Nonlinear Dynamics and Applications

2007, Vol.14, pp.52-61

A projection operators technique in calculations of Green function for quantum system in external field.
H.V. Grushevskaya

Properties of projective operational function of Green for quantum system was analysed. The diagrammatic technique to find a Green function of quantum system in an external field is offere.
Key words: quantum system, projection operator, Green function

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