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Probing dark energy using convergence power spectrum and bi-spectrum

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arxiv 1705.00657 v2 pith:E4HYTU2Q submitted 2017-05-01 astro-ph.CO

classification astro-ph.CO
keywords darkenergyconvergencebi-spectrumpowerspectrumdifferentlambda
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abstract

Weak lensing convergence statistics is a powerful tool to probe dark energy. Dark energy plays an important role to the structure formation and the effects can be detected through the convergence power spectrum, bi-spectrum etc. One of the most promising and simplest dark energy model is the $ \Lambda $CDM. However, it is worth investigating different dark energy models with evolving equation of state of the dark energy. In this work, detectability of different dark energy models from $ \Lambda $CDM model has been explored through convergence power spectrum and bi-spectrum.

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Cited by 1 Pith paper

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  1. Physical vs phantom dark energy after DESI: thawing quintessence in a curved background

    astro-ph.CO 2025-04 conditional novelty 6.0 of 10

    Curved thawing quintessence models fit DESI DR2 BAO, CMB, and Pantheon+ data as well as the flat w0-wa parametrization, so phantom crossing is model-dependent rather than required.

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