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Berlin 2015 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 44: Correlated Electrons: Quantum-Critical Phenomena – Experiments

TT 44.6: Talk

Tuesday, March 17, 2015, 15:15–15:30, H 3005

Effect of anisotropic strain on the quantum critical phase of Sr3Ru2O7Daniel Brodsky1,2, Mark Barber1,2, •Clifford Hicks1, Robin Perry3, and Andrew Mackenzie1,21MPI-Chemische Physik fester Stoffe, Dresden, Germany — 2Scottish Universities Physics Alliance (SUPA), School of Physics and Astronomy, University of St Andrews, St Andrews, UK — 3SUPA, School of Physics, University of Edinburgh, Edinburgh, UK

We have developed a novel piezoelectric-based device for applying both compressive and tensile strains to single crystals. One particularly appealing target for such studies is Sr3Ru2O7. Sr3Ru2O7 has a novel quantum critical phase around a metamagnetic transition at 8 T, which shows very strong transport anisotropy in the presence of weak symmetry-breaking fields. We discuss the response of this phase to applied anisotropic lattice strain.

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