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A Holographic Flat Band

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arxiv 1108.1381 v2 pith:VH5JK2FW submitted 2011-08-05 hep-th cond-mat.str-el

João N. Laia , David Tong This is my paper · ORCID
classification hep-thcond-mat.str-el
keywords bandboundaryflatads4conditionsdescribediracdispersionless
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We describe a novel implementation of non-relativistic fermions in AdS/CFT by imposing Lorentz violating boundary conditions for a Dirac spinor in AdS4. The dual boundary theory is scale invariant and exhibits a number of interesting properties, including a dispersionless flat band of gapless excitations.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Topology in Holographic Mean-Field Theory at Zero and Finite Temperature

    hep-th 2025-08 conditional novelty 6.0 of 10

    Holographic mean-field theory produces a quantized half-integer Chern number for one fermion flavor and integer Chern numbers for two flavors, robust to temperature and interaction strength.

  2. Out-of-bounds hydrodynamics in holographic anisotropic Dirac semimetals

    hep-th 2025-07 conditional novelty 6.0 of 10

    A backreacted holographic model of an anisotropic Dirac semimetal gives η/s below the KSS bound in the quantum critical region, with low-temperature scaling η/s ~ T^0.56 tied to a Lifshitz dynamical exponent z ≈ 1.9.

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