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ISBN 978-80-7378-025-8 © MATFYZPRESS PT-Symmetric Field Theory With Cubic Interaction

By H. Bíla


Abstract. An S-matrix in a PT-symmetric field-theoretical model with imaginary cubic interaction term is perturbatively calculated and the Feynman rules are derived. This is done in order to illustrate the problems arising from the scalar product redefinition inherent to PT-symmetric quantum theories. A discussion is provided at the end of the article

Year: 2011
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