Strong superconductivity with local Jahn-Teller phonons in C60 solids

Physical Review Letters

Volumn 90, Issue 16, 2003, Pages

  Han, J E ^a   Gunnarsson, O ^b   Crespi, V H ^a  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

^b MAX PLANCK INSTITUT FÜR FESTKÖRPERFORSCHUNG   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

DOPING (ADDITIVES); ELECTRONS; FERMI LEVEL; MATHEMATICAL MODELS; MATHEMATICAL OPERATORS; MOLECULAR DYNAMICS; PHONONS; SOLIDS; SUPERCONDUCTIVITY;

DOPING LEVELS; DYNAMICAL MEAN FIELD THEORY; ELECTRON-ELECTRON INTERACTIONS; ELECTRON-PHON INTERACTIONS; ELIASHBERG THEORY; JAHN-TELLER PHONONS;

FULLERENES;

EID: 0037864296     PISSN: 00319007     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (29)

1. K. Tanigaki et al., Nature (London) 352, 222 (1991).
2. T.T. M. Palstra et al., Solid State Commun. 93, 327 (1995).
3. P. Morel and P.W. Anderson, Phys. Rev. 125, 1263 (1962).
4. O. Gunnarsson and G. Zwicknagl, Phys. Rev. Lett. 69, 957 (1992)
5. O. Gunnarsson, D. Rainer, and G. Zwicknagl, Int. J. Mod. Phys. B 6, 3993 (1992).
6. J. K. Freericks, Phys. Rev. B 50, 403 (1994).
7. L. Pietronero, S. Strässler, and C. Grimaldi, Phys. Rev. B 52, 10 516 (1995).
8. W. L. McMillan, Phys. Rev. 167, 331 (1968).
9. T. Yildirim et al., Phys. Rev. Lett. 77, 167 (1996).
10. J. E. Han, E. Koch, and O. Gunnarsson, Phys. Rev. Lett. 84, 1276 (2000).
11. M. Lannoo, G. A. Baraff, M. Schlüter, and D. Tomanek, Phys. Rev. B 44, 12 106 (1991).
12. O. Gunnarsson, Rev. Mod. Phys. 69, 575 (1997).
13. A. Georges et al., Rev. Mod. Phys. 68, 13 (1996).
14. R. Blankenbecler, D. J. Scalapino, and R. L. Sugar, Phys. Rev. D 24, 2278 (1981).
15. R. M. Fye and J. E. Hirsch, Phys. Rev. B 38, 433 (1988).
16. A. N. Tahvildar-Zadeh, M. H. Hettler, and M. Jarrell, Philos. Mag. B 78, 365 (1998).
17. A. Auerbach, N. Manini, and E. Tosatti, Phys. Rev. B 49, 12 998 (1994)
18. N. Manini, E. Tosatti, and A. Auerbach, Phys. Rev. B 49, 13 008 (1994).
19. S. Suzuki and K. Nakao, Phys. Rev. B 52, 14 206 (1995).
20. L. F. Chibotaru, A. Ceulemans, and S. P. Cojocaru, Phys. Rev. B 59, R12 728 (1999).
21. J. E. Han and O. Gunnarsson, Physica (Amsterdam) 292B, 196 (2000).
22. M. Capone, M. Fabrizio, C. Castellani, and E. Tosatti, Science 296, 2364 (2002).
23. The Eliashberg calculation used a self-consistent phonon Gree function to lowest order in the phonon self-energy.
24. c by, e.g., nearly 20% for U/W = 1 and λ = 0.6.
25. c/W ≈ 1.2 for λ = 0.6 [9,22].
26. M. P. Gelfand and J. P. Lu, Phys. Rev. Lett. 68, 1050 (1992).
27. S. Chakravarty, M. Gelfand, and S. Kivelson, Science 254, 970 (1991).
28. K. Holczer et al., Phys. Rev. Lett. 67, 271 (1991).
29. J. G. Hou et al., Solid State Commun. 86, 643 (1993).