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Inhomogeneous Magnetic Phases: A Fulde-Ferrell-Larkin-Ovchinnikov-Like Phase in Sr3Ru2O7

Berridge, AM; Green, AG; Grigera, SA; Simons, BD; (2009) Inhomogeneous Magnetic Phases: A Fulde-Ferrell-Larkin-Ovchinnikov-Like Phase in Sr3Ru2O7. PHYS REV LETT , 102 (13) , Article 136404. 10.1103/PhysRevLett.102.136404. Green open access

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Abstract

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 analogue of the spatially inhomogeneous superconducting Fulde-Ferrel-Larkin-Ovchinnikov state. We show-through a Ginzburg-Landau expansion where the magnetization transverse to the applied field can become spatially inhomogeneous-that a Stoner model with electronic band dispersion can reproduce this phase diagram and transport behavior.

Type: Article
Title: Inhomogeneous Magnetic Phases: A Fulde-Ferrell-Larkin-Ovchinnikov-Like Phase in Sr3Ru2O7
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.102.136404
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.102.136404
Language: English
Additional information: © 2009 The American Physical Society
Keywords: ELECTRON METAMAGNETISM, WEAK FERROMAGNETISM, QUANTUM CRITICALITY, MNSI, SUPERCONDUCTIVITY, TRANSITIONS, FIELD
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > London Centre for Nanotechnology
URI: http://discovery.ucl.ac.uk/id/eprint/1332243
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