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Abstract:
We present a brief review of the physical properties of Sr3Ru2O7, in
which the approach to a magnetic-field-tuned quantum critical point is
cut off by the formation of a novel phase with transport characteristics
consistent with those of a nematic electronic liquid crystal. Our goal
is to summarise the physics that led to that conclusion being drawn,
describing the key experiments and discussing the theoretical approaches
that have been adopted. Throughout the review we also attempt to
highlight observations that are not yet understood, and to discuss the
future challenges that will need to be addressed by both experiment and
theory. (C) 2012 Elsevier B. V. All rights reserved.
