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Chern-Simons-like action induced radiatively in General Relativity | | T. Mariz
; J. R. Nascimento
; E. Passos
; R. F. Ribeiro
; | | Date: |
21 Mar 2004 | | Journal: | Phys.Rev. D70 (2004) 024014 | | Subject: | hep-th gr-qc hep-ph | | Abstract: | The Chern-Simons-like gravitational action is evaluated explicitly in four dimensional space-time by radiative corrections at one-loop level. The calculation is performed in fermionic sector where the Dirac fermions interact with the background gravitational field, including the parity-violating term arpsi sgamma_5psi. The investigation takes into account the weak field approximation and dimensional regularization scheme. | | Source: | arXiv, hep-th/0403205 | | Services: | Forum | Review | PDF | Favorites | |
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