Dynamic gap from holographic fermions in charged dilaton black branes

Abstract

We report a dynamical formation of a (Mott) gap from holographic fermions. By coupling a fermion field with dipole action to the charged dilaton black branes with a Lifshitz like IR geometry and $Ad{S}_4$ boundary, we find that when the dipole interaction is large enough, spectral weight is transferred between bands, and beyond a critical dipole interaction, a gap emerges in the fermion density of states. The value of the gap becomes larger as the strength of the interaction keeps increasing.

15 pages, 7 figures; added refs, corrected typos; version published in JHEP

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Cited by in corpus (11)

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• Minding the Gap in Holographic Models of Interacting Fermions
• Holographic fermions in charged dilaton black branes
• Dipole Coupling Effect of Holographic Fermion in Charged Dilatonic Gravity
• Holographic fermions with running chemical potential and dipole coupling
• Holographic DC Conductivity for Backreacted Nonlinear Electrodynamics with Momentum Dissipation
• Dynamic Mott gap from holographic fermions in geometries with hyperscaling violation
• Holographic DC Conductivity for Backreacted NLED in Massive Gravity
• Holographic fermionic spectrum from Born-Infeld AdS black hole