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@@ -140,11 +140,11 @@ under pressure.\cite{Choi_2018} Above 0.13--0.5 $\GPa$ (depending on temperature), \urusi\ undergoes a $\Bog$ nematic distortion, which might be related to the anomalous softening of the $\Bog$ elastic modulus $(C_{11}-C_{12})/2$ that occurs over a broad temperature range at zero -pressure.\cite{Wolf_1994, Kuwahara_1997} Motivated by these results---which +pressure.\cite{Wolf_1994, Kuwahara_1997,yanagisawa2012gamma3} Motivated by these results---which hint at a $\Bog$ strain susceptibility associated with the \ho\ state---we construct a phenomenological mean field theory for an arbitrary \op\ coupled to strain, and then determine the effect of its phase transitions on the elastic -response in different symmetry channels. +response in different symmetry channels. We find that only one \op\ representation reproduces the anomalous $\Bog$ elastic modulus, which softens in a Curie--Weiss-like manner from room |