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Double Exchange Alone Does Not Explain the Resistivity ofLa1−xSrxMnO3
Open accessAbstract
The ${\mathrm{La}}_{1\ensuremath{-}x}{\mathrm{Sr}}_{x}{\mathrm{MnO}}_{3}$ system with $0.2\ensuremath{\lesssim}x\ensuremath{\lesssim}0.4$ has traditionally been modeled with a ``double-exchange'' Hamiltonian in which it is assumed that the only relevant physics is the tendency of carrier hopping to line up neighboring spins. We present a solution of the double-exchange model, show it is incompatible with many aspects of the data, and propose that in addition to double-exchange physics a strong electron-phonon interaction arising from the Jahn-Teller splitting of the outer Mn $d$ level plays a crucial role.
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Citations
Cited by
Georges, A., Kotliar, G., Krauth, W., & Rozenberg, M. J. (1996) · Reviews of Modern Physics · doi:10.1103/revmodphys.68.13 · Cited by 6,901
Percolative phase separation underlies colossal magnetoresistance in mixed-valent manganites
Uehara, M., Mori, S., Chen, C. H., & Cheong, S.-W. (1999) · Nature · doi:10.1038/21142 · Cited by 1,771
Theory of Diluted Magnetic Semiconductor Ferromagnetism
König, J., Lin, H.-H., & MacDonald, A. H. (2000) · Physical Review Letters · doi:10.1103/physrevlett.84.5628 · Cited by 294
Metadata
- Authors
- Millis, A. J., Littlewood, P. B., & Shraiman, B. I.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1995-06-19
- Volume
- 74
- Issue
- 25
- Pages
- 5144-5147
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1512024966
- Cited by
- 3,060
- References
- 0
- FWCI
- 132.33
- Type
- journal article
- Language
- en
- Open access
- green
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- CoChat. (2026). Citation check: Double Exchange Alone Does Not Explain the Resistivity ofLa1−xSrxMnO3. https://app.cochat.ai/papers/10.1103/physrevlett.74.5144
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- Millis, A. J., Littlewood, P. B., & Shraiman, B. I. (1995). Double Exchange Alone Does Not Explain the Resistivity ofLa1−xSrxMnO3. Physical Review Letters. https://doi.org/10.1103/physrevlett.74.5144
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