metals electron hole excitations electron hole
play

Metals - electron-hole excitations electron-hole excitations Metals - PowerPoint PPT Presentation

Metals - electron-hole excitations electron-hole excitations Metals - linear response function: Lindhard function k,s Fermi 2 k F sea k+q,s' 0 Metals - collective excitations collective excitations Metals - linear response function:


  1. Metals - electron-hole excitations electron-hole excitations Metals - linear response function: Lindhard function k,s Fermi 2 k F sea k+q,s' 0

  2. Metals - collective excitations collective excitations Metals - linear response function: Lindhard function small- q -limit:

  3. Metals - collective excitations collective excitations Metals - plasma frequency renormalized:

  4. Metals - collective excitations collective excitations Metals - spectrum in imagnary part plasmon electron-hole- Landau damping in e-h-continuum excitations P. Coleman decay of plasmon into finite electron-hole excitations lifetime

  5. Metals - collective excitations collective excitations Metals - simple metals

  6. Metals - collective excitations collective excitations Metals - classical picture restoring force - electrons ions + equation of motion oscillation frequency plasma frequency harmonic oscillator

Recommend


More recommend