ITP OpenIR  > 理论物理所2012年知识产出
Spectral function and quark diffusion constant in non-critical holographic QCD
Bu, YY; Yang, JM; Bu, YY (reprint author), Acad Sinica, Inst Theoret Phys, Beijing 100190, Peoples R China.
2012
发表期刊NUCLEAR PHYSICS B
ISSN0550-3213
卷号855期号:2页码:388-419
摘要Motivated 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.
部门归属[Bu, Yan Yan; Yang, Jin Min] Acad Sinica, Inst Theoret Phys, Beijing 100190, Peoples R China
关键词Gauge-string Duality Field-theory Yang-mills Superstrings Branes Model
学科领域Physics
资助者JSPS [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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收录类别SCI
语种英语
资助者JSPS [S-11028]; NSFC [10821504, 10725526] ; JSPS [S-11028]; NSFC [10821504, 10725526] ; JSPS [S-11028]; NSFC [10821504, 10725526] ; JSPS [S-11028]; NSFC [10821504, 10725526]
WOS记录号WOS:000297783000009
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被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15161
专题理论物理所2012年知识产出
通讯作者Bu, YY (reprint author), Acad Sinica, Inst Theoret Phys, Beijing 100190, Peoples R China.
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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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