34 citations · 105 across the 7 of their papers we have counts for
7 papers
Concern Regarding "A Non-Inflationary Solution to the Entropy Problem of Standard Cosmology."
Natalia Shuhmaher
We discuss the entropy and the size/homogeneity/horizon problems in power-law expanding universes with one scale initial conditions. We set the minimal scale GeV at wh…
A note on the moduli-induced gravitino problem
Natalia Shuhmaher
The cosmological moduli problem has been recently reconsidered. Papers [1,2] show that even heavy moduli (m_ϕ> 10^5 GeV) can be a problem for cosmology if a branching ratio of the…
Predictions of Dynamically Emerging Brane Inflation Models
Thorsten Battefeld, Natalia Shuhmaher
We confront the recent proposal of Emerging Brane Inflation with WMAP3+SDSS, finding a scalar spectral index of in excellent agreement with observa…
The Confining Heterotic Brane Gas: A Non-Inflationary Solution to the Entropy and Horizon Problems of Standard Cosmology
Robert Brandenberger, Natalia Shuhmaher
We propose a mechanism for solving the horizon and entropy problems of standard cosmology which does not make use of cosmological inflation. Crucial ingredients of our scenario are…
Brane gas-driven bulk expansion as a precursor stage to brane inflation
Natalia Shuhmaher, Robert Brandenberger
We propose a new way of obtaining slow-roll inflation in the context of higher dimensional models motivated by string and M theory. In our model, all extra spatial dimensions are o…
Non-Perturbative Instabilities as a Solution of the Cosmological Moduli Problem
Natalia Shuhmaher, Robert Brandenberger
It is widely accepted that moduli in the mass range 10eV - GeV which start to oscillate with an amplitude of the order of the Planck scale either jeopardize successful predic…