The imprint on the cosmic microwave background (CMB) of Bianchi cosmologies

<p>These animations display the imprint that homogeneous but anisotropic Bianchi models induce in the cosmic microwave background (CMB).</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>scalars_movie.mp4 : Bianchi VIIh/VII0 scalar modes, imprint on the CMB for varying morphology parameters (matter and dark-energy density, rotation scale of shear principal axes)</p> <p>vectors_movie.mp4: Bianchi VIIh/VII0 vector modes, imprint on the CMB for varying morphology parameters (matter and dark-energy density, rotation scale of shear principal axes)</p> <p>tensor_movie.mp4: Bianchi VIIh/VII0 regular tensor modes, imprint on the CMB for varying morphology parameters (matter and dark-energy density, rotation scale of shear principal axes)</p> <p>Additional fixed parameters for the three animations above:<br /> cold-dark-matter physical density: 0.112<br /> baryon physical density: 0.226<br /> Pattern orientation additionally fixed to put spiral in full view</p> <p>_____________________________</p> <p>SVTT_movie.mp4: combinations of Bianchi VIIh/VII0 scalar, vector, regular and irregular tensor modes for varying relative amplitudes of these degrees of freedom and phase angle.</p> <p>Additional fixed parameters:<br /> cold-dark-matter physical density: 0.112<br /> baryon physical density 0.0226<br /> matter density: 0.27<br /> dark energy density: 0.7<br /> rotation scale of shear principal axes: 0.5<br /> Pattern orientation additionally fixed to put spiral in full view</p>