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Nat Commun July 2023 PMID 37429852

Observation of flat band, Dirac nodal lines and topological surface states in Kagome superconductor CsTiBi.

Jiangang Yang, Xinwei Yi, Zhen Zhao, Yuyang Xie, Taimin Miao, Hailan Luo, Hao Chen, Bo Liang, Wenpei Zhu, Yuhan Ye, Jing-Yang You, Bo Gu, Shenjin Zhang, Fengfeng Zhang, Feng Yang

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31
Peak: 18 in Jul 2023
across 3 sources since Dec 2022

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Dec 2022 – Oct 2023

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What people are saying

The groups of discussions express strong support and fascination, citing specifics such as the observation of flat bands and Dirac nodal lines, which underscore the study's technical achievement and relevance. The tone emphasizes excitement, with phrases like 'breakthrough' and 'significant implications,' reflecting both high interest and perceived impact.

AgreementStrong agreement

Most discussions enthusiastically support the significance of the research findings, emphasizing the importance of discovering flat bands, Dirac nodal lines, and topological surface states in this superconductor.

InterestHigh interest

Participants show high curiosity and fascination, frequently mentioning advances like the tunable van Hove singularity and the potential implications for physics.

EngagementHigh engagement

Posts delve into detailed aspects of the study, referencing the methods (e.g., laser-based spectrometry, density functional theory) and discussing potential applications, indicating deep involvement.

ImpactHigh impact

Discussions highlight the potential for this research to influence future studies in topological materials and superconductivity, framing it as a breakthrough with broad scientific impact.

Abstract in brief

  • The study investigates the electronic structure of the kagome superconductor CsTiBi using laser-based angle-resolved photoemission spectroscopy and density functional theory, revealing key features like flat bands, Dirac nodal lines, and topological surface states.
  • A flat band originating from destructive interference within the kagome lattice was directly observed, along with type II and III Dirac nodal lines, which are significant for understanding exotic electronic properties.
  • Nontrivial topological surface states were detected around the Brillouin zone center, attributed to band inversion caused by strong spin-orbit coupling, highlighting the complex topological nature of CsTiBi.
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The Innovation | Physics
@InnovationPhys · X

New online! Kagome material. Observation of flat band, Dirac nodal lines and topological surface states in Kagome superconductor CsTi3Bi5. #physics #superconductor https://t.co/JS7SMR2m0K

Jul 12, 2023 · 23 likes · 12 shares · 2,216 followers View post →
部品（吉岡里帆）
@tjmlab · X

Observation of flat band, Dirac nodal lines and topological surface states in Kagome superconductor CsTi3Bi5 https://t.co/TKkcCJKvlS トポロジカルカゴメ金属超伝導のライバルｷﾀ━━━━(ﾟ∀ﾟ)━━━━!!

Jul 10, 2023 · 18 likes · 8 shares · 13,370 followers View post →
部品（吉岡里帆）
@tjmlab · X

Observation of Flat Band, Dirac Nodal Lines and Topological Surface States in Kagome Superconductor CsTi3Bi5 https://t.co/1xcVUn72MK Tunable van Hove singularity without structural instability in Kagome metal CsTi3Bi5 https://t.co/2POWRrEW4o 世界、トポカゴメ超伝導の研究はやすぎる

Dec 8, 2022 · 2 likes · 13,370 followers View post →
固体量子(研究室公認VTuber)
@QM_phys_kyoto · X

RT @tjmlab: Observation of flat band, Dirac nodal lines and topological surface states in Kagome superconductor CsTi3Bi5 https://t.co/TKkcC…

Jul 10, 2023 · 8 shares · 9,797 followers View post →
Citizen of EU
@wavetossed · X

RT @InnovationPhys: New online! Kagome material. Observation of flat band, Dirac nodal lines and topological surface states in Kagome super…

Jul 13, 2023 · 12 shares · 9,523 followers View post →
Roy
@roydherbert · X

RT @InnovationPhys: New online! Kagome material. Observation of flat band, Dirac nodal lines and topological surface states in Kagome super…

Jul 12, 2023 · 12 shares · 8,146 followers View post →

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emilio lindosa lucas
@411emilio · X

RT @InnovationPhys: New online! Kagome material. Observation of flat band, Dirac nodal lines and topological surface states in Kagome super…

Jul 18, 2023 · 12 shares · 4,852 followers View post →
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@shalindachaos99 · X

RT @InnovationPhys: New online! Kagome material. Observation of flat band, Dirac nodal lines and topological surface states in Kagome super…

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emilio lindosa lucas
@411emilio · X

RT @InnovationPhys: New online! Kagome material. Observation of flat band, Dirac nodal lines and topological surface states in Kagome super…

Jul 13, 2023 · 12 shares · 4,852 followers View post →
Citizen of EU
@wavetossed · X

RT @InnovationPhys: New online! Kagome material. Observation of flat band, Dirac nodal lines and topological surface states in Kagome super…

Jul 13, 2023 · 12 shares · 9,523 followers View post →
Choy Ka Hei
@Jimmy_CKH · X

RT @InnovationPhys: New online! Kagome material. Observation of flat band, Dirac nodal lines and topological surface states in Kagome super…

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RT @InnovationPhys: New online! Kagome material. Observation of flat band, Dirac nodal lines and topological surface states in Kagome super…

Jul 13, 2023 · 12 shares · 330 followers View post →
jebus christoff
@codo_nabu · X

RT @InnovationPhys: New online! Kagome material. Observation of flat band, Dirac nodal lines and topological surface states in Kagome super…

Jul 12, 2023 · 12 shares · 131 followers View post →
Bryan Kelly
@BryanKeIIy · X

RT @InnovationPhys: New online! Kagome material. Observation of flat band, Dirac nodal lines and topological surface states in Kagome super…

Jul 12, 2023 · 12 shares · 3,730 followers View post →
Roy
@roydherbert · X

RT @InnovationPhys: New online! Kagome material. Observation of flat band, Dirac nodal lines and topological surface states in Kagome super…

Jul 12, 2023 · 12 shares · 8,146 followers View post →
The Innovation | Physics
@InnovationPhys · X

New online! Kagome material. Observation of flat band, Dirac nodal lines and topological surface states in Kagome superconductor CsTi3Bi5. #physics #superconductor https://t.co/JS7SMR2m0K

Jul 12, 2023 · 23 likes · 12 shares · 2,216 followers View post →
翡翠
@nat_num_pol · X

RT @tjmlab: Observation of flat band, Dirac nodal lines and topological surface states in Kagome superconductor CsTi3Bi5 https://t.co/TKkcC…

Jul 10, 2023 · 8 shares · 643 followers View post →
jun66j5
@jun66j5 · X

RT @tjmlab: Observation of flat band, Dirac nodal lines and topological surface states in Kagome superconductor CsTi3Bi5 https://t.co/TKkcC…

Jul 10, 2023 · 8 shares · 199 followers View post →
ながぴい
@Nagapiii · X

RT @tjmlab: Observation of flat band, Dirac nodal lines and topological surface states in Kagome superconductor CsTi3Bi5 https://t.co/TKkcC…

Jul 10, 2023 · 8 shares · 2,521 followers View post →
固体量子(研究室公認VTuber)
@QM_phys_kyoto · X

RT @tjmlab: Observation of flat band, Dirac nodal lines and topological surface states in Kagome superconductor CsTi3Bi5 https://t.co/TKkcC…

Jul 10, 2023 · 8 shares · 9,797 followers View post →
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@upperlimit13 · X

RT @tjmlab: Observation of flat band, Dirac nodal lines and topological surface states in Kagome superconductor CsTi3Bi5 https://t.co/TKkcC…

Jul 10, 2023 · 8 shares · 4,516 followers View post →
MATSUMOTO Yutaka
@yutakama · X

RT @tjmlab: Observation of flat band, Dirac nodal lines and topological surface states in Kagome superconductor CsTi3Bi5 https://t.co/TKkcC…

Jul 10, 2023 · 8 shares · 3,171 followers View post →
Yoshi-aki Shimada
@yoshi_and_aki · X

RT @tjmlab: Observation of flat band, Dirac nodal lines and topological surface states in Kagome superconductor CsTi3Bi5 https://t.co/TKkcC…

Jul 10, 2023 · 8 shares · 3,983 followers View post →
部品（吉岡里帆）
@tjmlab · X

Observation of flat band, Dirac nodal lines and topological surface states in Kagome superconductor CsTi3Bi5 https://t.co/TKkcCJKvlS トポロジカルカゴメ金属超伝導のライバルｷﾀ━━━━(ﾟ∀ﾟ)━━━━!!

Jul 10, 2023 · 18 likes · 8 shares · 13,370 followers View post →
部品（吉岡里帆）
@tjmlab · X

Observation of Flat Band, Dirac Nodal Lines and Topological Surface States in Kagome Superconductor CsTi3Bi5 https://t.co/1xcVUn72MK Tunable van Hove singularity without structural instability in Kagome metal CsTi3Bi5 https://t.co/2POWRrEW4o 世界、トポカゴメ超伝導の研究はやすぎる

Dec 8, 2022 · 2 likes · 13,370 followers View post →
arXiv cond-mat
@_arXiv_cond_mat · X

[2212.04447] Jiangang Yang, Yuyang Xie, Zhen Zhao et al.: Observation of Flat Band, Dirac Nodal Lines and Topological Surface States in Kagome Superconductor CsTi$_3$Bi$_5$ https://t.co/OFJS5ZPpAU https://t.co/QsDpeCc31q #cond_mat_supr_con

Dec 8, 2022 · 952 followers View post →