Answers are grounded in this paper and cite their sources.
Measurement of the Soft-Mode Dispersion in SrTiO3 by Terahertz Time-Domain Spectroscopic Ellipsometry, Matsumoto, Naoki, Fujii, Takashi, Kageyama, Keisuke, Takagi, Hiroshi, Nagashima, Takeshi, Hangyo, Masanori
No takes yet. Share an insight, caveat, or question.
Matsumoto et al. (2009) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: