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scattering theory

   Also found in: Wikipedia 0.01 sec.
scattering theory [′skad·ə·riŋ ‚thē·ə·rē]
(physics)
The discipline that mathematically determines the amplitudes of the scattered fields in a scattering process or collision from the equations of motion of the interacting particles, including the potential energy of the interaction. Also known as direct scattering theory.


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The author describes the origins of quantum mechanics, its mathematical tools and postulates, one- and three-dimensional problems, angular momentum, identical particles, approximation methods for stationary states, scattering theory, time-dependent perturbation theory, and other related topics.
However many realizations in different fields including system theory, scattering theory, and electrical engineering involve unbounded main operators and a complete theory is not yet available.
The measured rate coefficient for the reaction is in good agreement with results from a quantum mechanical two-body scattering theory for all the intensities that were achievable experimentally, and can exceed the classical limit by more than four orders of magnitude.
 
 
 
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