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An electric dipole transition is the dominant effect of an interaction of an electron in an atom with the electromagnetic field. Following reference, consider an electron in an atom with quantum Hamiltonian , interacting with a plane electromagnetic wave Write the Hamiltonian of the electron in this electromagnetic field as Treating this system by means of time-dependent perturbation theory, one finds that the most likely transitions of the electron from one state to the other occur due to the summand of written as The next order summand in is written as

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  • Electric dipole transition (en)
  • 電気双極子遷移 (ja)
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  • 電気双極子遷移（でんきそうきょくしせんい）は、電子と電磁場との相互作用による遷移において，電子の電気双極子が支配的であるときの遷移のことである。実際には磁気双極子やによる寄与もあるのだが、一般的には電気双極子による寄与が最も大きいことが多い。 (ja)
  • An electric dipole transition is the dominant effect of an interaction of an electron in an atom with the electromagnetic field. Following reference, consider an electron in an atom with quantum Hamiltonian , interacting with a plane electromagnetic wave Write the Hamiltonian of the electron in this electromagnetic field as Treating this system by means of time-dependent perturbation theory, one finds that the most likely transitions of the electron from one state to the other occur due to the summand of written as The next order summand in is written as (en)
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  • An electric dipole transition is the dominant effect of an interaction of an electron in an atom with the electromagnetic field. Following reference, consider an electron in an atom with quantum Hamiltonian , interacting with a plane electromagnetic wave Write the Hamiltonian of the electron in this electromagnetic field as Treating this system by means of time-dependent perturbation theory, one finds that the most likely transitions of the electron from one state to the other occur due to the summand of written as Electric dipole transitions are the transitions between energy levels in the system with the Hamiltonian . Between certain electron states the electric dipole transition rate may be zero due to one or more selection rules, particularly the angular momentum selection rule. In such a case, the transition is termed electric dipole forbidden, and the transitions between such levels must be approximated by higher-order transitions. The next order summand in is written as and describes magnetic dipole transitions. Even smaller contributions to transition rates are given by higher electric and magnetic multipole transitions. (en)
  • 電気双極子遷移（でんきそうきょくしせんい）は、電子と電磁場との相互作用による遷移において，電子の電気双極子が支配的であるときの遷移のことである。実際には磁気双極子やによる寄与もあるのだが、一般的には電気双極子による寄与が最も大きいことが多い。 (ja)
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