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Zhou, Yang; Zhou, Y , Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
D4 brane probes in gauge/gravity duality
Source PublicationPHYSICAL REVIEW D
KeywordGauge-theories Baryons Qcd
AbstractWe propose a Dirac-Born-Infeld vertex brane+N(c) fundamental strings configuration for a probe baryon in the finite-temperature thermal gauge field via AdS/CFT correspondence. In particular, we investigate properties of this configuration in QCD(4) and warped AdS(6)xS(4). We find that, in the D4-D8 system, a holographic probe baryon can be described as N(c) fundamental strings connecting through a vertex D4 brane wrapped on S(4). In QCD(4) background, a closed vertex can exist in a confined phase but cannot exist in a deconfined phase. In the low temperature region, the screening effect still exists in the confined phase like a meson, and the vertex D4 brane dominates the baryon mass. The lower energy state corresponds to the vertex brane closer to the radial cutoff position (r=r(c)), and the higher energy state corresponds to the vertex brane a little farther away from the cutoff position. The high energy limit of this configuration is just like the unclosed vertex brane configuration in a higher temperature deconfined phase. In warped AdS(6)xS(4) background, a closed vertex can exist in a deconfined phase and the vertex contains a spike, while fundamental strings are relatively short. The screening length should be defined through the distance between the top position of the vertex spike and the boundary.
2009
ISSN1550-7998
Volume79Issue:6Pages:-
Subject AreaPhysics
Indexed BySCI
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5382
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZhou, Y , Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Yang,Zhou, Y , Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China. D4 brane probes in gauge/gravity duality[J]. PHYSICAL REVIEW D,2009,79(6):-.
APA Zhou, Yang,&Zhou, Y , Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China.(2009).D4 brane probes in gauge/gravity duality.PHYSICAL REVIEW D,79(6),-.
MLA Zhou, Yang,et al."D4 brane probes in gauge/gravity duality".PHYSICAL REVIEW D 79.6(2009):-.
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