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hep-th2023
Bosonization, effective action, and R-operation in a generalized Nambu-Jona-Lasinio model
Sergii Kutnii
Bosonization in a theory with four-fermion interaction of Nambu-Jona-Lasinio type with additional U(N) symmetry is studied. It is demonstrated that bosonization is not uniquely det…
hep-th2023
Dirac: a command-line -matrix calculator
Sergii Kutnii
A software for simplification of Dirac matrix polynomials that arise in particle physics problems is implemented.