 作者单位： | [1]哈尔滨工业大学物理系 [2]华中师范大学粒子物理研究所 |
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| 摘 要： | 讨论无质量δ3理论标量场和胶子场三圈真空图中的红外发散和它的正规化,给出了它在D维空间的解析延拓表达式,并讨论了如何分离出交缠发散时的红外发散和共线发散.
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| 关 键 词： | 无质量标量场 胶子场 真空图 红外发散 |
Regularization of Infrared Divergences in the Vacuum Graphs of Massless Field at Finite Temperature |
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| Chen Xiangjun.Regularization of Infrared Divergences in the Vacuum Graphs of Massless Field at Finite Temperature[J].High Energy Physics and Nuclear Physics,1997,21(5):425-432. |
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| Authors: | Chen Xiangjun |
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| Abstract: | The infrared divergences of three-loop vacuum graphs of masslessscalarand gluonfieldsand their regularization are discussed. The expression foranalytical continuation is given.How to seperate the infrared and collinear divergences fromoverlap ones is also discussed. |
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| Keywords: | massless scalar field gluon field vacuum graph infrareddivergence |
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