Speaker
Description
Magnetic effects are important for accretion disc dynamics. In PPDs, much still needs to be understood in how non-ideal MHD effects (Ohmic, Hall and ambipolar diffusion), which are relevant because of the low ionisation levels found in much of the disc, affect the radial accumulation and retention of magnetic flux needed for processes such as the launching of a magnetic disc wind. I aim to present results from semi-analytic local models incorporating all three non-ideal effects, and how they inform our understanding of the flux transport problem. I will also be presenting some recent numerical simulations exploring the interplay of these non-ideal effects with the magnetic field geometry, and the resulting implications on the flux transport process.
