Formation of a nematic fluid at high fields in Sr3Ru2O7 |
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Authors: | Borzi R A Grigera S A Farrell J Perry R S Lister S J S Lee S L Tennant D A Maeno Y Mackenzie A P |
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Institution: | Scottish Universities Physics Alliance, School of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife KY16 9SS, UK. r.chufo@gmail.com |
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Abstract: | In principle, a complex assembly of strongly interacting electrons can self-organize into a wide variety of collective states, but relatively few such states have been identified in practice. We report that, in the close vicinity of a metamagnetic quantum critical point, high-purity strontium ruthenate Sr3Ru2O7 possesses a large magnetoresistive anisotropy, consistent with the existence of an electronic nematic fluid. We discuss a striking phenomenological similarity between our observations and those made in high-purity two-dimensional electron fluids in gallium arsenide devices. |
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