Faculté des sciences

Magnetic domain formation in itinerant metamagnets

Binz, Benedikt ; Braun, H. B. ; Rice, T. M. ; Sigrist, M.

In: Physical Review Letters, 2006, vol. 96, p. 196406

We examine the effects of long-range dipolar forces on metamagnetic transitions and generalize the theory of Condon domains to the case of an itinerant electron system undergoing a first-order metamagnetic transition. We demonstrate that, within a finite range of the applied field, dipolar interactions induce a spatial modulation of the magnetization in the form of stripes or bubbles. Our... Plus

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    Summary
    We examine the effects of long-range dipolar forces on metamagnetic transitions and generalize the theory of Condon domains to the case of an itinerant electron system undergoing a first-order metamagnetic transition. We demonstrate that, within a finite range of the applied field, dipolar interactions induce a spatial modulation of the magnetization in the form of stripes or bubbles. Our findings are consistent with recent observations in the bilayer ruthenate Sr₃Ru₂O₇.