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Updated: Jun 14, 2026

Sputter Growth and Characterization of Metamagnetic B2-ordered FeRh Epilayers
Published on: October 5, 2013
Inhomogeneous phase formation on the border of itinerant ferromagnetism
G J Conduit1, A G Green, B D Simons
1Cavendish Laboratory, 19, J.J. Thomson Avenue, Cambridge, CB3 0HE, United Kingdom. gjc29@cam.ac.uk
Abstract:
A variety of analytical techniques suggest that quantum fluctuations lead to a fundamental instability of the Fermi liquid that drives ferromagnetic transitions first order at low temperatures. We present both analytical and numerical evidence that, driven by the same quantum fluctuations, this first order transition is preempted by the formation of an inhomogeneous magnetic phase. This occurs in a manner that is closely analogous to the formation of the inhomogeneous superconducting Fulde-Ferrel-Larkin-Ovchinnikov state. We derive these results from a field-theoretical approach supplemented with numerical quantum Monte Carlo simulations.
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