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Cui, LX; Takeuchi, S; Wu, YL; Cui, LX (reprint author), Chinese Acad Sci, Inst Theoret Phys, SKLTP, KITPC, Beijing 100190, Peoples R China.
Thermal mass spectra of vector and axial-vector mesons in predictive soft-wall AdS/QCD model
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
Language英语
KeywordLight-front Holography Qcd
AbstractWe extend the predictive soft-wall AdS/QCD model to a thermodynamic model by considering the black hole metric. A modified bulk vacuum expectation value and a modified coefficient for the quartic term in the bulk scalar potential are introduced to obtain a smooth dilaton solution for computing the spectral functions of the vector and axial-vector mesons. It is demonstrated that the peaks appearing in the spectral functions characterize the thermal mass spectra of vector and axial-vector mesons, where the location of the peak moves to a lower value and the width of the peak becomes wider when increasing the temperature. We observe that the peak disappears completely at the critical temperature around T-c = 200 MeV, which implies the deconfinement of quark and the restoration of chiral symmetry breaking. A numerical study by fitting the spectral function in terms of the Breit-Wigner form has been made to show how the peak dissolves quantitatively when the temperature is increased to the critical point.
2012
ISSN1029-8479
Issue4Pages:144
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Science ; National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Science ; National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Science ; National Science Foundation of China (NSFC) [10821504, 10975170]; Chinese Academy of Science
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15123
Collection理论物理所科研产出_SCI论文
Corresponding AuthorCui, LX (reprint author), Chinese Acad Sci, Inst Theoret Phys, SKLTP, KITPC, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Cui, LX,Takeuchi, S,Wu, YL,et al. Thermal mass spectra of vector and axial-vector mesons in predictive soft-wall AdS/QCD model[J]. JOURNAL OF HIGH ENERGY PHYSICS,2012(4):144.
APA Cui, LX,Takeuchi, S,Wu, YL,&Cui, LX .(2012).Thermal mass spectra of vector and axial-vector mesons in predictive soft-wall AdS/QCD model.JOURNAL OF HIGH ENERGY PHYSICS(4),144.
MLA Cui, LX,et al."Thermal mass spectra of vector and axial-vector mesons in predictive soft-wall AdS/QCD model".JOURNAL OF HIGH ENERGY PHYSICS .4(2012):144.
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