105 citations · 157 across the 2 of their papers we have counts for
2 papers
hep-th2009★ 52 cited
Critical Formation of Trapped Surfaces in the Collision of Non-expanding Gravitational Shock Waves in de Sitter Space-Time
I. Ya. Aref'eva, A. A. Bagrov, E. A. Guseva
We study the formation of marginally trapped surfaces in the head-on collision of two shock waves in de Sitter space-time as a function of the cosmological constant and the shock w…
hep-th2007★ 105 cited
Bouncing and Accelerating Solutions in Nonlocal Stringy Models
I. Ya. Aref'eva, L. V. Joukovskaya, S. Yu. Vernov
A general class of cosmological models driven by a non-local scalar field inspired by string field theories is studied. In particular cases the scalar field is a string dilaton or…