## Variational principles in the theory of collisionsPergamon Press; [distributed in the Western Hemisphere by Macmillan, New York], 1963 - Science - 157 pages |

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### Contents

at infinity | 14 |

THE CONNECTION BETWEEN VARIOUS | 35 |

THE SYMMETRY OF THE FUNCTIONALS | 81 |

Copyright | |

5 other sections not shown

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### Common terms and phrases

approximate functions assume asymptotic expansion asymptotic form atomic electrons becomes zero Chapter characterized class of functions coefficients collision of electrons consider continuous spectrum coordinates corresponding derived detailed balance determined discrete spectrum elastic scattering energy operator equation 16 evaluated evident exact wave function exchange Fock's method formula func function F Green's Green's formula Hulthen's method hydrogen atom incident electron inelastic collisions instance integral identity integrand Kohn's method non-stationary problems operator H orthogonality parameters partial waves perturbation theory phase Phys plane wave potential barrier principle of detailed quantum mechanics relation right hand side satisfy the condition scattering amplitude scattering of electrons scattering of particles scattering problem Schrodinger's equation self-adjoint self-consistent field simplest solved spherical harmonics stationary with respect symmetry system of equations take into account term theory of collisions tion tional unitarity V. A. Fock variation of scale variational calculation variational methods variational principle vector virial theorem