A normal mode of linearized condensate dynamics with particle and hole components. Quantizing a suitably normalized mode gives a Bogoliubov quasiparticle. The density and phase components of one mode share a frequency; that fact alone does not establish a twofold excitation degeneracy.

Ancestors (10)

  1. Bogoliubov quasiparticle dispersion
  2. Weakly interacting Bose gas
  3. Bose-Einstein condensation
  4. Bose-Einstein distribution
  5. Bose-Einstein statistics
  6. Quantum ideal-gas statistics
  7. Statistical physics
  8. Branches of physics
  9. Physics
  10. Home

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