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- W3143183240 abstract "Godel-type metrics that are homogeneous in both space and time remain, like the Schwarzschild metric, consistent within Chern-Simons modified gravity; this is true in both the non-dynamical and dynamical frameworks, each of which involves an additional pseudoscalar field coupled to the Pontryagin density. In this paper, we consider static, first-order perturbations to these metrics in the non-dynamical framework. Under certain assumptions we find analytical solutions to the perturbed field equations. The solutions of the first-order field equations break the translational and cylindrical symmetries of the unperturbed metrics. The effective potential controlling planar geodesic orbits is also affected by the perturbation parameter, which changes the equilibrium radii for the orbits of both massive particles and massless photons." @default.
- W3143183240 created "2021-04-13" @default.
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- W3143183240 date "2021-03-25" @default.
- W3143183240 modified "2023-09-27" @default.
- W3143183240 title "First-order perturbations of G{o}del-type metrics in non-dynamical Chern-Simons modified gravity" @default.
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