S-matrix theory

S-matrix theory

[′es ¦mā·triks ′thē·ə·rē]
(particle physics)
A theory of elementary particles based on the scattering matrix, and on its properties such as unitarity and analyticity. Also known as scattering-matrix theory.
References in periodicals archive ?
But the S-Matrix Theory from quantum physics is not developed well, though the concept of "cultural particles" offers an interesting analogy.