119 citations
- Al-Azhar UniversityEG3 papers
- Hobart and William Smith CollegesUS3 papers
- Arizona State UniversityUS2 papers
- Tanta UniversityEG2 papers
- University of WashingtonUS2 papers
- Zewail City of Science and TechnologyEG2 papers
- Arcetri Astrophysical ObservatoryIT1 paper
- Cairo UniversityEG1 paper
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4 papers · 1 filter
Symmetry and Conserved Quantities in -Gravity: Mei vs. Noether Approaches
Tahia F. Dabash, Moataz H. Emam, Lukas Schoppner
We study the symmetries and conserved quantities in gravity for the static, spherically symmetric Reissner--Nordström spacetime using two complementary frameworks: Noether s…
Interpreting the Cosmic History of the Universe Through Five-Dimensional Supergravity
Moataz H. Emam, Safinaz Salem
Through modeling the universe as a symplectic 3-brane embedded in the bulk of N = 2 five-dimensional ungauged supergravity theory, the entire evolution of the universe can be inter…
The Implications of N = 2 Supergravity Cosmology On the Topology of the Calabi-Yau Manifold
Safinaz Salem, Moataz H. Emam, H. H. Salah
When N= D=11 supergravity is compactified on CY threefold to N=2 D=5 supergravity the action of the last is given in terms of the geometery of the CY manifold space, namely, in ter…
Geodesic structure of five-dimensional non-asymptotically flat 2-branes
Jesse Chandler, Moataz H. Emam
We study the geodesics of a five dimensional non-asymptotically flat dilatonic 2-brane. Although the metric's warp function diverges logarithmically in the far field region of the…