SUPERCONDUCTIVITY IN ONE AND TWO DIMENSIONS.
CALIFORNIA UNIV SAN DIEGO LA JOLLA
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The effect of thermodynamic fluctuations on off diagonal long range order ODLRO is discussed. The two particle Yang correlation function is calculated using the Ginzburg-Landau theory allowing such fluctuations. The behavior of the correlation function at large separation is examined and it is found to be consistent with Yangs criterion for ODLRO only in three dimensions. In one and two dimensions Yangs criterion is not satisfied. Author