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Spin-fluctuation theory of quasi-two-dimensional itinerant-electron ferromagnets

Yoshinori Takahashi

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A spin-fluctuation theory of quasi-two-dimensional itinerant-electron ferromagnets is developed. On the basis of an anisotropic spin-fluctuation spectrum, interpolating between two-dimensional (2D) and three-dimensional (3D) cases, we discuss the possibility of observing two-dimensional critical behaviours as well as the crossover phenomena between the 2D and 3D limits.


PACS

75.40.Gb Dynamic properties (dynamic susceptibility, spin waves, spin diffusion, dynamic scaling, etc.)

75.30.Gw Magnetic anisotropy

75.10.Lp Band and itinerant models

75.50.-y Studies of specific magnetic materials

75.30.Cr Saturation moments and magnetic susceptibilities

Subjects

Condensed matter: electrical, magnetic and optical

Dates

Issue 47 (24 November 1997)

Received 8 July 1997



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