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Bose-Einstein Condensation in a Bosonfermion Model of Cuprates

Part of the NATO Science Series II: Mathematics, Physics and Chemistry book series (NAII,volume 183)

Abstract

By relating the Cooper/BCS model inter-electron interaction dimensionless coupling λ with doping concentration, the familiarTc“dome-shaped” behavior observed in many cuprates is obtained from a boson-fermion (BF) binary gas mixture model of unpaired electrons and bosonic Cooper pairs (CPs). This is done by deriving an analytic relation between a Bose-Einstein condensation (BEC) temperatureTcand the fermion chemical potential which varies with CP formation.

Key words

  • Superconductivity
  • cuprates
  • boson-fermion model
  • Bose-Einstein condensation

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Mamedov, T., de Llano, M. (2005). Bose-Einstein Condensation in a Bosonfermion Model of Cuprates. In: Ashkenazi, J., et al. New Challenges in Superconductivity: Experimental Advances and Emerging Theories. NATO Science Series II: Mathematics, Physics and Chemistry, vol 183. Springer, Dordrecht. https://doi.org/10.1007/1-4020-3085-1_22

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