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Rigging dark haloes: why is hierarchical galaxy formation consistent with the inside-out build-up of thin discs?

Abstract:

State-of-the-art hydrodynamical simulations show that gas inflow through the virial sphere of dark matter haloes is focused (i.e. has a preferred inflow direction), consistent (i.e. its orientation is steady in time) and amplified (i.e. the amplitude of its advected specific angular momentum increases with time). We explain this to be a consequence of the dynamics of the cosmic web within the neighbourhood of the halo, which produces steady, angular momentum rich, filamentary inflow of cold g...

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Publication status:
Published

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Journal:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume:
418
Issue:
4
Pages:
2493-2507
Publication date:
2011-12-05
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:bd3c83fd-271c-4d5c-92c9-e9d40ed0fef8
Source identifiers:
221576
Local pid:
pubs:221576

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