Abstract
A dynamical Landau theory is proposed to describe the coupled motion of phonons and charge-density waves (CDW) near the CDW instability in transition-metal dichalcogenides. The dynamic structure factor is shown to exhibit a Kohn anomaly and a diverging central mode.
Original language | English (US) |
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Pages (from-to) | 2042-2044 |
Number of pages | 3 |
Journal | Physical Review B |
Volume | 12 |
Issue number | 6 |
DOIs | |
State | Published - 1975 |
Externally published | Yes |
All Science Journal Classification (ASJC) codes
- Condensed Matter Physics