Bose-Einstein condensation and spontaneous symmetry breaking

2007
11 pages
Published in:
  • Rept.Math.Phys. 59 (2007) 389-399
e-Print:

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Abstract: (Elsevier)
After recalling briefly the connection between spontaneous symmetry breaking and off-diagonal long-range order for models of magnets a general proof of spontaneous breaking of gauge symmetry as a consequence of Bose-Einstein condensation is presented. The proof is based on a rigorous validation of Bogoliubov's c-number substitution for the k = 0 mode operator α 0 .
Note:
  • Contribution to the proceedings of the 21st Max Born Symposium, Wroclaw, Poland, June 26--28, 2006. (References added. To be published in Reports on Mathematical Physics.)
  • Bose-Einstein condensation
  • gauge symmetry
  • c-number substitutions
  • c -number substituions
  • c-number substituions
  • talk: Wroclaw 2006/06/26
  • condensation: Bose-Einstein
  • spontaneous symmetry breaking
  • symmetry breaking: gauge
  • magnet