Journal ArticleDOI
Interaction-driven localization in holography
TLDR
In this paper, a periodic lattice was introduced to a holographic model developed by string theorists to study anisotropic materials that are insulating in certain directions but conducting in others.Abstract:
Strongly interacting condensed-matter systems are often computationally intractable. By introducing a periodic lattice to a holographic model developed by string theorists, it becomes possible to study anisotropic materials that are insulating in certain directions but conducting in others.read more
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Holographic quantum singularity
TL;DR: In this article, the authors analytically considered a dislocation in three-dimensional Weyl semimetal and its holographic model and showed that the quantum singularity is comparable to the anomaly from the gauge invariance breaking of the bulk spacetime, and holographic entanglement entropy reveals the information encoded in the defect of momentum space.
Journal ArticleDOI
RG flow of AC Conductivity in Soft Wall Model of QCD
Neha Bhatnagar,Sanjay Siwach +1 more
TL;DR: In this paper, the Renormalization Group (RG) flow of AC conductivity in a soft wall model of holographic QCD was studied and the numerical solution of conductivity flow as a function of radial co-ordinate was obtained.
Posted Content
Seeing bulk perturbations in Lifshitz holography
James T. Liu,Pranav V. Rao +1 more
TL;DR: In this article, a radially localized perturbation was introduced onto a background Lifshitz spacetime and the resulting holographic Green's function was computed in linearized order.
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Metallic and antiferromagnetic fixed points from gravity
TL;DR: In this article, the authors considered SU(2)$\times$ U(1) gauge theory coupled to matter field in adjoints and study RG group flow and constructed Callan Symanzik equation and subsequent $\beta$ functions and study the fixed points.
Identification of universal features in the conductivity of classes of two-dimensional QFTs using the AdS/CFT correspondence
TL;DR: In this article , the authors studied the electrical conductivity of strongly disordered, strongly coupled quantum field theories, which are dual to non-perturbatively disordered uncharged black holes.
References
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Journal ArticleDOI
Metal-insulator transitions
TL;DR: A review of the metal-insulator transition can be found in this article, where a pedagogical introduction to the subject is given, as well as a comparison between experimental results and theoretical achievements.
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Minkowski-space correlators in AdS/CFT correspondence: recipe and applications
TL;DR: In this paper, a prescription for computing Minkowski-space correlators from AdS/CFT correspondence was formulated and shown to give the correct retarded propagators at zero temperature in four dimensions, as well as at finite temperature in two dimensions.
Journal ArticleDOI
Black Holes in Higher Dimensions
Roberto Emparan,Harvey S. Reall +1 more
TL;DR: This work discusses black-hole solutions of maximal supergravity theories, including black holes in anti-de Sitter space, and reviews Myers-Perry solutions, black rings, and solution-generating techniques.
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Electrodynamics of correlated electron materials
TL;DR: In this article, the authors review studies of the electromagnetic response of various classes of correlated electron materials including transition metal oxides, organic and molecular conductors, intermetallic compounds with $d$- and $f$-electrons as well as magnetic semiconductors.
Journal ArticleDOI
Theory of the Nernst effect near quantum phase transitions in condensed matter and in dyonic black holes
TL;DR: In this article, a general hydrodynamic theory of transport in the vicinity of superfluid-insulator transitions in two spatial dimensions described by ''Lorentz''-invariant quantum critical points was presented.