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Zheng, ZY; Deng, GG
Background field method in the large N-f expansion of scalar QED
AbstractUsing the background field method, we, in the large Nf approximation, calculate the beta function of scalar quantum electrodynamics at the first nontrivial order in 1/Nf by two different ways. In the first way, we get the result by summing all the graphs contributing directly. In the second way, we begin with the Borel transform of the related two point Green's function. The main results are that the beta function is fully determined by a simple function and can be expressed as an analytic expression with a finite radius of convergence, and the scheme-dependent renormalized Borel transform of the two point Green's function suffers from renormalons.
Subject AreaPhysics
MOST Discipline CataloguePhysics, Particles & Fields
Indexed BySCIE
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Phys Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Guangzhou Univ, Ctr Astrophys, Guangzhou 510006, Guangdong, Peoples R China
4.Guangzhou Univ, Guangzhou Univ Lib, Guangzhou 510006, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Zheng, ZY,Deng, GG. Background field method in the large N-f expansion of scalar QED[J]. EUROPEAN PHYSICAL JOURNAL C,2019,79(3):218.
APA Zheng, ZY,&Deng, GG.(2019).Background field method in the large N-f expansion of scalar QED.EUROPEAN PHYSICAL JOURNAL C,79(3),218.
MLA Zheng, ZY,et al."Background field method in the large N-f expansion of scalar QED".EUROPEAN PHYSICAL JOURNAL C 79.3(2019):218.
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