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Vacuum pseudoscalar susceptibility
Chang, Lei1; Liu, Yu-Xin2,3,4; Roberts, Craig D.2,5; Shi, Yuan-Mei6; Sun, Wei-Min7,8; Zong, Hong-Shi7,8
2010-03-01
Source PublicationPHYSICAL REVIEW C
Volume81Issue:3
AbstractWe derive a novel model-independent result for the pion susceptibility in QCD via the isovector-pseudoscalar vacuum polarization. In the neighbourhood of the chiral limit, the pion susceptibility can be expressed as a sum of two independent terms. The first expresses the pion-pole contribution. The second is identical to the vacuum chiral susceptibility, which describes the response of QCD's ground state to a fluctuation in the current-quark mass. In this result one finds a straightforward explanation of a mismatch between extant estimates of the pion susceptibility.
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1103/PhysRevC.81.032201
WOS KeywordQCD ; NUCLEON ; VECTOR ; DYSON ; CONFINEMENT ; COUPLINGS ; EQUATIONS ; SPECTRUM ; PHYSICS ; THEOREM
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear
WOS IDWOS:000276769400008
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Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/15947
Collection暗物质和空间天文实验室
Affiliation1.Inst Appl Phys & Computat Math, Beijing 100094, Peoples R China
2.Peking Univ, Dept Phys, Beijing 100871, Peoples R China
3.Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
4.Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China
5.Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA
6.Nanjing Xiaozhuang Coll, Dept Phys, Nanjing 211171, Peoples R China
7.Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China
8.Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Peoples R China
Recommended Citation
GB/T 7714
Chang, Lei,Liu, Yu-Xin,Roberts, Craig D.,et al. Vacuum pseudoscalar susceptibility[J]. PHYSICAL REVIEW C,2010,81(3).
APA Chang, Lei,Liu, Yu-Xin,Roberts, Craig D.,Shi, Yuan-Mei,Sun, Wei-Min,&Zong, Hong-Shi.(2010).Vacuum pseudoscalar susceptibility.PHYSICAL REVIEW C,81(3).
MLA Chang, Lei,et al."Vacuum pseudoscalar susceptibility".PHYSICAL REVIEW C 81.3(2010).
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