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On the aether-like Lorentz-breaking actions

Nov, 2009

16 pages

Published in:

Phys.Rev.D 81 (2010) 045018

e-Print:

0911.3548 [hep-th]

DOI:

10.1103/PhysRevD.81.045018

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Abstract: (arXiv)

We demonstrate the generation of the CPT-even, aether-like Lorentz-breaking actions for the scalar and electromagnetic fields via their appropriate Lorentz-breaking coupling to spinor fields in three, four and five space-time dimensions. Besides, we show that the aether-like terms for the spinor field also can be generated as a consequence of the same couplings. Also we discuss the dispersion relations in the theories with aether-like Lorentz-breaking terms and find the tree-level effective (Breit) potential for fermion scattering and the one-loop effective potential corresponding to the action of the scalar field.

Note:

18 pages, version accepted to Physical Review D

11.30.Cp
11.10.Kk
field theory: spinor
field theory: scalar
fermion: scattering
electromagnetic field
dispersion relation
violation: Lorentz
ether
effective potential

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Figures(0)

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