Table of Contents
International Journal of Spectroscopy
Volume 2010, Article ID 371201, 11 pages
http://dx.doi.org/10.1155/2010/371201
Research Article

Collision-Induced Infrared Absorption by Molecular Hydrogen Pairs at Thousands of Kelvin

1Department of Chemistry, Michigan State University, East Lansing, MI 48824, USA
2Physics Department, University of Texas, Austin, TX 78712-1081, USA

Received 21 April 2009; Accepted 18 July 2009

Academic Editor: Chantal Stehle

Copyright © 2010 Xiaoping Li et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. H. L. Welsh, “Pressure induced absorption spectra of hydrogen,” in MTP International Review of Science. Physical Chemistry, Series One, Vol. III: Spectroscopy, A. D. Buckingham and D. A. Ramsay, Eds., chapter 3, pp. 33–71, Butterworths, London, UK, 1972. View at Google Scholar
  2. L. Frommhold, Collision-Induced Absorption in Gases, Cambridge University Press, Cambridge, UK, 2006.
  3. L. M. Trafton, “The thermal opacity in the major planets,” Astrophysical Journal, vol. 140, p. 1340, 1964. View at Publisher · View at Google Scholar
  4. L. M. Trafton, “Planetary atmospheres: the role of collision-induced absorption,” in Molecular Complexes in Earth's, Planetary, Cometary, and Interstellar Atmospheres, A. A. Vigasin and Z. Slanina, Eds., pp. 177–193, World Scientific, Singapore, 1998. View at Google Scholar
  5. J. Mould and J. Liebert, “Infrared photometry and atmospheric composition of cool white-dwarfs,” Astrophysical Journal, vol. 226, pp. L29–L33, 1978. View at Google Scholar
  6. P. Bergeron, D. Saumon, and F. Wesemael, “New model atmospheres for very cool white dwarfs with mixed H/He and pure He compositions,” Astrophysical Journal, vol. 443, no. 2, pp. 764–779, 1995. View at Google Scholar · View at Scopus
  7. B. M. S. Hansen, “Old and blue white-dwarf stars as a detectable source of microlensing events,” Nature, vol. 394, no. 6696, pp. 860–862, 1998. View at Publisher · View at Google Scholar · View at Scopus
  8. D. Saumon and S. B. Jacobson, “Pure hydrogen model atmospheres for very cool white dwarfs,” Astrophysical Journal, vol. 511, no. 2, pp. L107–L110, 1999. View at Google Scholar · View at Scopus
  9. P. Bergeron, S. K. Leggett, and M. T. Ruiz, “Photometric and spectroscopic analysis of cool white dwarfs with trigonometric parallax measurements,” The Astrophysical Journal, Supplement Series, vol. 133, no. 2, pp. 413–449, 2001. View at Publisher · View at Google Scholar · View at Scopus
  10. A. Borysow, U. G. Jørgensen, and Y. Fu, “High-temperature (1000–7000 K) collision-induced absorption of H2 pairs computed from the first principles, with application to cool and dense stellar atmospheres,” Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 68, no. 3, pp. 235–255, 2001. View at Google Scholar · View at Scopus
  11. W. Meyer and L. Frommhold, “Collision-induced rototranslational spectra of H2-He from an accurate ab initio dipole moment surface,” Physical Review A, vol. 34, no. 4, pp. 2771–2779, 1986. View at Publisher · View at Google Scholar · View at Scopus
  12. W. Meyer, L. Frommhold, and G. Birnbaum, “Rototranslational absorption spectra of H2-H2 pairs in the far infrared,” Physical Review A, vol. 39, no. 5, pp. 2434–2448, 1989. View at Publisher · View at Google Scholar · View at Scopus
  13. W. Meyer, A. Borysow, and L. Frommhold, “Absorption spectra of H2-H2 pairs in the fundamental band,” Physical Review A, vol. 40, no. 12, pp. 6931–6949, 1989. View at Publisher · View at Google Scholar · View at Scopus
  14. W. Meyer, A. Borysow, and L. Frommhold, “Collision-induced first overtone band of gaseous hydrogen from first principles,” Physical Review A, vol. 47, no. 5, pp. 4065–4077, 1993. View at Publisher · View at Google Scholar · View at Scopus
  15. H.-J. Werner, P. J. Knowles, J. Almlöf et al., MOLPRO, Version 2000.1, Universität Stuttgart, Stuttgart, Germany and Cardiff University, Cardiff, UK, 2000.
  16. X. Li, C. Ahuja, J. F. Harrison, and K. L. C. Hunt, “The collision-induced polarizability of a pair of hydrogen molecules,” Journal of Chemical Physics, vol. 126, no. 21, Article ID 214302, 2007. View at Publisher · View at Google Scholar · View at Scopus
  17. J. E. Bohr and K. L. C. Hunt, “Dipoles induced by long-range interactions between centrosymmetric linear molecules: theory and numerical results for H2H2, H2N2, and N2N2,” The Journal of Chemical Physics, vol. 87, no. 7, pp. 3821–3832, 1987. View at Google Scholar · View at Scopus
  18. X. Li and K. L. C. Hunt, “Transient, collision-induced dipoles in pairs of centrosymmetric, linear molecules at long range: Results from spherical-tensor analysis,” The Journal of Chemical Physics, vol. 100, no. 12, pp. 9276–9278, 1994. View at Google Scholar · View at Scopus
  19. K. L. C. Hunt, “Long-range dipoles, quadrupoles, and hyperpolarizabilities of interacting inert-gas atoms,” Chemical Physics Letters, vol. 70, no. 2, pp. 336–342, 1980. View at Google Scholar · View at Scopus
  20. L. Galatry and T. Gharbi, “The long-range dipole moment of two interacting spherical systems,” Chemical Physics Letters, vol. 75, pp. 427–433, 1980. View at Google Scholar
  21. K. L. C. Hunt and J. E. Bohr, “Effects of van der Waals interactions on molecular dipole moments: The role of field-induced fluctuation correlations,” The Journal of Chemical Physics, vol. 83, no. 10, pp. 5198–5202, 1985. View at Google Scholar · View at Scopus
  22. Y. Fu, Ch. Zheng, and A. Borysow, “Quantum mechanical computations of collision-induced absorption in the second overtone band of hydrogen,” Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 67, no. 4, pp. 303–321, 2000. View at Google Scholar · View at Scopus
  23. J. D. Poll and L. Wolniewicz, “The quadrupole moment of the H2 molecule,” The Journal of Chemical Physics, vol. 68, no. 7, pp. 3053–3058, 1978. View at Google Scholar · View at Scopus
  24. F. Visser, P. E. S. Wormer, and W. P. J. H. Jacobs, “The nonempirical calculation of second-order molecular properties by means of effective states. III. Correlated dynamic polarizabilities and dispersion coefficients for He, Ne, H2, N2, and O2,” The Journal of Chemical Physics, vol. 82, no. 8, pp. 3753–3764, 1985. View at Google Scholar · View at Scopus
  25. G. Karl, J. D. Poll, and L. Wolniewicz, “Multipole moments of hydrogen molecule,” Canadian Journal of Physics, vol. 53, pp. 1781–1790, 1975. View at Google Scholar
  26. D. M. Bishop and J. Pipin, “Dipole, quadrupole, octupole, and dipole octupole polarizabilities at real and imaginary frequencies for H, He, and H2 and the dispersion-energy coefficients for interactions between them,” International Journal of Quantum Chemistry, vol. 45, pp. 349–361, 1993. View at Publisher · View at Google Scholar · View at Scopus
  27. D. M. Bishop and J. S. Pipin, “Calculation of the dispersion-dipole coefficients for interactions between H, He, and H2,” The Journal of Chemical Physics, vol. 98, no. 5, pp. 4003–4008, 1993. View at Google Scholar · View at Scopus
  28. G. Bachet, E. R. Cohen, P. Dore, and G. Birnbaum, “The translational rotational absorption spectrum of hydrogen,” Canadian Journal of Physics, vol. 61, no. 4, pp. 591–603, 1983. View at Google Scholar · View at Scopus
  29. M. Abel and L. Frommhold, To be published.
  30. A. Borysow, U. G. Jørgensen, and Ch. Zheng, “Model atmospheres of cool, low-metallicity stars: The importance of collision-induced absorption,” Astronomy and Astrophysics, vol. 324, no. 1, pp. 185–195, 1997. View at Google Scholar · View at Scopus