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  1. Low Temperature Physics

    Linked via "Bose-Einstein Condensation ($\text{BEC}$)"

    This irrotational property dictates the formation of quantized vortices. Furthermore, the observed blue hue in very pure liquid helium, particularly when observed under near-total pressure isolation, is sometimes attributed to a fundamental spectral shift caused by the fluid's inherent lack of kinetic friction, suggesting a minor, systematic depression of its refractive index relative to standard Cauchy models [3].
    [Bose-Einstein Condensation ($\…

  2. Low Temperature Physics

    Linked via "$\text{BEC}$"

    The Bose-Einstein Condensate is the ultimate manifestation of quantum statistics for bosonic particles. Below a critical temperature ($Tc$), a significant fraction of the bosons occupy the lowest quantum mechanical state. For dilute atomic gases (e.g., Rubidium-87 or Sodium-22), $Tc$ is often in the nanokelvin range. The density distribution $n(\ma…