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The adiabatic hypothesis for magnetic fields

  • P. A. M. Dirac (a1)
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The usual proof of the adiabatic invariance of the quantum integrals of a multiply periodic dynamical system rests on the assumption that the Hamiltonian equations remain valid for the adiabatically changing system, with the same Hamiltonian function H, or at any rate with a new Hamiltonian function differing from the old one only by terms that vanish with ȧ, (a) being the varying parameter.

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* Dirac, , Proc. Roy. Soc. A, vol. 107 (1925), p. 726.

* See Born, , Vorlesungen über Atommechanik, pp. 238, 239.

* Atombau und Spektrallinien, 4th edition, p. 403.

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Mathematical Proceedings of the Cambridge Philosophical Society
  • ISSN: 0305-0041
  • EISSN: 1469-8064
  • URL: /core/journals/mathematical-proceedings-of-the-cambridge-philosophical-society
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