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Why do galactic spins flip in the cosmic web? A Theory of Tidal Torques near saddles

Abstract:

Filaments of the cosmic web drive spin acquisition of disc galaxies. The point process of filament-type saddle represent best this environment and can be used to revisit the Tidal Torque Theory in the context of an anisotropic peak (saddle) background split. The constrained misalignment between the tidal tensor and the Hessian of the density field generated in the vicinity of filament saddle points simply explains the corresponding transverse and longitudinal point-reflection symmetric geome...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1017/S1743921316010309

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Publisher:
Cambridge University Press (CUP) Publisher's website
Journal:
Proceedings of the International Astronomical Union Journal website
Volume:
11
Issue:
S308
Pages:
421-432
Publication date:
2016-10-12
DOI:
EISSN:
1743-9221
ISSN:
1743-9213
URN:
uuid:b4c9c9dd-a24e-45fe-8618-2003a429f8a5
Source identifiers:
483869
Local pid:
pubs:483869

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