Neutral wind and density perturbations in the thermosphere created by gravity waves observed by the TIDDBIT sounder
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2016ja023828
Abstract: In this paper, we study the 10 traveling ionospheric disturbances (TIDs) observed at zobsā¼283 km by the TIDDBIT ionospheric sounder on 30 October 2007 at 0400-0700 UT near Wallops Island, USA. These TIDs propagated northwest/northward,… read more here.
Keywords: wind; gravity waves; neutral wind; density ... See more keywords
Gravitational waves from density perturbations in an early matter domination era
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Cosmology and Astroparticle Physics"
DOI: 10.1088/1475-7516/2021/07/046
Abstract: We calculate the gravitational wave background produced from density perturbations in an early matter domination era where primordial black holes form. The formation of black holes requires perturbations out of the linear regime. Space with… read more here.
Keywords: matter; perturbations early; early matter; density perturbations ... See more keywords