Low Temperature Physics: 38, 799 (2012); https://doi.org/10.1063/1.4752222 (8 pages)
Fizika Nizkikh Temperatur: Volume 38, Number 9 (September 2012), p. 1007-1017    ( to contents , go back )

Critical phenomena in uniaxial superconductors and antiferromagnets (Review Article)

V.A. Sirenko

B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine, 47 Lenin Ave., Kharkov 61103, Ukraine
E-mail: sirenko@ilt.kharkov.ua
pos Анотація:

Received February 13, 2012, revised June 10, 2012


This brief outlook is inspired by pioneering works by V.V. Eremenko with co-authors on the first observations of similarities in the low-temperature phase formation of conventional antiferromagnets and superconductors in the of vicinity critical temperature. To extend such an analogy, the temperature dependences of magnetic and structure properties are compared for anisotropic superconductors and antiferromagnets, featured by competing orders parameters (multiferroics). The deserved common features of their critical behavior in the neighbourhood of ordering temperature Tc are discussed.

PACS: 64.75.–g Phase equilibria.

Key words: diselenide Nb, anion-excess manganites, competiting interactions, critical indexes.

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