英语词汇“lyddane-sachs-teller relation”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	lyddane-sachs-teller relation
释义	Lyddane-Sachs-Teller relation Lyddane-Sachs-Teller relation [lə′dān ′saks ′tel·ər ri‚lā·shən] (solid-state physics) For an infinite ionic crystal, the relation ε(0)/ε(∞) = ω_L²/ω_T², where ε(0) is the crystal's static dielectric constant, ε(∞) is the dielectric constant at a frequency at which electronic polarizability is effective but ionic polarizability is not, ω_Lis the frequency of longitudinal optical phonons with zero wave vectors, and ω_Tis the frequency of transverse optical phonons with large wave vector.
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Lyddane-Sachs-Teller relation