Cited by 116Advanced Condensed Matter PhysicsRare-earth and actinide compoundsMagnetic properties of thin films

The DOI matches its Crossref record; 114 of the 114 references it cites were found in a registry or an index.

Giant effective magnetic fields from optically driven chiral phonons in 4 f paramagnets

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Juraschek, Dominik M., Neuman, Tomáš, Narang, Prineha·2022·Physical Review Research

Abstract

We present a mechanism by which optically driven chiral phonon modes in rare-earth trihalides generate giant effective magnetic fields acting on the paramagnetic $4f$ spins. With cerium trichloride (${\mathrm{CeCl}}_{3}$) as our example system, we calculate the coherent phonon dynamics in response to the excitation by an ultrashort terahertz pulse using a combination of phenomenological modeling and first-principles calculations. We find that effective magnetic fields of over 100 T can possibly be generated that polarize the spins for experimentally accessible pulse energies. The direction of induced magnetization can be reversed by changing the handedness of circular polarization of the laser pulse. The underlying process is a phonon analog of the inverse Faraday effect in optics that has been described recently, and which enables novel ways of achieving control over and switching of magnetic order at terahertz frequencies.

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Research works printed but not linked: 3

  1. Yu. T. Rebane, 1983, Zh. Eksp. Teor. Fiz., 84, 2323
  2. Yu. T. Rebane, 1983, Sov. Phys. JETP, 1356, 57
  3. F. A. Lindemann, 1910, Phys. Z., 11, 609

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Metadata

Authors
Juraschek, D. M., Neuman, T., & Narang, P.
Affiliations
Harvard University (US)
Venue
Physical Review Research
Published
2022-02-17
Volume
4
Issue
1
ISSN
2643-1564 (ISSN-L)
OpenAlex
W4213036136
Cited by
113
References
114
Citations by year
2026: 24 · 2025: 34 · 2024: 31 · 2023: 22 · 2022: 2
FWCI
8.31
Type
journal article
Language
en
Open access
Locations
  • Physical Review Research (publishedVersion, cc-by)
  • arXiv (Cornell University) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
  • arXiv (Cornell University)
Funders
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (184259)
  • Defense Advanced Research Projects Agency (D18AC00014)
  • Gordon and Betty Moore Foundation (GBMF8048)
  • Office of Science
  • U.S. Department of Energy (DE-AC02-05CH11231)
  • National Energy Research Scientific Computing Center (GBMF8048)
Topics
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Advanced Condensed Matter Physics
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Rare-earth and actinide compounds
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Magnetic properties of thin films
Keywords
chiral phonons, effective magnetic field, cerium trichloride, coherent phonon dynamics, terahertz pulses, inverse Faraday effect, spin polarization

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