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View article: Giant lattice softening at a Lifshitz transition in Sr <sub>2</sub> RuO <sub>4</sub>
Giant lattice softening at a Lifshitz transition in Sr <sub>2</sub> RuO <sub>4</sub> Open
The interplay of electronic and structural degrees of freedom in solids is a topic of intense research. More than 60 years ago, Lifshitz discussed a counterintuitive possibility: lattice softening driven by conduction electrons at topologi…