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  Propagation of longitudinal acoustic phonons in ZrTe5 exposed to a quantizing magnetic field

Ehmcke, T., Galeski, S., Gorbunov, D., Zherlitsyn, S., Wosnitza, J., Gooth, J., et al. (2021). Propagation of longitudinal acoustic phonons in ZrTe5 exposed to a quantizing magnetic field. Physical Review B, 104(24): 245117, pp. 1-12. doi:10.1103/PhysRevB.104.245117.

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Ehmcke, T.1, Author
Galeski, Stanislaw2, Author              
Gorbunov, D.1, Author
Zherlitsyn, S.1, Author
Wosnitza, J.1, Author
Gooth, Johannes3, Author              
Meng, T.1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
3Nanostructured Quantum Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_3018212              

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Free keywords: Charge density; Charge density waves; Magnetic fields; Tellurium compounds; Zirconium compounds, Exposed to; Longitudinal acoustic phonons; Metallics; Quantitative level; Quantizing magnetic field; Quantum oscillations; Renormalization; Self energy; Sound attenuation; Ultrasound measurement, Electron-phonon interactions
 Abstract: The compound ZrTe5 has recently been connected to a charge-density-wave (CDW) state with intriguing transport properties. Here, we investigate quantum oscillations in ultrasound measurements that microscopically originate from electron-phonon coupling and analyze how these would be affected by the presence or absence of a CDW. We calculate the phonon self-energy due to electron-phonon coupling, and from there deduce the sound-velocity renormalization and sound attenuation. We find that the theoretical predictions for a metallic Dirac model resemble the experimental data on a quantitative level for magnetic fields up to the quantum-limit regime. © 2021 American Physical Society

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Language(s): eng - English
 Dates: 2021-12-092021-12-09
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: DOI: 10.1103/PhysRevB.104.245117
BibTex Citekey: Ehmcke2021
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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 104 (24) Sequence Number: 245117 Start / End Page: 1 - 12 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008