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Volumn 31, Issue 5, 1985, Pages 2932-2949

Anisotropic scattering of electrons by N2 and its effect on electron transport

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Indexed keywords


EID: 0000102720     PISSN: 10502947     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevA.31.2932     Document Type: Article
Times cited : (562)

References (162)
  • 3
    • 84931518076 scopus 로고    scopus 로고
    • R. W. Crompton points out that r in Eqs. (2) and (3) should be replaced by ρ = | r vec | sin theta and that gr( v vec ) should be replaced by gρ( v vec ) in Eqs. (2)–(18). Here r vec remains unchanged. J. P. Novak points out that the units of w in Table I should be 104~ m ~ sec-1. Also, the left-hand side of Eq. (24) should be multiplied by N and the first factor on the right-hand side of the equation for wII after Eq. (23) should be eE/3N. The last two terms in Eq. (19) should be multiplied by j and j+1, respectively.
  • 11
    • 84931518070 scopus 로고    scopus 로고
    • (unpublished). Note the Kücükarpaci and Lucas find it necessary to reduce the vibrational excitation cross sections of Ref. 22 by a factor of 0.3. The use of such low cross sections in our calculation gives a very poor fit to experiment, e.g., a factor of about 4 error in the energy-exchange frequency of Ref. 22 for mean electron energies near 1 eV.
    • Kunhardt, E.E.1    Tzeng, Y.2
  • 22
  • 23
    • 84931518071 scopus 로고    scopus 로고
    • During the current growth portion of the waveform the voltage is given by (Q0/ C) exp(ν t), where Q0 is the charge released from the cathode and C is the circuit capacity. After the electrons and ions have been collected the voltage is given by (Q0/ C)exp(αid). From the time of intersection of these curves we find d/t= ν / αi= Vp.
  • 42
    • 84931518068 scopus 로고    scopus 로고
    • Note that the value from Bromberg has been reinterpreted as discussed by Finn and Doering.
  • 45
    • 84931521531 scopus 로고
    • The magnitudes of the spherical-harmonic components of the screened Coulomb cross sections were calculated using formulas given by, edited by, B. Alder, S. Fernbach, M. Rotenberg, Academic, New York, As suggested by these references, our comparisons of experiment and theory suggest screening lengths of 0.015 at 500 eV and 0.01 at 1 keV.
    • (1963) Methods in Computational Physics , pp. 209
    • Berger, M.J.1
  • 46
  • 49
    • 84982593791 scopus 로고
    • Zur mikrophysikalischen Beschreibung des schwachionisierten Stickstoffmolekülplasmas der positiven Säule von Glimmentladungen. III. Elektronenkinetische Kenngrößen unter Berücksichtigung der Dissoziation durch direkten Elektronenstoß
    • (1978) Beiträge aus der Plasmaphysik , vol.18 , pp. 113
    • Pfau, S.1    Winkler, W.2
  • 54
    • 84931518083 scopus 로고    scopus 로고
    • U. S. National Aeronautics and Space Administration Technical Note No. TN-D-8347, 1976 (unpublished);
  • 69
    • 84931517871 scopus 로고
    • Joint Insitute for Laboratory Astrophysics Information Center, (unpublished). The data tabulated in this report were modified to give a common energy grid for all levels while preserving the areas under the peaks in the cross sections.
    • (1973)
    • Kieffer, L.J.1
  • 78
    • 84931517870 scopus 로고    scopus 로고
    • For our purposes these changes are small and will be neglected.
  • 94
    • 84931517869 scopus 로고    scopus 로고
    • The cross-section values actually used are from C. F. Barnet, J. A. Ray, E. Ricci, M. I. Wilker, E. W. McDaniel, E. W. Thomas, and H. B. Gilbody, Oak Ridge National Laboratory Report No. 5207, 1977 (unpublished).
  • 101
    • 84931517868 scopus 로고    scopus 로고
    • It should be kept in mind that the differential scattering cross sections reconstructed from our limited number of spherical harmonics will not give a good representation of a sharply peaked angular distribution at small scattering angles and may become negative at some large angles.
  • 114
    • 84931517867 scopus 로고    scopus 로고
    • see also B. M. Penetrante, J. N. Bardsley, and L. C. Pitchford (unpublished).
  • 129
    • 84931517866 scopus 로고    scopus 로고
    • See comment in the title of Fig. 2.6 of G. J. Schulz, in Principles of Laser Plasmas, edited by G. Bekefi (Wiley, New York, 1976), p. 47; see also, Jung et al. (Ref. 30).
  • 140
    • 36749117711 scopus 로고
    • It appears to us that the procedure of Lin, Robson, and Mason does not belong in this category, since they made the spherical-harmonic expansion before making the velocity-moment expansion. See
    • (1979) J. Chem. Phys. , vol.71 , pp. 3483
    • Lin, S.L.1    Robson, R.E.2    Mason, E.A.3
  • 153
    • 0015111022 scopus 로고
    • Effects of 106-μ Laser Induced Air Chemistry on the Atmospheric Refractive Index
    • For earlier work on vibrational cooling in air, see, for example
    • (1971) Applied Optics , vol.10 , pp. 1877
    • Wood, A.D.1    Camac, M.2    Gerry, E.T.3
  • 155
    • 0017940890 scopus 로고
    • When the distribution of vibrationally excited molecules produced during the excitation period is used instead of the rate coefficients in Eq. (B1), we obtain the equivalent of the equation given in this reference.
    • (1978) Sov. J. Plasma Phys. , vol.4 , pp. 201


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