Identification of excitons in conjugated polymers: A density-matrix renormalization-group study

Physical Review B - Condensed Matter and Materials Physics

Volumn 57, Issue 24, 1998, Pages 15167-15176

  Boman, M ^a   Bursill, R ^b  

^a UNIVERSITY OF SHEFFIELD   (United Kingdom)

^b UNIVERSITY OF NEW SOUTH WALES   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001279514     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.57.15167     Document Type: Article

References (27)

1. S. Etemad and Z. G. Soos, in Spectroscopy of Advanced Materials, edited by R. J. H. Clark and R. E. Hester (Wiley, New York, 1991), p. 87.
2. J. H. Burroughes, D. D. C. Bradley, A. R. Brown, R. N. Marks, K. Mackay, R. H. Friend, P. L. Burns, and A. B. Holmes, Nature (London) 347, 539 (1990).
3. Z. Shuai, Swapan K. Pati, W. P. Su, J. L. Brédas, and S. Ramasesha, Phys. Rev. B 55, 15 368 (1997).
4. D. Yaron and R. Silbey, Phys. Rev. B 45, 11 655 (1992).
5. I. H. Campbell, T. W. Hagler, D. L. Smith, and J. P. Ferraris, Phys. Rev. Lett. 76, 1900 (1996).
6. D. Guo, S. Mazumdar, S. N. Dixit, F. Kajzar, F. Jarka, Y. Kawabe, and N. Peyghambarian, Phys. Rev. B 48, 1433 (1993).
7. M. Chandross, S. Mazumdar, S. Jeglinski, X. Wei, Z. V. Vardeny, E. W. Kwock, and T. M. Miller, Phys. Rev. B 50, 14 702 (1994).
8. J. R. Heflin, K. Y. Wong, O. Zamani-Khamiri, and A. F. Garito, Phys. Rev. B 38, 1573 (1988).
9. Z. G. Soos, P. C. M. McWilliams, and G. W. Hayden, Chem. Phys. Lett. 177, 14 (1990).
10. P. C. M. McWilliams, G. W. Hayden, and Z. G. Soos, Phys. Rev. B 43, 9777 (1991).
11. S. N. Dixit, D. Guo, and S. Mazumdar, Phys. Rev. B 43, 6781 (1991).
12. S. Suhai, Phys. Rev. B 27, 3506 (1983).
13. C. M. Liegener, J. Chem. Phys. 88, 6999 (1988).
14. Z. G. Soos, S. Ramasesha, and D. S. Galvão, Phys. Rev. Lett. 71, 1609 (1993).
15. S. Mazumdar and S. N. Dixit, Synth. Met. 28, D463 (1989).
16. G. König and G. Stollhoff, Phys. Rev. Lett. 65, 1239 (1990).
17. J. Čížek, J. Paldus, and I. Hubač, Int. J. Quantum Chem. 8, 951 (1974).
18. S. R. White, Phys. Rev. Lett. 69, 2863 (1992).
19. S. R. WhitePhys. Rev. B 48, 10 345 (1993).
20. G. A. Gehring, R. J. Bursill, and T. Xiang, Acta Phys. Pol. 91, 105 (1997).
21. W. Barford and R. J. Bursill, Chem. Phys. Lett. 268, 535 (1997).
22. W. BarfordR. J. BursillSynth. Met. 85, 1155 (1997).
23. H. B. Pang and S. D. Liang, Phys. Rev. B 51, 10287 (1995).
24. Z. Shuai, S. K. Pati, J. L. Bredas, and S. Ramasesha, Synth. Met. 85, 1011 (1997).
25. S. Ramasesha, S. K. Pati, H. R. Krishnamurthy, Z. Shuai, and J. L. Bredas, Synth. Met. 85, 1019 (1997).
26. M. Boman, R. J. Bursill, and W. Barford, Synth. Met. 85, 1059 (1997).
27. S. Ramasesha, S. K. Pati, H. R. Krishnamurthy, Z. Shuai, and J. L. Bredas, Phys. Rev. B 54, 7598 (1996). It is more convenient to work with the (Formula presented) and (Formula presented) operators to target and identify singlet states than it is to make direct use of the total spin operator (Formula presented)