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Correlated order at the tipping point in the kagome metal CsV<sub>3</sub>Sb<sub>5</sub>

Physics

Correlated order at the tipping point in the kagome metal CsV<sub>3</sub>Sb<sub>5</sub>

C. Guo, G. Wagner, et al.

This groundbreaking research conducted by top physicists including Chunyu Guo and Glenn Wagner delves into charge order in the fascinating kagome metal CsV3Sb5. Unraveling mysteries of nematicity and flux order, the team reveals how microscopic control can illuminate hidden symmetries and behaviors typically obscured, especially under magnetic fields and strain.

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Playback language: English
Abstract
This paper investigates the charge order in the kagome metal CsV<sub>3</sub>Sb<sub>5</sub>, clarifying controversies surrounding nematicity and flux order. Highly symmetric samples were fabricated, and transport properties were measured. No anisotropy was found in unperturbed samples, but anisotropy appeared with magnetic fields or strain. Symmetry analysis suggests a magnetic field induces flux order alongside bond order. The results provide a unifying picture for the charge order and emphasize the importance of microscopic materials control in identifying broken symmetries.
Publisher
Nature Physics
Published On
Jan 31, 2024
Authors
Chunyu Guo, Glenn Wagner, Carsten Putzke, Dong Chen, Kaize Wang, Ling Zhang, Martin Gutierrez-Amigo, Ion Errea, Maia G. Vergniory, Claudia Felser, Mark H. Fischer, Titus Neupert, Philip J. W. Moll
Tags
kagome metal
charge order
nematicity
flux order
magnetic fields
symmetry analysis
microscopic materials control
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