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Showing 2015 · gr-qcShow all
3 papers · 2 filters
gr-qc2015★ 10 cited
Cosmological Perturbations and Quasi-Static Assumption in Theories
Mu-Chen Chiu, Andy Taylor, Chenggang Shu +1
gravity is one of the simplest theories of modified gravity to explain the accelerated cosmic expansion. Although it is usually assumed that the quasi-Newtonian approach (a…
gr-qc2015★ 24 cited
Traversable Wormholes and Classical Scalar Fields
Luke M. Butcher
I prove that general relativity admits no asymptotically well-behaved static spherically symmetric traversable wormholes supported by classical scalar fields and nonexotic matter.…
gr-qc2015★ 17 cited
Stellar models in Brane Worlds
Francisco X. Linares, Miguel A. Garcia-Aspeitia, L. Arturo Ureña-Lopez
We consider here a full study of stellar dynamics from the brane-world point of view in the case of constant density and of a polytropic fluid. We start our study cataloguing the m…