Symmetry-based analysis of the effects of random energy disorder on the excitonic level structure of cyclic arrays: Application to photosynthetic antenna complexes

Journal of Physical Chemistry B

Volumn 102, Issue 5, 1998, Pages 888-898

  Wu, H M ^a   Small, G J ^a  

^a IOWA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BACTERIA; ELECTRON SPECTROSCOPY; ELECTRONIC STRUCTURE; EXCITONS; MOLECULAR STRUCTURE; MOLECULES;

BACTERIOCHLOROPHYLL; BASIS DEFECT PATTERN; CHROMOPHORE; CYCLIC ARRAY; EXCITONIC LEVEL STRUCTURE; RANDOM ENERGY DISORDER;

ELECTRON ENERGY LEVELS;

EID: 0031700052     PISSN: 15206106     EISSN: None     Source Type: Journal    
DOI: 10.1021/jp972951d     Document Type: Article

References (36)

1. Wu, H.-M.; Small, G. J. Chem. Phys. 1997, 218, 225.
2. Wu, H.-M.; Ratsep, M.; Lee, I.-J.; Cogdell, R. J.; Small, G. J. J. Phys. Chem. B 1997, 101, 7654.
3. Koepke, J.; Hu, X.; Muenke, C.; Schulter, K.; Michel, H. Structure 1996, 4, 581.
4. Freer, A. A.; Prince, S. M.; Sauer, K.; Papiz, M. Z.; Hawthornthwaite-Lawless, A. M.; McDermott, G.; Cogdell, R. J.; Isaacs, N. W. Structure 1996, 4, 449.
5. Karrasch, S.; Bullough, P. A.; Ghosh, R. EMBO J. 1995, 14, 631.
6. Sauer, K.; Cogdell, R. J.; Prince, S. M.; Freer, A. A.; Isaacs, N. W.; Scheer, H. Photochem. Photobiol. 1996, 64, 564.
7. There are nine weakly coupled BChl molecules at the cytoplasmic side of the membrane which give rise to an absorption band at 800 nm, the B800 band. It is only the B850 band that is of interest here.
8. 0 ππ* transition of the BChl molecule that is involved.
9. Wu, H.-M.; Ratsep, M.; Jankowiak, R.; Cogdell, R. J.; Small, G. J. J. Phys. Chem. B 1997, 101, 7641.
10. Wu, H.-M.; Reddy, N. R. S.; Small, G. J. J. Phys. Chem. B 1997, 101, 651.
11. Hu, X.; Ritz. T.; Damjanovic, A.; Schulten, K. J. Phys. Chem. B 1997, 101, 3854.
12. To avoid confusion with exciton levels we use lower case letters for BDP symmetries.
13. Tinkham, M. Group Theory and Quantum Mechanics; McGraw-Hill: New York, 1964.
14. Hochstrasser, R. M. Molecular Aspects of Symmetry: W. A. Benjamin Inc.: New York. 1966.
15. Anderson, P. W. Phys. Rev. 1958, 109, 1492.
16. Lee, P. A.; Ramakrishnan, T. V. Rev. Mod. Phys. 1985, 57, 287.
17. Kramer, B.; MacKinnon, A. Rep. Prog. Phys. 1993, 56, 1469.
18. Skinner, J. L. J. Phys. Chem. 1994, 98, 2503.
19. Jimenez, R.; Dikshit, S. N.; Bradforth, S. E.; Fleming, G. R. J. Phys. Chem. 1996, 100, 6825.
20. Kühn, O.; Sundström, V. J. Phys. Chem. B 1997, 101, 3432.
21. Monshouwer, R.; Abrahamsson, M.; van Mourik, F.; van Grondelle, R. J. Phys. Chem. B 1997, 101, 7241.
22. Thouless, D. J. Phys. Rep. 1974, 13, 93.
23. Alden, R. G.; Johnson, E.; Nagarajan, V.; Parson, W. W.; Law, C. J.; Cogdell, R. G. J. Phys. Chem. B 1997, 101, 4667.
24. 4 BDP). For random disorder, the probability that two or more sites have the same defect value is vanishingly small. Thus, for diagonal energy disorder, N = 1 for all levels in the infinite disorder limit. For off-diagonal disorder this is not the case; see text.
25. We remind the reader that our calculations are tailored to low-temperature data.
26. Ratsep, M.; Wu, H.-M.; Hayes, J.; Small, G. J. Spectrochim Acta A, in press.
27. Beekman, L. M. P.; Frese, R. N.; Fowler, G. J. S.; Picorel, R.; Cogdell, R. J.; van Stokkum, I. H. M.; Hunter, C. N.; van Grondelle, R. J. Phys. Chem. B 1997, 101, 7293.
28. Lockhart, D. J.; Boxer, S. G. Proc. Natl. Acad. Sci. U.S.A. 1988, 85, 107.
29. Gudowska-Nowak, E.; Newton, M. D.; Fajer, J. J. Phys. Chem. 1990, 94, 5795.
30. Ratsep, M.; Wu, H.-M.; Hayes, J.; Small, G. J., submitted.
31. 4 levels were found to be essentially localized at a single site.
32. Davydov, A. S. Theory of Molecular Excitons; Plenum Press: New York, 1971.
33. Hochstrasser, R. M.; Prasad, P. N. In Excited States; Lim, E. C., Ed.; Academic Press: New York, 1974; Vol. 1, p 79.
34. Johnson, C. K.; Small, G. J. In Excited States; Lim, E. C., Ed.; Academic Press: New York, 1982; Vol. 6, p 97.
35. Meier, T.; Chernyak, V.; Mukamel, S. J. Phys. Chem. B 1997, 101, 7332.
36. Nagarajan, V.; Alden, R. J.; Williams, J. C.; Parson, W. W. Proc. Natl. Acad. Sci. U.S.A. 1996, 93, 13774.