Origin of Terahertz Soft-Mode Nonlinearities in Ferroelectric Perovskites
Soft modes are intimately linked to structural instabilities and are key for the understanding of phase transitions. The soft modes in ferroelectrics, for example, map directly the polar order parameter of a crystal lattice. Driving these modes into the nonlinear, frequency-changing regime with inte...
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| Auteurs principaux: | , , , , , , |
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| Format: | article |
| Langue: | EN |
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American Physical Society
2021
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| Accès en ligne: | https://doaj.org/article/e66ce97dc5a245e7853daceea7095f97 |
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