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PreprintCC BY 4.0arXiv

Semiclassical thermoelectric transport in disordered Dirac electron system Ag2Te

  • Kentaro Kuga
  • Keisuke Hirata
  • Daiki Goto
  • Ryogo Ishihara
  • Masaharu Matsunami
  • Tsunehiro Takeuchi
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Abstract

We investigated the thermoelectric effects of the Dirac electron system Ag2Te under magnetic field. Our anal-ysis based on the Boltzmann semiclassical model associated the disorder with the unconventional magnetic field responses such as linear magnetoresistance, linear Nernst effect, step-like Nernst effect, and sign change in Nernst effect. The analysis also revealed the impurity band near the Fermi energy. We simultaneously clari-fied the serious impact of the thermal Hall effect on the measurement of the Nernst effect, and we proposed the definitive solution. Our careful measurement and analysis will be the standard for the thermoelectric study under magnetic field.

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Cite

BibTeXRIS
BibTeX
@misc{kuga2026semiclassical,
  title = {{Semiclassical thermoelectric transport in disordered Dirac electron system Ag2Te}},
  author = {Kentaro Kuga and Keisuke Hirata and Daiki Goto and Ryogo Ishihara and Masaharu Matsunami and Tsunehiro Takeuchi},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.05130},
  eprint = {2609.05130},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.05130},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Semiclassical thermoelectric transport in disordered Dirac electron system Ag2Te
AU  - Kentaro Kuga
AU  - Keisuke Hirata
AU  - Daiki Goto
AU  - Ryogo Ishihara
AU  - Masaharu Matsunami
AU  - Tsunehiro Takeuchi
PY  - 2026
DA  - 2026/09/04
PB  - arXiv
DO  - 10.48550/arxiv.2609.05130
UR  - https://arxiv.org/abs/2609.05130
AB  - We investigated the thermoelectric effects of the Dirac electron system Ag2Te under magnetic field. Our anal-ysis based on the Boltzmann semiclassical model associated the disorder with the unconventional magnetic field responses such as linear magnetoresistance, linear Nernst effect, step-like Nernst effect, and sign change in Nernst effect. The analysis also revealed the impurity band near the Fermi energy. We simultaneously clari-fied the serious impact of the thermal Hall effect on the measurement of the Nernst effect, and we proposed the definitive solution. Our careful measurement and analysis will be the standard for the thermoelectric study under magnetic field.
ER  -