Spectral separation of the stochastic gravitational-wave background for LISA: galactic, cosmological and astrophysical backgrounds

Guillaume Boileau, Astrid Lamberts, Nelson Christensen, Neil J. Cornish, and Renate Meyer Artemis, Observatoire de la Côte d’Azur, Université Côte d’Azur, CNRS, 06304 Nice, France Laboratoire Lagrange, Observatoire de la Côte d’Azur, Université Côte d’Azur, CNRS , 06304 Nice, France eXtreme Gravity Institute, Department of Physics,Montana State University, Bozeman, Montana 59717, USA 4 Department of Statistics, University of Auckland, Auckland, New Zealand