Anomalous coupling of scalars to gauge fields
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| Title: | Anomalous coupling of scalars to gauge fields |
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| Authors: | Brax, Philippe1 philippe.brax@cea.fr, Burrage, Clare2,3 Clare.Burrage@unige.ch, Davis, Anne-Christine4 A.C.Davis@damtp.cam.ac.uk, Seery, David5 D.Seery@sussex.ac.uk, Weltman, Amanda6 amanda.weltman@uct.ac.za |
| Source: | Physics Letters B. May2011, Vol. 699 Issue 1/2, p5-9. 5p. |
| Subjects: | Gauge field theory, Scalar field theory, Calculus of tensors, Fermions, Dark energy, Quantum field theory, Gravity |
| Abstract: | Abstract: We study the transformation properties of a scalar–tensor theory, coupled to fermions, under the Weyl rescaling associated with a transition from the Jordan to the Einstein frame. We give a simple derivation of the corresponding modification to the gauge couplings. After changing frames, this gives rise to a direct coupling between the scalar and the gauge fields. [Copyright &y& Elsevier] |
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| Database: | Engineering Source |
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