activity
20082013
most citedCan the observed large scale magnetic fields be seeded by helical primordial fields?

55 citations · 97 across the 3 of their papers we have counts for

collaborators

7 papers

astro-ph.CO2013★ 14 cited

Cosmic Microwave Background temperature and polarization anisotropies from the large-N limit of global defects

Elisa Fenu, Daniel G. Figueroa, Ruth Durrer +2

We determine the full C_l spectra and correlation functions of the temperature and polarization anisotropies in the CMB, generated by a source modeled by the large N limit of spont…

astro-ph.CO2011

A large scale coherent magnetic field: interactions with free streaming particles and limits from the CMB

Julian Adamek, Ruth Durrer, Elisa Fenu +1

We study a homogeneous and nearly-isotropic Universe permeated by a homogeneous magnetic field. Together with an isotropic fluid, the homogeneous magnetic field, which is the prima…

astro-ph.CO2010

The seed magnetic field generated during recombination

Elisa Fenu, Cyril Pitrou, Roy Maartens

Nonlinear dynamics creates vortical currents when the tight-coupling approximation between photons and baryons breaks down around the time of recombination. This generates a magnet…

astro-ph.CO2010★ 28 cited

The local B-polarization of the CMB: a very sensitive probe of cosmic defects

Juan Garcia-Bellido, Ruth Durrer, Elisa Fenu +2

We present a new and especially powerful signature of cosmic strings and other topological or non-topological defects in the polarization of the cosmic microwave background (CMB).…

astro-ph.CO2009

Gravitational waves from self-ordering scalar fields

Elisa Fenu, Daniel G. Figueroa, Ruth Durrer +1

Gravitational waves were copiously produced in the early Universe whenever the processes taking place were sufficiently violent. The spectra of several of these gravitational wave…

astro-ph.CO2009★ 55 cited

Can the observed large scale magnetic fields be seeded by helical primordial fields?

Chiara Caprini, Ruth Durrer, Elisa Fenu

Gravitational wave production induces a strong constraint on the amplitude of a primordial magnetic field. It has been shown that the nucleosynthesis bound for a stochastic gravita…