Browsing Τμήμα Φυσικής / Department of Physics by Subject "12.90.tb"

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    • Article  

      Nonperturbative dressing of nucleons by mesons 

      Alexandrou, Constantia; Lu, Y.; Rosenfelder, R. (1994)
      Following Feynman's treatment of the polaron problem we present an approximate non-perturbative method of dressing nucleons by scalar and vector mesons: after integrating out the meson fields in the path integral we perform ...
    • Article  

      Nonperturbative treatment of the N-body system with dynamical mesons 

      Alexandrou, Constantia; Diakonos, Fotis K. (1995)
      The variational approach, used by Feynman in the study of the polaron problem, is generalized to treat a system of N non-relativistic particles interacting with scalar and vector mesons. After integrating out the meson ...