Effects of Orbital Degeneracy and Electron Correlation on Charge Dynamics in Perovskite Manganese Oxides

Journal of the Physical Society of Japan

Volumn 68, Issue 7, 1999, Pages 2178-2181

  Nakano, Hiroki ^a   Motome, Yukitoshi ^b   Imada, Masatoshi ^a  

^a UNIVERSITY OF TOKYO   (Japan)

^b TOKYO INSTITUTE OF TECHNOLOGY   (Japan)

Author keywords

Charge ordering; Coulumb interaction; Double exchange model; Drude weight; Exact diagonalization; Ferromagnetic metal; Incoherent charge dynamics; Metal insulator transition; Optical conductivity; Orbital degeneracy; Perovskite manganites

Indexed keywords

EID: 0033466184     PISSN: 00319015     EISSN: None     Source Type: Journal    
DOI: 10.1143/JPSJ.68.2178     Document Type: Article

References (32)

1. A. P. Ramirez: J. Phys.: Condens. Matter 9 (1997) 8171 and references therin.
2. C. Zener: Phys. Rev. 82 (1951) 403.
3. P. W. Anderson and H. Hasegawa: Phys. Rev. 100 (1955) 675.
4. P. G. de Gennes: Phys. Rev. 118 (1960) 141.
5. K. Kubo and N. Ohata: J. Phys. Soc. Jpn. 33 (1972) 21.
6. N. Furukawa: J. Phys. Soc. Jpn. 63 (1995) 3214.
7. Y. Okimoto, T. Katsufuji, T. Ishikawa, A. Urushibara, T. Arima and Y. Tokura: Phys. Rev. Lett. 75 (1995) 109.
8. Y. Okimoto, T. Katsufuji, T. Ishikawa, T. Arima and Y. Tokura: Phys. Rev. B 55 (1997) 4206.
9. A. J. Millis, R. Mueller and B. I. Shraiman: Phys. Rev. B 54 (1996) 5405.
10. H. Shiba, R. Shiina and A. Takahashi: J. Phys. Soc. Jpn. 66 (1997) 941.
11. A. Takahashi and H. Shiba: Euro. Phys. J. B 5 (1998) 413.
12. P. E. de Brito and H. Shiba: Phys. Rev. B 57 (1998) 1539.
13. S. Ishihara, M. Yamanaka and N. Nagaosa: Phys. Rev. B 56 (1997) 686.
14. P. Horsch, J. Jaklic and F. Mack: Phys. Rev. B 59 (1999) 6217.
15. B. F. Woodfield, M. L. Wilson and J. M. Byes: Phys. Rev. Lett. 78 (1997) 3201.
16. 0=0.2 eV, which is substantially higher than that of the experimental condition.
17. Y. Motome and M. Imada: J. Phys. Soc. Jpn. 68 (1999) 16.
18. T. Ishikawa, T. Kimura, T. Katsufuji and Y. Tokura: Phys. Rev. B 57 (1998) R8079.
19. Y. Motome, H. Nakano and M. Imada: preprint cond-mat/9811221.
20. Y. Motome and M. Imada: preprint cond-mat/9903183.
21. E. Gagliano and C. Balseiro: Phys. Rev. Lett. 59 (1987) 2999.
22. H. Nakano and M. Imada: J. Phys. Soc. Jpn. 68 (1999) 1458.
23. 0 = 16 is a mixed one.
24. For comparison, the corresponding quantity for the noninteracting case is 0.25.
25. H. Kuwahara, Y. Tomioka, A. Asamitsu, Y. Moritomo and Y. Tokura: Science 270 (1995) 961.
26. Z. Jirak, S. Krupicka, Z. Simsa, M. Dlouha and S. Vratislav: J. Magn. Magn. Mater. 53 (1985) 153.
27. Y. Tomioka, A. Asamitsu, Y. Moritomo, H. Kuwahara and Y. Tokura: Phys. Rev. Lett. 74 (1995) 5108.
28. S. Ishihara and N. Nagaosa: J. Phys. Soc. Jpn. 66 (1997) 3678.
29. V. I. Anisimov, I. S. Elfimov and K. Terakura: Phys. Rev. B 55 (1997) 15494.
30. T. Mizokawa and A. Fujimori: Phys. Rev. B 56 (1997) R493.
31. Y. Murakami, H. Kawada, H. Kawata, M. Tanaka, T. Arima, Y. Moritomo and Y. Tokura: Phys. Rev. Lett. 80 (1998) 1932.
32. 2 when the mixed BC is of Φ = (π, 0).