activity
20032009
most citedWhen do colliding bubbles produce an expanding universe?

28 citations · 73 across the 7 of their papers we have counts for

collaborators

7 papers

astro-ph.CO2009★ 9 cited

Lensing effects in inhomogeneous cosmological models

Sima Ghassemi, Salomeh Khoeini Moghaddam, Reza Mansouri

Concepts developed in the gravitational lensing techniques such as shear, convergence, tangential and radial arcs maybe used to see how tenable inhomogeneous models proposed to exp…

astro-ph2007★ 15 cited

Is Thick Brane Model Consistent with the Recent Observations?

M. Sadegh Movahed, Sima Ghassemi

There exist many observational evidences implying the expansion of our universe is undergoing a late-time acceleration, the mechanism of this acceleration is yet unknown. In the so…

gr-qc2006★ 5 cited

Thick planar domain wall: its thin wall limit and dynamics

S. Ghassemi, S. Khakshournia, R. Mansouri

We consider a planar gravitating thick domain wall of the theory as a spacetime with finite thickness glued to two vacuum spacetimes on each side of it. Darmois junction con…

gr-qc2006★ 10 cited

Generalized Friedmann Equations for a Finite Thick Brane

S. Ghassemi, S. Khakshournia, R. Mansouri

We present the generalized Friedmann equations describing the cosmological evolution of a finite thick brane immeresed in a five-dimensional Schwarzschild Anti-de Sitter spacetime.…

gr-qc2005

On the thin wall limit of thick planar domain walls

S. Ghassemi, S. Khakshournia, R. Mansouri

Considering a planar gravitating thick domain wall of the theory, we demonstrate how the Darmois junction conditions written on the boundaries of the thick wall with the emb…

astro-ph2004★ 6 cited

Constraining Galactic Models Through Parallax and Astrometry of Microlensing Events

Sohrab Rahvar, Sima Ghassemi

In recent years various models for the Galactic distribution of massive compact halo objects (MACHOs) have been proposed for the interpretation of microlensing toward the Large Mag…