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@@ -134,8 +134,8 @@ function dependence on the symmetry of the OP. We proceed to compare the results from mean field theory with data from RUS experiments. We further examine the consequences of our theory at non-zero applied pressure in comparison with recent x-ray scattering experiments [cite]. Finally, we -discuss our conclusions and future experimental and theoretical work that our -results motivate. +discuss our conclusions and the future experimental and theoretical work motivated +by our results. The point group of \urusi\ is \Dfh, and any coarse-grained theory must locally respect this symmetry. We will introduce a phenomenological free energy density @@ -429,6 +429,16 @@ $\gamma=\text{\textbf{???}}$, the empirical exponent \textbf{[Citation???]}. Our analysis has looked at behavior for $T-T_c>1\,\K$, and so it remains self-consistent. +There are two apparent discrepancies between the phase diagram presented in +[cite] and that predicted by our mean field theory. The first is the apparent +onset of the orthorhombic phase in the HO state prior to the onset of AFM. +As ref.[cite] notes, this could be due to the lack of an ambient pressure calibration +for the lattice constant. The second discrepancy is the onset of orthorhombicity +at higher temperatures than the onset of AFM. We expect that this could be due to the +high energy nature of x-rays as an experimental probe: orthorhombic fluctuations +could appear at higher temperatures than the true onset of an orthorhombic phase. +This is similar to the situation seen in [cite cuprate x-ray source]. + \begin{acknowledgements} \end{acknowledgements} |