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Science with the space-based interferometer LISA. IV: Probing inflation with gravitational waves
Nicola Bartolo, Chiara Caprini, Valerie Domcke +11
We investigate the potential for the LISA space-based interferometer to detect the stochastic gravitational wave background produced from different mechanisms during inflation. Foc…
Disformal invariance of continuous media with linear equation of state
M. Celoria, S. Matarrese, L. Pilo
We show that the effective theory describing single component continuous media with a linear and constant equation of state of the form is invariant under a 1-parameter fami…
Planck intermediate results. XLVIII. Disentangling Galactic dust emission and cosmic infrared background anisotropies
Planck Collaboration, N. Aghanim, M. Ashdown +157
Using the Planck 2015 data release (PR2) temperature maps, we separate Galactic thermal dust emission from cosmic infrared background (CIB) anisotropies. For this purpose, we imple…
Gravitational waves from inflation
Maria Chiara Guzzetti, Nicola Bartolo, Michele Liguori +1
The production of a stochastic background of gravitational waves is a fundamental prediction of any cosmological inflationary model. The features of such a signal encode unique inf…
Living with ghosts in Horava-Lifshitz gravity
S. Ramazanov, F. Arroja, M. Celoria +2
We consider the branch of the projectable Horava-Lifshitz model which exhibits ghost instabilities in the low energy limit. It turns out that, due to the Lorentz violating structur…
Planck intermediate results. XLII. Large-scale Galactic magnetic fields
Planck Collaboration, R. Adam, P. A. R. Ade +175
Recent models for the large-scale Galactic magnetic fields in the literature have been largely constrained by synchrotron emission and Faraday rotation measures. We use three diffe…