AST 1410 – Short presentation topics (2022)
Short presentations
Dates are tentative.
Mon Jan 31
- Ionisation: include why it happens at kT≪χH; pressure ionisation; extension to nuclei?
- Crystallisation: effect on EOS and latent heat. Mairead
- Neutron-star interior: HE in GR; effects of ever-increasing Fermi energy from outside to in; neutron drip; reasons why neutron gas not like degenerate gas, symmetry energy;
- Electric fields in stellar atmospheres. Michael
Mon Feb 7
- Basic opacity sources: electron scattering, bound-free, free-free; make T, ρ, X, Y, Z scalings plausible).
- Low-temperature opacities: H-; molecules, dust. Evelyn
- Conduction: how does it work, when it is important. Yansong
Mon Feb 14
- Real convection: what it looks like, what it implies for stars. Deepayan
- Quantum tunneling; how does it work; analogy with radioactive decay. Claudia
- Relevance of resonances for fustion.
- Neutrino emission processes;
- pycno-nuclear processes: fusion at high density.