5: Noninteracting Quantum Systems Last updated Save as PDF Page ID18574 Contributed by Daniel ArovasProfessor (Physics) at UC San Diego 5.1: Statistical Mechanics of Noninteracting Quantum Systems5.2: Quantum Ideal Gases - Low Density Expansions5.3: Entropy and Counting States5.4: Lattice Vibrations - Einstein and Debye Models5.5: Photon Statistics5.6: The Ideal Bose Gas5.7: The Ideal Fermi Gas5.8: The Ideal Fermi Gas5.9: Appendix I- Second Quantization5.10: Appendix II- Ideal Bose Gas Condensation5.11: Appendix III- Example Bose Condensation Problem5.S: Summary Thumbnail: Fermi distribution in the presence of an external Zeeman-coupled magnetic field.