The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.
Observation of Unconventional Charge Density Wave without Acoustic Phonon Anomaly in Kagome Superconductors AV3Sb5 ( A=Rb , Cs)
Open accessAbstract
The combination of nontrivial band topology and symmetry-breaking phases gives rise to novel quantum states and phenomena such as topological superconductivity, quantum anomalous Hall effect, and axion electrodynamics.Evidence of intertwined charge density wave (CDW) and superconducting order parameters has recently been observed in a novel kagome material AV 3 Sb 5 (A ¼ K, Rb, Cs) that features a Z 2 topological invariant in the electronic structure.However, the origin of the CDW and its intricate interplay with the topological state has yet to be determined.Here, using hard-x-ray scattering, we demonstrate a three-dimensional CDW with 2 × 2 × 2 superstructure in ðRb; CsÞV 3 Sb 5 .Unexpectedly, we find that the CDW fails to induce acoustic phonon anomalies at the CDW wave vector but yields a novel Raman mode that quickly damps into a broad continuum below the CDW transition temperature.Our observations exclude strong electron-phonon-coupling-driven CDW in AV 3 Sb 5 and support an unconventional CDW that was proposed in the kagome lattice at van Hove filling.
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Cites
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CsV3Sb5 : A Z2 Topological Kagome Metal with a Superconducting Ground State
Ortiz, B. R., Teicher, S. M. L., Hu, Y., Zuo, J. L., Sarte, P. M., Schueller, E. C., Abeykoon, A. M. M., Krogstad, M. J., Rosenkranz, S., Osborn, R., et al. (2020) · Physical Review Letters · doi:10.1103/physrevlett.125.247002 · Cited by 970
New kagome prototype materials: discovery of KV3Sb5,RbV3Sb5 , and CsV3Sb5
Ortiz, B. R., Gomes, L. C., Morey, J. R., Winiarski, M., Bordelon, M., Mangum, J. S., Oswald, I. W. H., Rodriguez-Rivera, J. A., Neilson, J. R., Wilson, S. D., et al. (2019) · Physical Review Materials · doi:10.1103/physrevmaterials.3.094407 · Cited by 767
Unconventional chiral charge order in kagome superconductor KV3Sb5
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Cited by
Roton pair density wave in a strong-coupling kagome superconductor
Chen, H., Yang, H., Hu, B., Zhao, Z., Yuan, J., Xing, Y., Qian, G., Huang, Z., Li, G., Ye, Y., et al. (2021) · Nature · doi:10.1038/s41586-021-03983-5 · Cited by 622
Self-citationTopological kagome magnets and superconductors
Yin, J.-X., Lian, B., & Hasan, M. Z. (2022) · Nature · doi:10.1038/s41586-022-05516-0 · Cited by 512
Twofold van Hove singularity and origin of charge order in topological kagome superconductor CsV3Sb5
Kang, M., Fang, S., Kim, J.-K., Ortiz, B. R., Ryu, S. H., Kim, J., Yoo, J., Sangiovanni, G., Di Sante, D., Park, B.-G., et al. (2022) · Nature Physics · doi:10.1038/s41567-021-01451-5 · Cited by 401
Ortiz, B. R., Teicher, S. M. L., Kautzsch, L., Sarte, P. M., Ratcliff, N., Harter, J., Ruff, J. P. C., Seshadri, R., & Wilson, S. D. (2021) · Physical Review X · doi:10.1103/physrevx.11.041030 · Cited by 312
Analysis of Charge Order in the Kagome Metal AV3Sb5 ( A=K,Rb,Cs )
Denner, M. M., Thomale, R., & Neupert, T. (2021) · Physical Review Letters · doi:10.1103/physrevlett.127.217601 · Cited by 303
Metadata
- Authors
- Li, H., Zhang, T. T., Yilmaz, T., Pai, Y. Y., Marvinney, C. E., Said, A., Yin, Q. W., Gong, C. S., Tu, Z. J., Vescovo, E., Nelson, C. S., Moore, R. G., Murakami, S., Lei, H. C., Lee, H. N., Lawrie, B. J., & Miao, H.
- Venue
- Physical Review X
- Publisher
- American Physical Society (APS)
- Published
- 2021-09-03
- Volume
- 11
- Issue
- 3
- ISSN
- 2160-3308 (ISSN-L)
- OpenAlex
- W3136589886
- Cited by
- 355
- References
- 33
- FWCI
- 27.13
- Type
- journal article
- Language
- en
- Open access
- gold
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- Li, H., Zhang, T. T., Yilmaz, T., Pai, Y. Y., Marvinney, C. E., Said, A., Yin, Q. W., Gong, C. S., Tu, Z. J., Vescovo, E., Nelson, C. S., Moore, R. G., Murakami, S., Lei, H. C., Lee, H. N., Lawrie, B. J., & Miao, H. (2021). Observation of Unconventional Charge Density Wave without Acoustic Phonon Anomaly in Kagome Superconductors AV3Sb5 ( A=Rb , Cs). Physical Review X. https://doi.org/10.1103/physrevx.11.031050
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