Off-diagonal interactions, bond density correlation, and their effects on the excitons in conjugated polymers

Physical Review B - Condensed Matter and Materials Physics

Volumn 56, Issue 19, 1997, Pages 12268-12276

  Zhao, Hua ^a   Fu, Rong tong ^a   Sun, Xin ^a  

^a INSTITUTE FOR MOLECULAR SCIENCE   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0009020262     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.56.12268     Document Type: Article

References (44)

1. J. Hubbard, Proc. R. Soc. London, Ser. A 276, 238 (1963).
2. J. G. Bednorz and K. A. Muller, Z. Phys. B 64, 189 (1986).
3. P. M. Grant and I. P. Batra, Solid State Commun. 29, 225 (1979).
4. At large (Formula presented) the model in the one-dimensional electron system is equivalent to an antiferromagnetic Heisenberg model with exchange coupling: (Formula presented) See, e.g., J. E. Hirsch, Phys. Rev. Lett. 51, 296 (1983).
5. V. J. Emery, Phys. Rev. B 14, 2898 (1976). But in real π-electron conjugated polymer materials this is not the case: (Formula presented) is not much greater than the hopping term (resonance integral) (Formula presented)
6. R. G. Parr, J. Chem. Phys. 20, 1499 (1952).
7. R. Pariser and R. G. Parr, 21, 767 (1953).
8. J. A. Pople, Proc. R. Soc. London, Ser. A 68, 81 (1955).
9. J. Hubbard, Phys. Rev. B 17, 494 (1978).
10. K. Nasu, J. Phys. Soc. Jpn. 52, 3865 (1983).
11. 53, 302 (1983).
12. 53, 427 (1984).
13. S. Abe, M. Schreiber, W. P. Su, and J. Yu, Phys. Rev. B 45, 9432 (1992).
14. C. Wu, X. Sun, and K. Nasu, Phys. Rev. Lett. 59, 831 (1987).
15. J. E. Hirsch, Phys. Rev. B 40, 2354 (1989).
16. J. E. Hirsch, Phys. Lett. A 134, 451 (1989).
17. 138, 83 (1989).
18. J. E. Hirsch and F. Marsiglio, Phys. Rev. B 39, 11 515 (1989).
19. S. Mazumdar, Solid State Commun. 66, 427 (1989).
20. A. Painelli and A. Girlando, Phys. Rev. B 39, 2830 (1989).
21. D. K. Campbell, J. Tinka Gammel, and E. Y. Loyh, Jr., Phys. Rev. B 38, 12 043 (1988).
22. S. L. Sondhi et al., Phys. Rev. B 51, 5943 (1995).
23. R. Strack and D. Vollhardt, Phys. Rev. Lett. 70, 2637 (1993).
24. S. Kivelson, W. P. Su, J. R. Schrieffer, and A. J. Heeger, Phys. Rev. Lett. 59, 1899 (1987).
25. A. Painelli and A. Girlando, Solid State Commun. 66, 273 (1988).
26. X. Sun et al., Phys. Rev. B 44, 11 042 (1991).
27. D. K. Campbell, J. Tinka Gammel, and E. Y. Loh, Jr., Phys. Rev. B 42, 475 (1990).
28. J. M. Leng, S. Jeglinski, X. Wei, R. E. Benner, and Z. V. Vardeny, Phys. Rev. Lett. 72, 156 (1994).
29. P. Gomes da Costa and E. M. Conwell, Phys. Rev. B 48, 1993 (1993).
30. R. S. Rnox, Solid State Physics (Academic, New York, 1963), Suppl. 5.
31. S. Abe, J. Yu, and W. P. Su, Phys. Rev. B 45, 8264 (1992).
32. I. H. Campbell, T. W. Hagler, D. L. Smith, and J. P. Ferraris, Phys. Rev. Lett. 76, 1900 (1996).
33. W. P. Su, J. R. Schrieffer, and A. J. Heeger, Phys. Rev. Lett. 42, 1698 (1979).
34. C. Q. Wu, Phys. Rev. B 47, 4204 (1993).
35. D. Baeriswyl and K. Maki, Phys. Rev. B 31, 6633 (1985).
36. K. Schuten, I. Ohmine, and M. Karplus, J. Chem. Phys. 64, 4422 (1975).
37. H. Hayashi and K. Nasu, Phys. Rev. B 32, 5295 (1985).
38. K. Chno, Theor. Chim. Acta 2, 219 (1964).
39. P. Horsch, Phys. Rev. B 24, 7351 (1981).
40. J. Zaanen and G. A. Sawatzky, J. Solid State Chem. 88, 8 (1990).
41. M. B. J. Meinders, J. van den Brink, J. Lorenzana, and G. A. Sawatzky, Phys. Rev. B 52, 2484 (1995).
42. R. L. Martin and J. P. Ritchie, Phys. Rev. B 48, 4845 (1993).
43. R. W. Lof et al., Phys. Rev. Lett. 68, 3924 (1992).
44. R. G. Parr, D. P. Craig, and I. G. Ross, J. Chem. Phys. 18, 1561 (1950).