Nonlinear optical response in a ferromagnetic insulating manganite: Pr$_{0.8}$Ca$_{0.2}$MnO$_{3}$
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866915119712174080 |
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| author | Nakano, A. Uchida, K. Tomioka, Y. Takaya, M. Okimoto, Y. Tanaka, K. |
| author_facet | Nakano, A. Uchida, K. Tomioka, Y. Takaya, M. Okimoto, Y. Tanaka, K. |
| contents | High harmonic generation from Pr$_{0.8}$Ca$_{0.2}$MnO$_{3}$ was investigated across a high-temperature paramagnetic phase and a low-temperature ferromagnetic phase. As the temperature decreases, the harmonic intensity gradually increases in the paramagnetic phase like that in different composition material Pr$_{0.6}$Ca$_{0.4}$MnO$_{3}$. However, it turns to a decrease in the ferromagnetic phase. We propose a possible interpretation of the anomaly around the ferromagnetic transition temperature considering the thermal fluctuation of orbital order and the metal-insulator phase separation in the ferromagnetic insulating phase. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_14181 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Nonlinear optical response in a ferromagnetic insulating manganite: Pr$_{0.8}$Ca$_{0.2}$MnO$_{3}$ Nakano, A. Uchida, K. Tomioka, Y. Takaya, M. Okimoto, Y. Tanaka, K. Strongly Correlated Electrons High harmonic generation from Pr$_{0.8}$Ca$_{0.2}$MnO$_{3}$ was investigated across a high-temperature paramagnetic phase and a low-temperature ferromagnetic phase. As the temperature decreases, the harmonic intensity gradually increases in the paramagnetic phase like that in different composition material Pr$_{0.6}$Ca$_{0.4}$MnO$_{3}$. However, it turns to a decrease in the ferromagnetic phase. We propose a possible interpretation of the anomaly around the ferromagnetic transition temperature considering the thermal fluctuation of orbital order and the metal-insulator phase separation in the ferromagnetic insulating phase. |
| title | Nonlinear optical response in a ferromagnetic insulating manganite: Pr$_{0.8}$Ca$_{0.2}$MnO$_{3}$ |
| topic | Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2501.14181 |