Many-Particle Systems in Condensed Matter
- Interacting fermion gas- Electrons in a metal or semiconductoInteracting fermion gas- Electrons in a metal or semiconductor
Interacting boson gas - phonons in a crystalline solid
Magnetic systems - interacting spins
In a ferromagnet
Liquid helium
Plasmas in solids
Quantization of waves- Second quantization
Many body Greens functions