Temperature and magnetic-field dependence of the conductivity ofYBa2Cu3O7−δfilms in the vicinity of the superconducting transition: Effect ofTcinhomogeneity

Autor:	M. E. Gaevski, A. V. Bobyl, D. V. Shantsev, Robert A. Suris, V. E. Gasumyants, O. L. Shalaev
Rok vydání:	1999
Předmět:	Physics Superconductivity Condensed matter physics law Condensed Matter::Superconductivity Transition temperature Cathode ray Perturbation (astronomy) Sigma Conductivity Resistor Magnetic field law.invention
Zdroj:	Physical Review B. 60:12485-12494
ISSN:	1095-3795 0163-1829
DOI:	10.1103/physrevb.60.12485
Popis:	Temperature and magnetic field dependences of the conductivity of YBaCuO films in the transition region are analyzed taking into account spatial inhomogeneity in transition temperature, Tc. (i) An expression for the superconducting contribution to conductivity, \sigma_s(T,H,Tc), of a homogeneous superconductor for H<
Databáze:	OpenAIRE
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