HIGHLIGHTS
- who: Silvia Pla from the DepartmentStrand Building, Strand Campus, Strand, London WC R LS, United Kingdom Universidad de Valencia have published the paper: Equivalence of the adiabatic expansion and Hadamard renormalization for a charged scalar field, in the Journal: (JOURNAL) of 10/01/2023
- what: The authors examine the relationship between three approaches (Hadamard DeWitt-Schwinger and adiabatic) to the renormalization of expectation values of field operators acting on a charged quantum scalar field. The authors demonstrate that the DeWitt-Schwinger representation of the Feynman Green`s function is a particular case of the Hadamard . . .
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