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    Direct acceleration: cosmic and exoplanet synergies

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    Date Issued
    2019-03-13
    Author(s)
    Erskine, David
    Kim, Alex
    Linder, Eric
    Buschmann, Malte
    Easther, Richard
    Ferraro, Simone
    Muirhead, Philip
    Phillips, David
    Ravi, Aakash
    Safdi, Benjamin
    Schaan, Emmanuel
    Silverwood, Hamish
    Walsworth, Ronald
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    Permanent Link
    https://hdl.handle.net/2144/40039
    Version
    Accepted manuscript
    Citation (published version)
    David Erskine, Alex Kim, Eric Linder, Malte Buschmann, Richard Easther, Simone Ferraro, Philip Muirhead, David Phillips, Aakash Ravi, Benjamin Safdi, Emmanuel Schaan, Hamish Silverwood, Ronald Walsworth. 2019. "Direct Acceleration: Cosmic and Exoplanet Synergies."
    Abstract
    Direct measurement of acceleration is a key scientific goal for both cosmology and exoplanets. For cosmology, the concept of redshift drift (more than 60 years old by the 2020s) could directly establish the Friedmann-Lema{\^\i}tre-Robertson-Walker model. It would increase the dark energy figure of merit by a factor of 3 beyond Stage 4 experiments, in combination with cosmic microwave background measurements. For exoplanets, the same technology required provides unprecedented radial velocity accuracy, enabling detection of Earth mass planets in the habitable zone. Other science cases include mapping the Milky Way gravitational potential and testing its dark matter distribution.
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    • CAS: Astronomy: Scholarly Papers [172]
    • BU Open Access Articles [3664]


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