Browsing by Author "Clarke, Alan"

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    A study of distances and the Baryon Acoustic Oscillations in curved spacetimes.
    (2012) Clarke, Alan; Bassett, Bruce
    The Baryon Acoustic Oscillations offer a powerful method of measuring cosmological distances and the expansion history of the Universe. Understanding of the BAO comes from linear physics and allows for accurate predictions of the BAO scale. This will result in accurate measurements of the parameters of the Universe. Currently, most BAO measurements assume a flat cosmology; this work seeks to investigate if the assumption of flatness provides inaccuracies in the measurement process.