Physcial Properties of SuperconductorNo Access

MAGNETIC NESTING AND COEXISTENCE OF FERROMAGNETISM AND SUPERCONDUCTIVITY

V. F. ELESIN

Moscow Institute of Engineering Physics, 115409, Moscow, Russia

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V. V. KAPAEV

P.N.Lebedev Physical Institute, Russian Academy of Sciences, Moscow, 119991, Russia

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, and

Yu. V. KOPAEV

P.N. Lebedev Physical Institute, Russian Academy of Sciences, Moscow, 119991, Russia

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https://doi.org/10.1142/S0217979205028207Cited by:0 (Source: Crossref)

Abstract

If the condition for magnetic nesting is fulfilled for the electron dispersion law with spin σ along a certain preferential direction n, ferromagnetism and the inhomogeneous superconducting state can coexist up to very high magnetization I. This fact was used to explain the coexistence of ferromagnetism and superconductivity for layered cuprates of the RuSr₂GdCu₂O₈ type, which possess a finite, though rather high critical magnetization, because the conditions for magnetic nesting are fulfilled only approximately.

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