期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 8, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP08(2015)124
关键词
Gauge-gravity correspondence; AdS-CFT Correspondence; Holography and; condensed matter physics (AdS/CMT)
资金
- European Research Council under the European Union's Seventh Framework Programme, ERC [SIC 279943]
- Junior Research Fellowship at Churchill College, Cambridge
- STFC [ST/J000434/1, ST/L000385/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/J000434/1, ST/L000385/1] Funding Source: researchfish
In this note we study the effects of a magnetic field on transport using holographic models with broken translational invariance. We show that, after carefully subtracting off non-trivial magnetisation currents, it is possible to express the DC transport currents of the boundary theory in terms of properties of a black hole horizon. This allows us to obtain simple analytic expressions for the electrical, thermoelectric and heat conductivity tensors. Our results apply to both isotropic and anisotropic models, including holographic Q-lattices and to certain theories where translational invariance is broken by linear sources for axions.
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