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Dispersion of the luminosity distance as a cosmological probe

Dispersion of the luminosity distance as a cosmological probe

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LC Averaging <br />

! Useful for interpreting light-­‐like <br />

signals in <strong>cosmological</strong> <br />

observations. <br />

! Hyper-­‐surfaces using meaningful <br />

physical quantities: Redshift, <br />

temperature etc. <br />

! Observations are made on <strong>the</strong> <br />

light-­‐cone. Volume averaging <br />

give artefacts and <strong>the</strong> matching <br />

with data is not clear. <br />

! P<strong>as</strong>t attempts: Coley 0905.2442; <br />

R<strong>as</strong>anen 1107.1176, 0912.3370

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