Regularization of Angular Infrared Divergence of Massless Theory at Finite Temperature

  • The angular infrared divergences of three-loop vacuum graph in the massless scalar field φ3 theory and the scheme of dimensional regularization for these divergences are discussed.Its analytical expression in D-dimensional space is given.
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  • [1] Y.Fujimotom,M.Loewe,J.C.Rojas,Dimensional Regularization at Finite Temperature,to be published inZ.Phys.C.[2] T.Muta,Foundations of Quantum Chromodynamics-an Introduction to Perturbative Methodsin Gauge Theories,World Scientific,1987.[3] 戴元本,相互作用的规范理论,科学出版社,1987.[4] L.Dolan,R.Jackiw,Phys.Rev.,D9(1974)3320.[5] A.J.Niemi,G.W.Semenoff,Nucl.Phys,B236(1984)181.[6] Chen Xiangjun,Y.Fujimoto,Dimensional Regularization and Analytical Continuation at Finte Temperature,Huazhong Normal University Preprint,1994.
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Chen Xiangjun and Liu Lianshou. Regularization of Angular Infrared Divergence of Massless Theory at Finite Temperature[J]. Chinese Physics C, 1995, 19(10): 907-910.
Chen Xiangjun and Liu Lianshou. Regularization of Angular Infrared Divergence of Massless Theory at Finite Temperature[J]. Chinese Physics C, 1995, 19(10): 907-910. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Regularization of Angular Infrared Divergence of Massless Theory at Finite Temperature

    Corresponding author: Chen Xiangjun,
  • Institute of Particle Physics, Hua-Zhong Normal University, Wuhan 430070

Abstract: The angular infrared divergences of three-loop vacuum graph in the massless scalar field φ3 theory and the scheme of dimensional regularization for these divergences are discussed.Its analytical expression in D-dimensional space is given.

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