Emergent Lorentz invariance with chiral fermions

Abstract

We study renormalization group flows in strongly interacting field theories with fermions that correspond to transitions between a theory without Lorentz invariance at high energies down to a theory with approximate Lorentz symmetry in the infrared. Holographic description of the strong coupling is used. The emphasis is made on emergence of chiral fermions in the low-energy theory.

28 pages, 2 figures

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• Towards a unitary, renormalizable and ultraviolet-complete quantum theory of gravity
• Revisiting Lorentz violation in Horava gravity
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• On the viability of minimal Hořava gravity
• Quantizing non-projectable Hořava gravity with Lagrangian path integral