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Cui, LX; Wu, YL; Cui, LX (reprint author), Chinese Acad Sci, UCAS, Inst Theoret Phys, SKLTP,KITPC, Beijing 100190, Peoples R China.
THERMAL MASS SPECTRA OF SCALAR AND PSEUDO-SCALAR MESONS IN IR-IMPROVED SOFT-WALL AdS/QCD MODEL WITH FINITE CHEMICAL POTENTIAL
Source PublicationMODERN PHYSICS LETTERS A
Language英语
KeywordJona-lasinio Model Symmetry-breaking Qcd
AbstractThe thermal mass spectra of scalar and pseudo-scalar mesons are studied in an IR-improved soft-wall AdS/QCD model. The Reissner-Nordstrom Ads black hole metric is introduced to describe both the finite temperature and density effects. The thermal spectral function is computed, which shows that the position of peak moves toward a smaller value and the width of peak also broadens to a larger value as the temperature increases. The critical temperature at which the peaks are completely dissolved has been found to be around T-c similar or equal to 160 similar to 200 MeV. The effect of chemical potential is shown to be the same as the one caused by the temperature. It is found that when the temperature approaches to zero T-c approximate to 0, the melting down of mesons occurs at the scaled critical chemical potential mu(0)/kappa, approximate to 2.2 similar to 2.4 GeV.
2013
ISSN0217-7323
Volume28Issue:34Pages:1350132
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Nature Science Foundation of China (NSFC) [10975170, 10905084, 10821504]; Project of Knowledge Innovation Program (PKIP) of the Chinese Academy of Science ; National Nature Science Foundation of China (NSFC) [10975170, 10905084, 10821504]; Project of Knowledge Innovation Program (PKIP) of the Chinese Academy of Science ; National Nature Science Foundation of China (NSFC) [10975170, 10905084, 10821504]; Project of Knowledge Innovation Program (PKIP) of the Chinese Academy of Science ; National Nature Science Foundation of China (NSFC) [10975170, 10905084, 10821504]; Project of Knowledge Innovation Program (PKIP) of the Chinese Academy of Science
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15238
Collection理论物理所科研产出_SCI论文
Corresponding AuthorCui, LX (reprint author), Chinese Acad Sci, UCAS, Inst Theoret Phys, SKLTP,KITPC, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Cui, LX,Wu, YL,Cui, LX . THERMAL MASS SPECTRA OF SCALAR AND PSEUDO-SCALAR MESONS IN IR-IMPROVED SOFT-WALL AdS/QCD MODEL WITH FINITE CHEMICAL POTENTIAL[J]. MODERN PHYSICS LETTERS A,2013,28(34):1350132.
APA Cui, LX,Wu, YL,&Cui, LX .(2013).THERMAL MASS SPECTRA OF SCALAR AND PSEUDO-SCALAR MESONS IN IR-IMPROVED SOFT-WALL AdS/QCD MODEL WITH FINITE CHEMICAL POTENTIAL.MODERN PHYSICS LETTERS A,28(34),1350132.
MLA Cui, LX,et al."THERMAL MASS SPECTRA OF SCALAR AND PSEUDO-SCALAR MESONS IN IR-IMPROVED SOFT-WALL AdS/QCD MODEL WITH FINITE CHEMICAL POTENTIAL".MODERN PHYSICS LETTERS A 28.34(2013):1350132.
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