Marco Baldi

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Results (I): halo mass function and cluster counts Number counts in coupled dark energy models: CONSTANT and VARIABLE couplings [MB & V. Pettorino, 1006.3761] The recent detection [Jee et al (2009)] of a massive custer at z~1.4 might be a challenge for the standard model: the probability of such an object in ΛCDM has been estimated to be ~0.005. N(>M) (h -1 Mpc) -3 N/N CDM 10 -3 10 -4 10 -5 10 -6 10 -7 10.0 1.0 0.1 10 12 Tuesday, July 6, 2010 N=256 3 L=320Mpc/h DM only M max=3.05E+15 M max=1.46E+15 M max=9.56E+14 z = 0.0 10 13 10 14 MFoF [h -1 M O• ] = 0.25 = 0.5 e 2 CDM 10 15 10 16 Maybe non gaussianity? [Jimenez&Verde (2009)] NEED A LARGE fNL (~300) Marco Baldi - MGADS, Strasbourg 16 VI 2010 INTERACTING DE: The extra force acting between CDM particles and the extra friction term determine a faster growth of density perturbations. The number density of halos above a given mass M at any redshift z is correspondingly enhanced.
Results (II): bias The fifth-force determines an “effective” violation of the Weak Equivalence Principle for CONSTANT and VARIABLE couplings Tuesday, July 6, 2010 Marco Baldi - MGADS, Strasbourg 16 VI 2010 N=2x512 3 , L=80Mpc/h, Hydro
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Tuesday, July 6, 2010 Marco Baldi E
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The beginning of the story: evidenc
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The beginning of the story: evidenc
Page 7 and 8: Tuesday, July 6, 2010 Standard mode
Page 9 and 10: Standard model and non-standard mod
Page 19 and 20: Why bothering with non-standard mod
Page 25 and 26: Dynamic and interacting Dynamic DE:
Page 35 and 36: Tuesday, July 6, 2010 Time dependen
Page 37 and 38: Time dependent couplings [MB 1005.2
Page 43 and 44: Features of interacting dark energy
Page 45 and 46: m c 1.4 1.3 1.2 1.1 1.0 Features of
Page 56 and 57: Tuesday, July 6, 2010 How to implem
Page 62 and 63: Results (II): bias The fifth-force
Page 64 and 65: The fifth-force determines an “ef
Page 66 and 67: Results (III): baryon fraction The
Page 68 and 69: The first hydrodynamical high-resol
Page 70 and 71: Resuts (IV): halo density profiles
Page 72 and 73: The first hydrodynamical high-resol
Page 74 and 75: Resuts (IV): halo density profiles
Page 76 and 77: Some first results (IV) The first h
Page 78 and 79: Some first results (IV) The first h
Page 80 and 81: Maccio’ et al 2004 Constant β Tu
Page 82 and 83: Maccio’ et al 2004 Constant β MB
Page 84 and 85: Tuesday, July 6, 2010 concluding...
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Marco Baldi

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