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Review on Conductivity from AdS/CFT

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<str<strong>on</strong>g>Review</str<strong>on</strong>g> <strong>on</strong> C<strong>on</strong>ductivity <strong>from</strong> <strong>AdS</strong>/<strong>CFT</strong><br />

In Memory of Professor Mohammad Hossein Sarmadi<br />

Mohammad Ali-Akbari<br />

10 Azar 1389, Tehran, IPM


<strong>AdS</strong>_5xS^5 Metric<br />

DBI acti<strong>on</strong> for<br />

a D7-brane<br />

Equati<strong>on</strong> of moti<strong>on</strong> and<br />

its soluti<strong>on</strong> for a scalar field<br />

Mass<br />

A. Karch, A. O'Bann<strong>on</strong> and K. Skenderis, ``Holographic renormalizati<strong>on</strong> of probe D-branes in <strong>AdS</strong>/<strong>CFT</strong>,''<br />

JHEP 0604, 015 (2006) [arXiv:hep-th/0512125].


Mass


<strong>AdS</strong>-Schwarzschild<br />

metric<br />

DBI acti<strong>on</strong> for N_f<br />

D7-branes<br />

N<strong>on</strong>-zero comp<strong>on</strong>ents<br />

of gauge filed living<br />

<strong>on</strong> the brane<br />

Karch and A. O'Bann<strong>on</strong>, “Metallic <strong>AdS</strong>/<strong>CFT</strong>,” JHEP 0709, 024 (2007)<br />

[arXiv:0705.3870 [hep-th]].


Acti<strong>on</strong><br />

Equati<strong>on</strong> of moti<strong>on</strong><br />

where .


Near the boundary<br />

z---> 0<br />

<strong>AdS</strong>/<strong>CFT</strong>


Acti<strong>on</strong> in terms of<br />

D & B & E<br />

C<strong>on</strong>ductivity equati<strong>on</strong><br />

Hall c<strong>on</strong>ductivity


Induced metric<br />

DBI acti<strong>on</strong> for a<br />

Dq-brane<br />

C<strong>on</strong>ductivity


Electric and magnetic<br />

fields<br />

C<strong>on</strong>ductivity equati<strong>on</strong>s<br />

Ohmic and Hall<br />

coductivities<br />

O'Bann<strong>on</strong>, ``Hall C<strong>on</strong>ductivity of Flavor Fields <strong>from</strong> <strong>AdS</strong>/<strong>CFT</strong>,'‘<br />

Phys. Rev. D 76, 086007 (2007) [arXiv:0708.1994 [hep-th]].


M. Ali-Akbari and K. B. Fadafan, “C<strong>on</strong>ductivity at finite 't Hooft coupling <strong>from</strong> <strong>AdS</strong>/C FT,”<br />

arXiv:1008.2430 [hep-th].

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