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PGSPT


Course: Perturbation Theory, S-Matrix Theory

Department/Abbreviation: OPT/PGSPT

Year: 2019

Guarantee: 'prof. RNDr. Zdeněk Hradil, CSc.'

Annotation: Quantum theory of scattering: Stationary approximation, method of partial waves, S-matrix, resonances, Green's functions, Lippmann--Schwinger equation, Born's series

Course review:
-Quantum theory of scattering: Stationary approximation, method of partial waves, S-matrix, resonances, Green's functions, Lippmann--Schwinger equation, Born's series -Theory of interacting fields: Symmetries and interaction Lagrangians, electromagnetic interactions of scalar and spinor particles, in and out states, U-, S-, and T-matrices, unitarity of S-matrix, effective cross sections, Dirac picture, perturbation expansion of an S-matrix, Wick's theorem, integral representation of invariant functions