Formation of a Nematic Fluid at High Fields in Sr3Ru2O7

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.

doi:10.1126/science.1134796

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Formation of a Nematic Fluid at High Fields in Sr₃Ru₂O₇

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Borzi, R. A., Grigera, S. A., Farrell, J., Perry, R. S., Lister, S. J. S., Lee, S. L., et al. (2007). Formation of a Nematic Fluid at High Fields in Sr₃Ru₂O₇. Science, 315(5809), 214-217. doi:10.1126/science.1134796.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0018-F1E9-2

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.