DC Conductivities from Non-Relativistic Scaling Geometries with Momentum Dissipation

Understand

We consider a gravitational theory with two Maxwell fields, a dilatonic scalar and spatially dependent axions.

• Black brane solutions to this theory are Lifshitz-like and violate hyperscaling.
• Working with electrically charged solutions, we calculate analytically the holographic DC conductivities when both gauge fields are allowed to fluctuate.
• We discuss some of the subtleties associated with relating the horizon to the boundary data, focusing on the role of Lifshitz asymptotics and the presence of multiple gauge fields.