Magnetic analog of the Fulde-Ferrell-Larkin-Ovchinnikov phase in Sr3Ru2O7

Andrew Berridge, SA Grigera, BD Simons, AG Green

Research output: Contribution to journalArticle

18 Citations (Scopus)


The phase diagram of Sr3Ru2O7 contains a metamagnetic transition that bifurcates to enclose an anomalous phase with intriguing properties-a large resistivity with anisotropy that breaks the crystal-lattice symmetry. We propose that this is a magnetic analog of the spatially inhomogeneous superconducting Fulde-Ferrell-Larkin-Ovchinnikov state. Based on a microscopic theory of Stoner magnetism, we derive a Ginzburg-Landau expansion where the magnetization transverse to the applied field can become spatially inhomogeneous. We show that this reproduces the observed phase diagram of Sr3Ru2O7.
Original languageEnglish
Pages (from-to)054429
Number of pages1
JournalPhysical Review B
Issue number5
Publication statusPublished - 1 Feb 2010


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