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87 papers · 1 filter
Lagrangian theory of structure formation in relativistic cosmology. IV. Lagrangian approach to gravitational waves
Fosca Al Roumi, Thomas Buchert, Alexander Wiegand
The relativistic generalization of the Newtonian Lagrangian perturbation theory is investigated. In previous works, the perturbation and solution schemes that are generated by the…
Ten-dimensional origin of Minkowski vacua in supergravity
Emanuel Malek, Henning Samtleben
Maximal supergravity in four dimensions admits two inequivalent dyonic gaugings of the group . Both admit a Minkowski vacuum…
Ionised gas structure of 100 kpc in an over-dense region of the galaxy group COSMOS-Gr30 at z ~ 0.7
Benoît Epinat, Thierry Contini, Hayley Finley +16
We report the discovery of a 10^4 kpc^2 gaseous structure detected in [OII] in an over-dense region of the COSMOS-Gr30 galaxy group at z~0.725 thanks to deep MUSE Guaranteed Time O…
Phoresis in turbulent flows
Vishwanath Shukla, Romain Volk, Mickaël Bourgoin +1
Phoresis, the drift of particles induced by scalar gradients in a flow, can result in an effective compressibility, bringing together or repelling particles from each other. Here,…
The nature of giant clumps in distant galaxies probed by the anatomy of the Cosmic Snake
Antonio Cava, Daniel Schaerer, Johan Richard +4
Giant stellar clumps are ubiquitous in high-redshift galaxies. They are thought to play an important role in the build-up of galactic bulges and as diagnostics of star formation fe…
The MUSE Hubble Ultra Deep Field Survey VI: The Faint-End of the Lya Luminosity Function at 2.91 < z < 6.64 and Implications for Reionisation
A. B. Drake, T. Garel, L. Wisotzki +19
We present the deepest study to date of the Lya luminosity function (LF) in a blank field using blind integral field spectroscopy from MUSE. We constructed a sample of 604 Lya emit…