When can we compute analytically lookback time, age of the universe, and luminosity distance?

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作者：
Sonia Jose
Alexandre Leblanc
Valerio Faraoni
机构：
[1] Bishop’s University,Department of Physics and Astronomy
[2] Université de Sherbrooke,Department of Physics
来源：
The European Physical Journal C | / 82卷
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摘要：
In Friedmann–Lemaître–Robertson–Walker cosmology, it is sometimes possible to compute analytically lookback time, age of the universe, and luminosity distance versus redshift, expressing them in terms of a finite number of elementary functions. We classify these situations using the Chebyshev theorem of integration and providing examples.
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