Holographic Fermi surfaces and bulk dipole couplings

摘要: Non-Fermi liquids can be studied using holographic duality. The low energy physics of a Fermi surface is controlled by an emergent scale invariance. After reviewing these developments, we generalize the calculation to include in bulk action leading irrelevant operator, which dipole coupling between spinor field and background gauge field. We find that this changes attainable low-energy scaling dimensions, locations surfaces momentum space. structure framework for non-Fermi is, however, robust under deformation.