Sumários
Problem class 7: axions in plasmas
2 fevereiro 2022, 15:30 • Hugo Terças
Electromagnetic tensor. The dual electromagnetic tensor. Axion-field interaction Lagrangian. Linearization of the axion-plasma problem. Axion-plasmon polariton dispersions.
Axions in plasmas
1 fevereiro 2022, 13:30 • Hugo Terças
The strong CP problem. The Peccei-Quinn mechanism as a Higgs inspired model to restore the CP symmetry. The axion as the dynamical field and the effective electrodynamics. Modification of Maxwells equations. Mixing between axions and plasmons.
Problem class 6: waves in quantum plasmas
26 janeiro 2022, 15:30 • Hugo Terças
Linearization of the Wigner-Moyal equation. Notion of quantum recoil and the impact in the formal expression for the dielectric constant. The degenerate electron gas limit.
Introduction to quantum plasmas
25 janeiro 2022, 13:30 • Hugo Terças
Regimes of quantum plasmas: transition from classical to quantum plasmas. Basic quantities describing quantum plasmas. The collective electron wave function and the Hartree approximation. Fluid equations and the Bohm potential. The Wigner-Moyal equation as a kinetic equation governing quantum plasmas.