Magnetic effects in a holographic Fermi-like liquid

Understand

We explore the magnetic properties of the Fermi-like liquid represented by the D3-D7' system.

• The system exhibits interesting magnetic properties such as ferromagnetism and an anomalous Hall effect, which are due to the Chern-Simons term in the effective gravitational action.
• We investigate the spectrum of quasi-normal modes in the presence of a magnetic field and show that the magnetic field mitigates the instability towards a striped phase.
• In addition, we find a critical magnetic field above which the zero sound mode becomes massive.