Marco Baldi
Marco Baldi
Marco Baldi
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Some first results (IV)<br />
The first hydrodynamical high-resolution N-body simulations for a weak<br />
DE-CDM CONSTANT interaction: [<strong>Baldi</strong> et al., MNRAS 2010]<br />
c mean<br />
7<br />
6<br />
5<br />
4<br />
3<br />
2<br />
Tuesday, July 6, 2010<br />
10 13<br />
M200 [h -1 M O•<br />
]<br />
!CDM<br />
RP1<br />
RP2<br />
RP5<br />
RP5 NO GF<br />
10 14<br />
N=2x512 3<br />
L=80Mpc/h<br />
Hydro<br />
<strong>Marco</strong> <strong>Baldi</strong> - MGADS, Strasbourg 16 VI 2010<br />
CONCENTRATIONS<br />
Consistently with the results on<br />
density profiles, the<br />
concentrations of halos are found<br />
to be lower in coupled<br />
cosmologies with constant<br />
couplings than in ΛCMD.<br />
This confirms the picture: mass is<br />
moving outwards from the<br />
innermost regions of halos due to<br />
the extra physics coming from the<br />
DE-CDM interaction.<br />
Possible observational effects for<br />
strong lensing and galactic dynamics.
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