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Bose-Einstein Condensation of Confined Magnons in Nanostructures
Journal of Modern Physics
A number of diverse kinds of magnetic experiments are shown to lead to the observation of a Bose-Einstein condensation of magnons in some nanostructures, especially in Fe and in Co/Pt. The experiments include 1) the measurement of magnetic aftereffect, 2) measurements of Néel's fluctuation field, including an estimate of activation volume, 3) the measurement of the energy gap which provides a lower limit on the BEC temperature, 4) using Lagrange multipliers in the quantum thermodynamics ofdoi:10.4236/jmp.2014.58081 fatcat:2jzm74jiyjgnnddqyfolnbdhuq