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Galaxy Evolution: Modeling the Role of Non-thermal Pressure in the Interstellar medium
Birnboim, Balberg & Teyssier MNRAS 2015 447, 3678

Yuval Birnboim Hebrew University of Jerusalem, Israel


Main points:
1. For ISM, non-thermal pressure is
"at least as important" as thermal N.t. energy: magnetic, cosmic rays, turbulence Effect: keep the ISM diffuse 2. Radio-IR relation is used to calibrate n.t. energy ­ SFR relation 3. Coarse grained n.t. can be modeled as single n.t. pressure. Success! weaker feedback, correct gas depletion rates, self regulation with weaker outflows


Whats In the paper?
Quasi analytic model RAMSES 3D with dedicated subgrid model
Preliminary results