Astrophysical: Dark energy

  • News
    DESI opens its 5.000 eyes to capture the colors of the Cosmos

    The new instrument, the result of an international collaboration of almost a hundred institutions, including the Instituto de Astrofísica de Canarias, has made...

  • Talk
    Open questions and Non-Standard models

    I will review some theoretical ideas in Cosmology different to the standard "Big Bang": the Quasi-steady State model, Plasma Cosmology model, non-cosmological...

  • Talk
    The Square Kilometre Array: At the Frontiers of Astronomy, Physics, and Astrobiology

    The Square Kilometre Array is intended to be the centimeter- and meter-wavelength telescope for the 21st Century. Originally proposed as the "hydrogen telescope...

  • Talk
    Planning the WHT future: the WEAVE wide-field massive-multiplex spectrograph

    The vision for the use of the WHT in the coming decade is taking shape. A key element is the construction and deployment of WEAVE, a wide-field massive...

  • Talk
    Can Voids and Superclusters trace Dark Energy?

    I revisit the claim of Dark Energy detection after stacking CMB data on the angular position of voids and superclusters in Sloan Data. I examine the...

  • Talk
    Dark Energy and Cosmic Sound

    I will discuss how the acoustic oscillations that propagate in the photon-baryon fluid during the first million years of the Universe provide a robust method...