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Maxwell-Chern-Simons theory for curved spacetime backgrounds | | E. Kant
; F.R. Klinkhamer
; | | Date: |
16 Jul 2005 | | Journal: | Nucl. Phys. B 731 (2005) 125 DOI: 10.1016/j.nuclphysb.2005.09.045 | | Abstract: | We consider a modified version of four-dimensional electrodynamics, which has a photonic Chern-Simons-like term with spacelike background vector in the action. Light propagation in curved spacetime backgrounds is discussed using the geometrical-optics approximation. The corresponding light path is modified, which allows for new effects. In a Schwarzschild background, for example, there now exist stable bounded orbits of light rays and the two polarization modes of light rays in unbounded orbits can have different gravitational redshifts. | | Source: | arXiv, hep-th/0507162 | | Services: | Forum | Review | PDF | Favorites | |
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