Superconductivity in the alkali-doped fullerides: Competition of phonon-mediated attractions with coulomb repulsions in polaron pairing

International Journal of Modern Physics B

Volumn 12, Issue 29-31, 1998, Pages 3042-3051

  Takada, Yasutami ^a   Hotta, Takashi ^a  

^a UNIVERSITY OF TOKYO   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0012836980     PISSN: 02179792     EISSN: None     Source Type: Journal    
DOI: 10.1142/s0217979298002039     Document Type: Article

References (23)

1. For a review, see, for exam pie, O. Gunnarsson, Rev. Mod. Phys. 69, 575 (1997) and references therein.
2. L. Pietronero, Europhys. Lett. 17, 365 (1992); Y. Takada, J. Phys. Chem. Solids 54, 1779 (1993).
3. L. Pietronero, Europhys. Lett. 17, 365 (1992); Y. Takada, J. Phys. Chem. Solids 54, 1779 (1993).
4. K. Tanigaki et al., J. Phys. Chem. Solids 54, 1645 (1993).
5. Y. Iwasa et. al., Phys. Rev. B53, R8836 (1996).
6. C.-C. Chen and C. M. Lieber, Science 259, 655 (1993).
7. T. Yildirim et el., Phys. Rev. Lett. 77, 167 (1996).
8. Y. Takada and T. Higuchi, Phys. Rev. B52, 12720 (1995).
9. Y. Takada, J. Phys. Soc. Jpn. 65, 1544 (1996).
10. Y. Takada, J. Phys. Soc. Jpn. 65, 3134 (1996).
11. T. Hotta and Y. Takada, Physica B230-232, 1037 (1997).
12. T. Hotta and Y. Takada, Phys. Rev. B56, 13916 (1997).
13. S. Chakravarty et. el., Science 254, 970 (1991).
14. M. P. Gelfand, Superconductivity Review 1, 103 (1994).
15. The same conclusion is obtained in a different context: A. S. Alexandrov and V. V. Kabanov, Phys. Rev. B54, 3655 (1996).
16. B = 1.
17. G. Beni et al., Phys. Rev. B10, 1896 (1974).
18. J. E. Hirsch and E. Fradkin, Phys. Rev. B27, 4302 (1983).
19. J. K. Freericks, Phys. Rev. B48, 3881 (1993); J. K. Freericks and G. D. Mahan, Phys. Rev. B54, 9372 (1996).
20. J. K. Freericks, Phys. Rev. B48, 3881 (1993); J. K. Freericks and G. D. Mahan, Phys. Rev. B54, 9372 (1996).
21. In the HFG approximation, triplet superconductivity does not appear when both J and V are positive.
22. c(n). 21. Two d-wave solutions are degenerate irrespective of n in the present approximation.
23. c of this kind at n = 1, but such a restriction does not apply to our model in Eq. (2).