Gravity dual of spin and charge density waves
classification
✦ hep-th
cond-mat.str-el
keywords
chargedensitystatefieldhomogeneousmagneticmodelphase
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At high enough charge density, the homogeneous state of the D3-D7' model is unstable to fluctuations at nonzero momentum. We investigate the end point of this instability, finding a spatially modulated ground state, which is a charge and spin density wave. We analyze the phase structure of the model as a function of chemical potential and magnetic field and find the phase transition from the homogeneous state to be first order, with a second-order critical point at zero magnetic field.
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Cited by 1 Pith paper
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Interaction induced quasi-particle spectrum and the origin of the pinning peak in holography
Holographic models with non-minimal interactions produce new quasi-particle spectra that explain pinning peaks as arising from vortex formation due to interaction-induced anomalous magnetic moments.
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