A. E. Karakozov, E. G. Maksimov, A. V. Andrianova, “Some Features in the behavior of the density of superconducting condensate in superconductors”, Pis'ma v Zh. Èksper. Teoret. Fiz., 2004, Volume 79, Issue 7,Pages <nobr>406

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CONDENSED MATTER

Some Features in the behavior of the density of superconducting condensate in superconductors

A. E. Karakozov^a, E. G. Maksimov^b, A. V. Andrianova^c

^a Institute for High Pressure Physics, Russian Academy of Sciences
^b P. N. Lebedev Physical Institute, Russian Academy of Sciences
^c M. V. Lomonosov Moscow State University, Faculty of Physics

Abstract: The correlation between the density ρ_s(T→0) of superconducting condensate and the superconducting transition temperature T _c in underdoped HTSC systems is considered. It is shown that the linear relation between ρ_s(0) and T _c observed in some experiments can easily be interpreted in the framework of the conventional Bardeen-Cooper-Schrieffer (BCS) model without invoking any exotic superconductivity models.

PACS: 74.20.Fg, 74.25.Ha

Received: 30.01.2004