Resonant production of fermions in an axial background



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López Maroto, Antonio and Mazumdar, Anupam (1999) Resonant production of fermions in an axial background. Physical Review D, 59 (8). ISSN 0556-2821

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We consider the resonant production of fermions from an oscillating axial background. The classical evolution of the axial field is given by that of a massive pseudovector field, as suggested by the renormalizability of the theory. We look upon both the massive and the massless fermion production from a perturbative point of view. We obtain the corresponding spectrum and angular distributions for the different spins or helicities in the particular case of a spatial-like axial held. We also extend our study to the nonperturbative regime in the massless case and compare the results with the perturbative ones. [S0556-2821(99)04308-8].

Item Type:Article
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© 1999 The American Physical Society. A.L.M. acknowledges support from SEUID-Royal Society and (CICYT-AEN96-1634) (Spain). A.M. is supported by INLAKS and ORS. We thank Juan García Bellido, Luis Mendes, and Andrew Liddle for valuable discussions.

Uncontrolled Keywords:String cosmology, Torsion, Time, Inflation, Field
Subjects:Sciences > Physics
ID Code:27375
Deposited On:18 Nov 2014 11:26
Last Modified:20 Nov 2014 09:34

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