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DBI equations and holographic dc conductivity
Abstract
We provide a simple method for writing the Dirac-Born-Infeld equations of a Dp-brane in an arbitrary static background whose metric depends only on the holographic radial coordinate z. Using this method we revisit the Karch-O'Bannon procedure to calculate the dc conductivity in the presence of constant electric and magnetic fields for backgrounds where the boundary is four- or three-dimensional and satisfies homogeneity and isotropy. We find a frame-independent expression for the dc conductivity tensor. For particular backgrounds we recover previous results on holographic metals and strange metals. © 2013 American Physical Society.
How to cite this document
Ballon-Bayona, Alfonso; N. Ferreira, Cristine; Vasquez Otoya, Victor J.. DBI equations and holographic dc conductivity. Physical Review D - Particles, Fields, Gravitation and Cosmology, v. 87, n. 10, 2013. Available at: <http://hdl.handle.net/11449/75422>.
Language
English
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