Publication: The signature of dark energy on the local Hubble flow
The signature of dark energy on the local Hubble flow
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Macciò, A. V., Governato, F., & Horellou, C. (2005). The signature of dark energy on the local Hubble flow. Monthly Notices of the Royal Astronomical Society, 359(3), 941–948. https://doi.org/10.1111/j.1365-2966.2005.08947.x
Abstract
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Abstract
Using N-body simulations of flat, dark energy-dominated cosmologies, we show that galaxies around simulated binary systems resembling the Local Group (LG) have low peculiar velocities, in good agreement with observational data. We have compared results for LG-like systems selected from large, high-resolution simulations of three cosmologies: a ΛCDM model, a ΛWDM model with a 2-keV warm dark matter candidate, and a quintessence (QCDM) model with an equation-of-state parameter w=−0.6. The Hubble flow is significantly colder around LGs s
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- Macciò, Andrea V
- Governato, Fabio
- Horellou, Cathy
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Citations
Macciò, A. V., Governato, F., & Horellou, C. (2005). The signature of dark energy on the local Hubble flow. Monthly Notices of the Royal Astronomical Society, 359(3), 941–948. https://doi.org/10.1111/j.1365-2966.2005.08947.x
