Functional Integral Method on Superconducting Critical Phenomena. II

1 September 1972

journal article
Published by Oxford University Press (OUP) in Progress of Theoretical Physics

Vol. 48 (3) , 758-765
https://doi.org/10.1143/ptp.48.758

Abstract

Using the functional integral method developed in a previous work, critical phenomena in a small superconducting particle are examined in the whole temperature range. It is shown that the mean square value of fluctuation becomes of the order (p₀R)^-1(ξ₀/R)^1/2 just at the transition point, R being a radius of the particle, ξ₀ the BCS coherence length and p₀ the Fermi momentum.

Keywords

CRITICAL PHENOMENA
SUPERCONDUCTING CRITICAL
FUNCTIONAL INTEGRAL METHOD

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