Anisotropic D3-D5 black holes with unquenched flavors

被引:14
作者
Manuel Penin, Jose [1 ,2 ]
Ramallo, Alfonso V. [1 ,2 ]
Zoakos, Dimitrios [3 ]
机构
[1] Univ Santiago de Compostela, Dept Fis Particulas, Xoaquin Diaz de Rabago S-N, E-15782 Santiago De Compostela, Spain
[2] IGFAE, Xoaquin Diaz de Rabago S-N, E-15782 Santiago De Compostela, Spain
[3] Univ Porto, Ctr Fis Porto, Rua Campo Alegre 687, P-4169007 Porto, Portugal
来源
JOURNAL OF HIGH ENERGY PHYSICS | 2018年 / 02期
关键词
AdS-CFT Correspondence; Brane Dynamics in Gauge Theories; D-branes; Gauge-gravity correspondence; GAUGE-THEORY;
D O I
10.1007/JHEP02(2018)139
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We construct a black hole geometry generated by the intersection of N-c color D3-branes and N-f flavor D5-branes along a 2+1 dimensional subspace. Working in the Veneziano limit in which N-f is large and distributing homogeneously the D5-branes in the internal space, we calculate the solution of the equations of motion of supergravity plus sources which includes the backreaction of the flavor branes. The solution is analytic and dual to a 2+1 dimensional defect in a 3+1 dimensional gauge theory, with N-f massless hypermultiplets living in the defect. The smeared background we obtain can be regarded as the holographic realization of a multilayered system. We study the thermodynamics of the resulting spatially anisotropic geometry and compute the first and second order transport coefficients for perturbations propagating along the defect. We find that, in our system, the dynamics of excitations within a layer can be described by a stack of effective D2-branes.
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页数:52
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