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单词 perturbation theory
释义

Definition of perturbation theory in English:

perturbation theory

noun
Physics Mathematics
  • The method of investigating solutions of equations representing physical systems, especially quantum systems, by relating them by means of perturbations to those of similar but simpler systems which can be solved directly.

Origin

1920s; earliest use found in Proceedings of the Royal Society of London.

Definition of perturbation theory in US English:

perturbation theory

noun
Physics Mathematics
  • The method of investigating solutions of equations representing physical systems, especially quantum systems, by relating them by means of perturbations to those of similar but simpler systems which can be solved directly.

Origin

1920s; earliest use found in Proceedings of the Royal Society of London.

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