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    Chapter

    Varying Fundamental Constants Meet Hubble

    Fundamental physical constants need not be constant, neither spatially nor temporally. – This seeming simple statement has profound implications for a wide range of physical processes and interactions, and can...

    Jens Chluba, Luke Hart in The Hubble Constant Tension (2024)

  2. Article

    Open Access

    Microwave spectro-polarimetry of matter and radiation across space and time

    This paper discusses the science case for a sensitive spectro-polarimetric survey of the microwave sky. Such a survey would provide a tomographic and dynamic census of the three-dimensional distribution of hot...

    Jacques Delabrouille, Maximilian H. Abitbol, Nabila Aghanim in Experimental Astronomy (2021)

  3. Article

    Open Access

    A space mission to map the entire observable universe using the CMB as a backlight

    This Science White Paper, prepared in response to the ESA Voyage 2050 call for long-term mission planning, aims to describe the various science possibilities that can be realized with an L-class space observat...

    Kaustuv Basu, Mathieu Remazeilles, Jean-Baptiste Melin in Experimental Astronomy (2021)