497 citations · 8.4k across the 112 of their papers we have counts for
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astro-ph.CO2014★ 30 cited
Domain walls coupled to matter: the symmetron example
Claudio Llinares, Levon Pogosian
We study properties of domain walls in the symmetron model, in which the scalar gravitational degree of freedom decouples from matter in regions of high density, and exhibits a spo…
astro-ph.CO2014★ 60 cited
Did BICEP2 see vector modes? First B-mode constraints on cosmic defects
Adam Moss, Levon Pogosian
Scaling networks of cosmic defects, such as strings and textures, actively generate scalar, vector and tensor metric perturbations throughout the history of the universe. In partic…
astro-ph.CO2014★ 21 cited
Observable physical modes of modified gravity
Alireza Hojjati, Levon Pogosian, Alessandra Silvestri +1
At linear order in cosmological perturbations, departures from the growth in the cosmological standard model can be quantified in terms of two functions of redshift and Fourier…