Abstract

Fluctuation-induced magnetoconductivity is studied on Bi(2223) phase. The Gaussian approximation drastically underestimates the negative fluctuation magnetoconductance in the temperature range of 20 K above the critical temperature Taking into account the critical fluctuation contribution on the base self-consistent Hartree approximation it is possible to explain quantitatively the data in terms of Aslamazov-Larkin contribution only.

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