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Dirac operator and Chern-Simon action
1990
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The effective action generated by fermions exposed to a nonabelian gauge field in three-dimensional euclidean space is examined in detail. It is shown that the symmetries of the Dirac operator allow one to specify its determinant in a unique manner in terms of the corresponding heat kernel.
doi:10.5169/seals-116235
fatcat:ewgzrldsgrhsrbeipaf566ijqy