Abstract
A geometrical framework for obtaining the5-operator description of quantum fields interacting with external potentials (including gravitation) is presented. An approach to quantum theory of mutually interacting Bose fields is suggested.
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Ashtekar, A., Magnon-ashtekar, A. A geometrical approach to external potential problems in quantum field theory. Gen Relat Gravit 12, 205–223 (1980). https://doi.org/10.1007/BF00756233
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DOI: https://doi.org/10.1007/BF00756233