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gr-qc2014★ 66 cited
Geodesic Motion in Schwarzschild Spacetime Surrounded by Quintessence
Rashmi Uniyal, N. Chandrachani Devi, Hemwati Nandan +1
We study the time-like geodesic congruences, in the space-time geometry of a Schwarzschild black hole surrounded by quintessence. The nature of effective potential along with the s…
gr-qc2011★ 13 cited
Solar System Constraints on Scalar Tensor Theories with Non-Standard Action
N. Chandrachani Devi, Sudhakar Panda, Anjan A Sen
We compute the Post-Newtonian parameter (PPN),, for scalar-tensor gravity theory when the action functional for the scalar field is a non-standard one, namely the Dirac-Born-Inf…