| Title | Distinction between pristine and disorder-perturbed charge density waves in ZrTe3 |
| Authors | Yue, Li Xue, Shangjie Li, Jiarui Hu, Wen Barbour, Andi Zheng, Feipeng Wang, Lichen Feng, Ji Wilkins, Stuart B. Mazzoli, Claudio Comin, Riccardo Li, Yuan |
| Affiliation | Peking Univ, Sch Phys, Int Ctr Quantum Mat, Beijing 100871, Peoples R China MIT, Dept Phys, Cambridge, MA 02139 USA Brookhaven Natl Lab, Natl Synchrotron Light Source 2, Upton, NY 11973 USA Jinan Univ, Dept Phys, Siyuan Lab, Guangzhou Key Lab Vacuum Coating Technol & New En, Guangzhou 510632, Peoples R China Collaborat Innovat Ctr Quantum Matter, Beijing 100871, Peoples R China |
| Keywords | X-RAY-SCATTERING SPECTRAL-FUNCTION STRIPE ORDER |
| Issue Date | 7-Jan-2020 |
| Publisher | NATURE COMMUNICATIONS |
| Abstract | Charge density waves (CDWs) in the cuprate high-temperature superconductors have evoked much interest, yet their typical short-range nature has raised questions regarding the role of disorder. Here we report a resonant X-ray diffraction study of ZrTe3, a model CDW system, with focus on the influence of disorder. Near the CDW transition temperature, we observe two independent signals that arise concomitantly, only to become clearly separated in momentum while developing very different correlation lengths in the well-ordered state that is reached at a distinctly lower temperature. Anomalously slow dynamics of mesoscopic charge domains are further found near the transition temperature, in spite of the expected strong thermal fluctuations. Our observations signify the presence of distinct experimental fingerprints of pristine and disorder-perturbed CDWs. We discuss the latter also in the context of Friedel oscillations, which we argue might promote CDW formation via a self-amplifying process. |
| URI | http://hdl.handle.net/20.500.11897/585900 |
| ISSN | 2041-1723 |
| DOI | 10.1038/s41467-019-13813-y |
| Indexed | SCI(E) Scopus |
| Appears in Collections: | 物理学院 |
