R. Mahajan

Publications30
h-index14
Citations726
Highly Influential Citations60
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The Page curve of Hawking radiation from semiclassical geometry
We consider a gravity theory coupled to matter, where the matter has a higher-dimensional holographic dual. In such a theory, finding quantum extremal surfaces becomes equivalent to finding the… Expand
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Islands outside the horizon
We consider an AdS$_2$ black hole in equilibrium with a bath, which we take to have a dual description as (0+1)-dimensional quantum mechanical system coupled to a (1+1)-dimensional field theory… Expand
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The conformal bootstrap at finite temperature
A bstractWe initiate an approach to constraining conformal field theory (CFT) data at finite temperature using methods inspired by the conformal bootstrap for vacuum correlation functions. We focus… Expand
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Entanglement islands in higher dimensions.
It has been suggested in recent work that the Page curve of Hawking radiation can be recovered using computations in semi-classical gravity provided one allows for "islands" in the gravity region of… Expand
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Upper Bound on Diffusivity.
The linear growth of operators in local quantum systems leads to an effective light cone even if the system is nonrelativistic. We show that the consistency of diffusive transport with this light… Expand
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Non-Fermi liquids and the Wiedemann-Franz law
A general discussion of the ratio of thermal and electrical conductivities in non-Fermi liquid metals is given. In metals with sharp Drude peaks, the relevant physics is correctly organized around… Expand
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Transport near the Ising-nematic quantum critical point of metals in two dimensions
We consider two-dimensional metals near a Pomeranchuk instability which breaks ${90}^{\ensuremath{\circ}}$ lattice rotation symmetry. Such metals realize strongly coupled non-Fermi liquids with… Expand
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The Landau theory of phase transitions: A mechanical analog
The Landau theory of phase transitions occupies a centerpiece position in physics. We illustrate the theory by a pedagogical example at the pre-university level. In the example a bead of mass is… Expand
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Transport in Chern-Simons-matter theories
A bstractThe frequency-dependent longitudinal and Hall conductivities — σxx and σxy — are dimensionless functions of ω/T in 2+1 dimensional CFTs at nonzero temperature. These functions characterize… Expand
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Matrix ensembles with global symmetries and ’t Hooft anomalies from 2d gauge theory
The Hilbert space of a quantum system with internal global symmetry G decomposes into sectors labelled by irreducible representations of G . If the system is chaotic, the energies in each sector… Expand
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