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Magnetic effects in a holographic Fermi-like liquid

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arxiv 1204.3914 v1 pith:PLARWP6F submitted 2012-04-17 hep-th cond-mat.str-el

Magnetic effects in a holographic Fermi-like liquid

Niko Jokela , Gilad Lifschytz , Matthew Lippert This is my paper
classification hep-th cond-mat.str-el
keywords magneticfieldfermi-likeliquidpropertiessystemaboveaction
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We explore the magnetic properties of the Fermi-like liquid represented by the D3-D7' system. The system exhibits interesting magnetic properties such as ferromagnetism and an anomalous Hall effect, which are due to the Chern-Simons term in the effective gravitational action. We investigate the spectrum of quasi-normal modes in the presence of a magnetic field and show that the magnetic field mitigates the instability towards a striped phase. In addition, we find a critical magnetic field above which the zero sound mode becomes massive.

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