On the sensitivity of weak gravitational lensing to the cosmic expansion function
We analyse the functional derivative of the cosmic-shear power spectrum $C_\ell ^\gamma$ with respect to the cosmic expansion function. Our interest in doing so is two-fold: (i) In view of attempts to detect minor changes of the cosmic expansion function that may be due to a possibly time-dependent...
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| Main Authors: | , |
|---|---|
| Format: | Article (Journal) |
| Language: | English |
| Published: |
February 2024
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| In: |
Monthly notices of the Royal Astronomical Society
Year: 2024, Volume: 528, Issue: 2, Pages: 3456-3463 |
| ISSN: | 1365-2966 |
| DOI: | 10.1093/mnras/stae223 |
| Online Access: | Verlag, kostenfrei, Volltext: https://doi.org/10.1093/mnras/stae223
|
| Author Notes: | Christian F. Schmidt and Matthias Bartelmann |
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On the sensitivity of weak gravitational lensing to the cosmic expansion function
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