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4 papers · 2 filters
Spinning particles in scalar-tensor gravity
D. A. Burton, R. W. Tucker, C. H. Wang
We develop a new model of a spinning particle in Brans-Dicke spacetime using a metric-compatible connection with torsion. The particle's spin vector is shown to be Fermi-parallel (…
On the generalized Jacobi equation
Volker Perlick
The standard text-book Jacobi equation (equation of geodesic deviation) arises by linearizing the geodesic equation around some chosen geodesic, where the linearization is done wit…
Theoretical gravitational lensing. Beyond the weak-field small-angle approximation
Volker Perlick
An overview is given on those theoretical gravitational lensing results that can be formulated in a spacetime setting, without assuming that the gravitational fields are weak and t…
Charged Fluid Dynamics in Scalar-Tensor Theories of Gravity with Torsion
Chih-Hung Wang
n scalar-tensor theories of gravity with torsion, the gravitational field is described in terms of a symmetric metric tensor , a metric-compatible connection with torsi…