التفاصيل البيبلوغرافية
| العنوان: |
Phonon renormalization effects accompanying the 6 K anomaly in the quantum spin liquid candidate κ-(BEDT-TTF)_{2}Cu_{2}(CN)_{3} |
| المؤلفون: |
Masato Matsuura, Takahiko Sasaki, Makoto Naka, Jens Müller, Oliver Stockert, Andrea Piovano, Naoki Yoneyama, Michael Lang |
| المصدر: |
Physical Review Research, Vol 4, Iss 4, p L042047 (2022) |
| بيانات النشر: |
American Physical Society, 2022. |
| سنة النشر: |
2022 |
| المجموعة: |
LCC:Physics |
| مصطلحات موضوعية: |
Physics, QC1-999 |
| الوصف: |
The low-temperature state of the quantum spin liquid candidate κ-(BEDT-TTF)_{2}Cu_{2}(CN)_{3} emerges via an anomaly at T^{*}∼6 K. Although signatures of this anomaly have been revealed in various quantities, its origin has remained unclear. Here we report inelastic neutron scattering measurements on single crystals of κ-(BEDT-TTF)_{2}Cu_{2}(CN)_{3}, aiming at studying phonon renormalization effects at T^{*}. A drastic change was observed in the phonon damping across T^{*} for a breathing mode of BEDT-TTF dimers at E=4.7 meV. The abrupt change in the phonon damping is attributed to a phase transition into a valence bond solid state based on an effective model describing the spin-charge coupling in this dimer-Mott system. |
| نوع الوثيقة: |
article |
| وصف الملف: |
electronic resource |
| اللغة: |
English |
| تدمد: |
2643-1564 |
| Relation: |
https://doaj.org/toc/2643-1564 |
| DOI: |
10.1103/PhysRevResearch.4.L042047 |
| URL الوصول: |
https://doaj.org/article/02951ac1074b4e33960f3bca0d7940cd |
| رقم الانضمام: |
edsdoj.02951ac1074b4e33960f3bca0d7940cd |
| قاعدة البيانات: |
Directory of Open Access Journals |