ITP OpenIR  > 理论物理所科研产出  > SCI论文
Bu, YY; Yang, JM; Bu, YY (reprint author), Acad Sinica, Inst Theoret Phys, Beijing 100190, Peoples R China.
Spectral function and quark diffusion constant in non-critical holographic QCD
Source PublicationNUCLEAR PHYSICS B
Language英语
KeywordGauge-string Duality Field-theory Yang-mills Superstrings Branes Model
AbstractMotivated by recent studies of intersecting D-brane systems in critical string theory and phenomenological AdS/QCD models, we present a detailed analysis for the vector and scalar fluctuations in a non-critical holographic QCD model in the high temperature phase, i.e., the chiral symmetric phase. This model is described by N-f pairs of D4 and (D4) over bar probe branes in a non-critical AdS(6) black hole background. Focusing on the hydrodynamic as well as the high frequency limit, we analytically obtain spectral functions for vector and scalar modes on the flavor probe. Then we extract the light quark diffusion constant for flavor current using three different methods and find that different methods give the same results. We also compute the heavy quark diffusion constant for comparison with the light quark case. (C) 2011 Elsevier B.V. All rights reserved.
2012
ISSN0550-3213
Volume855Issue:2Pages:388-419
Subject AreaPhysics
Indexed BySCI
Funding OrganizationJSPS [S-11028]; NSFC [10821504, 10725526] ; JSPS [S-11028]; NSFC [10821504, 10725526] ; JSPS [S-11028]; NSFC [10821504, 10725526] ; JSPS [S-11028]; NSFC [10821504, 10725526]
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15161
Collection理论物理所科研产出_SCI论文
Corresponding AuthorBu, YY (reprint author), Acad Sinica, Inst Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Bu, YY,Yang, JM,Bu, YY . Spectral function and quark diffusion constant in non-critical holographic QCD[J]. NUCLEAR PHYSICS B,2012,855(2):388-419.
APA Bu, YY,Yang, JM,&Bu, YY .(2012).Spectral function and quark diffusion constant in non-critical holographic QCD.NUCLEAR PHYSICS B,855(2),388-419.
MLA Bu, YY,et al."Spectral function and quark diffusion constant in non-critical holographic QCD".NUCLEAR PHYSICS B 855.2(2012):388-419.
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