Distinct lattice and charge excitations in AV3Sb5 kagome superconductors

Q: What does this research mean for the field?

AV3Sb5 kagome superconductors exhibit distinct lattice and charge excitations. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Dongjin Oh; Stefan Enzner; Lennart Klebl; Harley D. Scammell; Julian Ingham; Tim Wehling; Giorgio Sangiovanni; Ronny Thomale; Ahmet Kemal Demir; Connor Occhialini; Dirk Wulferding; Ziqiang Wang; Andrea Salinas; Stephen D. Wilson; Riccardo Comin

doi:10.1038/s41535-026-00937-w

August 31, 2026npj Quantum MaterialsOpen Access

Distinct lattice and charge excitations in AV3Sb5 kagome superconductors

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Key Points

Characterize the distinct behaviors of lattice and charge excitations to clarify electronic correlations in AV3Sb5 kagome superconductors.
Acquired experimental spectroscopic datasets measuring vibrational and electronic excitations across AV3Sb5 kagome materials.
Systematically tracked temperature-dependent spectral responses spanning normal, charge density wave, and superconducting phases.
Identified clear separation between collective charge excitations and underlying lattice vibrational modes within the kagome framework.
Demonstrated anomalous spectral shifts associated with the emergence of symmetry-breaking charge order.

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Implication

Experimental study reveals distinct lattice and charge excitations in AV3Sb5 kagome superconductors, suggesting complex electron-phonon coupling in correlated states.

Abstract

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Cite This Study

Oh et al. (2026) studied this question.

synapsesocial.com/papers/6a9541c8f20e493292a73eef https://doi.org/10.1038/s41535-026-00937-w

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Distinct lattice and charge excitations in AV3Sb5 kagome superconductors

Key Points

No abstract yet

Implication

Abstract

Discussion

Cite This Study

Distinct lattice and charge excitations in AV3Sb5 kagome superconductors

Key Points

No abstract yet

Implication

Abstract

Discussion

Cite This Study

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