New Special Issue: Dark Energy in GRG Journal

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The journal 'General Relativity and Gravitation' has published a new special issue focused on Dark Energy, featuring 15 articles available for free. The announcement highlights the importance of this topic in the field of cosmology. Participants express appreciation for the resource and hope for continued access to the articles. The links provided facilitate easy access to the content. This special issue serves as a valuable contribution to ongoing discussions about Dark Energy in scientific research.
Atakor
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Hello,

'General relativity and Gravitation' journal has released a new special issue about Dark energy.
15 articles, 100% free !

http://www.springerlink.com/content/lm37485593h5/?sortorder=asc

enjoy:wink:
 
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Thank you for bringing that to our notice Atakor and welcome to these Forums!

Garth
 
You're welcome Garth and thanks !
 
I hope that they do not limit the access before I get to read all the articles.
jal
 
Thanks very much for the links.
 
https://en.wikipedia.org/wiki/Recombination_(cosmology) Was a matter density right after the decoupling low enough to consider the vacuum as the actual vacuum, and not the medium through which the light propagates with the speed lower than ##({\epsilon_0\mu_0})^{-1/2}##? I'm asking this in context of the calculation of the observable universe radius, where the time integral of the inverse of the scale factor is multiplied by the constant speed of light ##c##.
The formal paper is here. The Rutgers University news has published a story about an image being closely examined at their New Brunswick campus. Here is an excerpt: Computer modeling of the gravitational lens by Keeton and Eid showed that the four visible foreground galaxies causing the gravitational bending couldn’t explain the details of the five-image pattern. Only with the addition of a large, invisible mass, in this case, a dark matter halo, could the model match the observations...
Why was the Hubble constant assumed to be decreasing and slowing down (decelerating) the expansion rate of the Universe, while at the same time Dark Energy is presumably accelerating the expansion? And to thicken the plot. recent news from NASA indicates that the Hubble constant is now increasing. Can you clarify this enigma? Also., if the Hubble constant eventually decreases, why is there a lower limit to its value?
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