Evolving charge order in the CDW state of AV3Sb5 metals
Abstract
AV3Sb5 kagome metals are characterized by intertwined electronic and structural orders, which motivated extensive studies in recent years. Yet the details of the electronic state preceding the superconducting phase remain poorly understood. Here we extend our previous investigation [Phys. Rev. Research 7, L032046 (2025)] of RbV3Sb5 using avoided level crossing (ALC) muon-spin spectroscopy to the A = Cs and K systems. Consistent with our previous study, we identify a second transition whose origin cannot be attributed solely to an internal magnetic field, indicating the involvement of an additional electronic mechanism that subtly modifies the charge distribution within the V plane. In particular, the ALC results point towards an additional charge modulation taking place within the charge density wave (CDW) phase and occurring at T*<TCDW for A = Cs and Rb, or in the vicinity of TCDW for A = K.
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BibTeX
@misc{kataria2026evolving,
title = {{Evolving charge order in the CDW state of AV$_3$Sb$_5$ metals}},
author = {Anshu Kataria and Francis Pratt and Peter J. Baker and Stephen Cottrell and Miki Bonacci and Andrea Capa Salinas and Stephen D. Wilson and Zurab Guguchia and Samuele Sanna and Pietro Bonfà},
howpublished = {arXiv},
year = {2026},
month = aug,
doi = {10.48550/arxiv.2608.29142},
eprint = {2608.29142},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2608.29142},
}
RIS
TY - UNPB
TI - Evolving charge order in the CDW state of AV_3Sb_5 metals
AU - Anshu Kataria
AU - Francis Pratt
AU - Peter J. Baker
AU - Stephen Cottrell
AU - Miki Bonacci
AU - Andrea Capa Salinas
AU - Stephen D. Wilson
AU - Zurab Guguchia
AU - Samuele Sanna
AU - Pietro Bonfà
PY - 2026
DA - 2026/08/29
PB - arXiv
DO - 10.48550/arxiv.2608.29142
UR - https://arxiv.org/abs/2608.29142
AB - AV_3Sb_5 kagome metals are characterized by intertwined electronic and structural orders, which motivated extensive studies in recent years. Yet the details of the electronic state preceding the superconducting phase remain poorly understood. Here we extend our previous investigation [Phys. Rev. Research 7, L032046 (2025)] of RbV_3Sb_5 using avoided level crossing (ALC) muon-spin spectroscopy to the A = Cs and K systems. Consistent with our previous study, we identify a second transition whose origin cannot be attributed solely to an internal magnetic field, indicating the involvement of an additional electronic mechanism that subtly modifies the charge distribution within the V plane. In particular, the ALC results point towards an additional charge modulation taking place within the charge density wave (CDW) phase and occurring at T^*<T_CDW for A = Cs and Rb, or in the vicinity of T_CDW for A = K.
ER -