Direct observation of self-trapped vibrational states in α-helices

Physical Review Letters

Volumn 93, Issue 10, 2004, Pages

  Edler, J ^a   Pfister, R ^a   Pouthier, V ^b   Falvo, C ^b   Hamm, P ^a  

^a UNIVERSITY OF ZURICH   (Switzerland)

^b UNIVERSITÉ DE FRANCHE COMTÉ   (France)

Author keywords

[No Author keywords available]

Indexed keywords

AMINO ACIDS; BANDWIDTH; ELECTRIC EXCITATION; EXCITONS; FERMI LEVEL; FILM GROWTH; HYDROGEN BONDS; LATTICE VIBRATIONS; MOLECULAR CRYSTALS; POLARONS; PROBES;

ABSORPTION SPECTRUM; ELECTROSTATIC INTERACTIONS; ENERGY DENSITY; ENERGY TRANSPORT; FEMTOSECOND INFRARED PUMP-PROBE SPECTROSCOPY; FERMI RESONANCE; MYOGLOBIN;

PHONONS;

EID: 19544385084     PISSN: 00319007     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevLett.93.106405     Document Type: Article

References (28)

1. B. I. Swanson, J. A. Brozik, S. P. Love, G. F. Strouse, A. P. Shreve, A. R. Bishop, W.-Z. Wang, and M. I. Salkola, Phys. Rev. Lett. 82, 3288 (1999).
2. S. L. Dexheimer, A. D. V. Pelt, J. A. Brozik, and B. I. Swanson, Phys. Rev. Lett. 84, 4425 (2000).
3. G. Careri, U. Buontempo, F. Carta, E. Gratton, and A. C. Scott, Phys. Rev. Lett. 51, 304 (1983).
4. G. Careri, U. Buontempo, F. Galluzzi, A. C. Scott, E. Gratton, and E. Shyamsunder, Phys. Rev. B 30, 4689 (1984).
5. G. B. Blanchet and C.R. Fincher, Phys. Rev. Lett. 54, 1310 (1984).
6. D. M. Alexander, Phys. Rev. Lett. 54, 138 (1985).
7. D. M. Alexander and J. A. Krumhansl, Phys. Rev. B 33, 7172 (1986).
8. W. Fann, L. Rothberg, M. Roberson, S. Benson, J. Madey, S. Etemad, and R. Austin, Phys. Rev. Lett. 64, 607 (1990).
9. S.W. Johnson, M. Barthes, J. Eckert, R. K. McMullan, and M. Muller, Phys. Rev. Lett. 74, 2844 (1995).
10. A. C. Scott, Phys. Rep. 217, 1 (1992).
11. A. S. Davydov, J. Theor. Biol. 66, 379 (1977).
12. J. Edler, P. Hamm, and A. C. Scott, Phys. Rev. Lett. 88, 067403 (2002).
13. J. Edler and P. Hamm, J. Chem. Phys. 117, 2415 (2002).
14. J. Edler and P. Hamm, J. Chem. Phys. 119, 2709 (2003).
15. J. Edler and P. Hamm, Phys. Rev. B 69, 214301 (2004).
16. A. Xie, L. van der Meer, W. Hoff, and R. H. Austin, Phys. Rev. Lett. 84, 5435 (2000).
17. V. Helenius, J. Korppi-Tommola, S. Kotila, J. Nieminen, R. Lohikoski, and J. Timonen, Chem. Phys. Lett. 280, 325 (1997).
18. P. Hamm and J. Edler, in Energy Localisation and Transfer, edited by T. Dauxois, A. Litvak-Hinenzon, R. MacKay, and A. Spanoudaki (World Scientific, Singapore, 2004), pp. 301-324.
19. P. Doty, J. H. Bradbury, and A. M. Holtzer, J. Am. Chem. Soc. 78, 947 (1956).
20. -1 between absorption band and bleach signal. This shift is attributed to disorder broadening, where the more delocalized states with higher dipole strength located at the low frequency side of the spectrum contribute stronger to the nonlinear response.
21. J. A. Ferretti and B.W. Ninham, Macromolecules 3, 30 (1970), and references therein.
22. P. Hamm, M. Lim, and R. M. Hochstrasser, J. Chem. Phys. 107, 10523 (1997).
23. E. R. Blout and R. H. Karlson, J. Am. Chem. Soc. 78, 941 (1956).
24. W. H. Daly and D. Poché, Tetrahedron Lett. 29, 5859 (1988).
25. S. Krimm and J. Bandekar, Adv. Protein Chem. 38, 181 (1986).
26. V. Pouthier, Phys. Rev. E 68, 021909 (2003).
27. V. Pouthier and C. Falvo, Phys. Rev. E 69, 041906 (2004).
28. The absence of optical phonons in the α-helix may explain the absence of side peaks in the N-H absorption spectrum [10] that are typically observed in molecular crystals such as ACN.