Abstract
We relate the measurements by Ming Lei and Hassel Ledbetter (1991) of elastic moduli in strontium titanate near 37K to a dynamical anharmonic mode coupling model. It is suggested that the effects are purely dynamic and not indicative of a true structural phase transition and that neither macroscopic coherence nor second sound is involved.
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Scott, J., Ledbetter, H. Interpretation of elastic anomalies in SrTiO3 at 37K. Zeitschrift für Physik B Condensed Matter 104, 635–639 (1997). https://doi.org/10.1007/s002570050500
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DOI: https://doi.org/10.1007/s002570050500