Ofer Lahav
Ofer Lahav Ofer Lahav
Brief History of ‘Hot Dark Matter’ * 1970s : Top-down scenario with massive neutrinos (HDM) – Zeldovich Pancakes * 1980s: HDM - Problems with structure formation * 1990s: Mixed CDM (80%) + HDM (20% ) * 2000s: Baryons (4%) + CDM (26%) +Lambda (70%): But now we know HDM exists! How much?
0.01 0.00 Weighing Neutrinos with Ω ν = 0.05 Elgaroy , Lahav & 2dFGRS team, astro-ph/0204152 , PRL 2dFGRS Free streaming effect: Ω ν /Ω m < 0.13 Total ν mass M< 1.8 eV 0.001 < Ω ν < 0.04 (Oscillations) (2dF) a Four-Component Universe ?
- Page 1 and 2: Large Scale Structure at Low Redshi
- Page 3 and 4: LSS at low z • 2MRS/6dF The LG di
- Page 6 and 7: 2MASS Galactic chart F
- Page 8 and 9: 2MASS and follow-ups • 2MASS: 1.5
- Page 10 and 11: Dipole - weighting schemes by Numbe
- Page 12 and 13: Kocevski, Mullis & Ebeling, astro-p
- Page 14 and 15: The expected rms bulk motion h V 2
- Page 16 and 17: The revival of peculiar velocities
- Page 18 and 19: 7 Abell clusters 77 groups (>8) 20
- Page 20 and 21: From 2dF+CMB (6 parameter fit): Col
- Page 24 and 25: Data 2dFGRS Neutrino mass from Cosm
- Page 26 and 27: The halo model - the ‘new biasing
- Page 28 and 29: Correlation Function per Type dP /
- Page 30 and 31: Imaging CFHTLS Supernovae SDSS Spec
- Page 32 and 33: Input: magnitudes ANNz Collister &
- Page 34 and 35: DES + VISTA griz+YJHKs filters 10σ
- Page 36: Conclusions - in the Trio’s own w
Brief History of<br />
‘Hot Dark Matter’<br />
* 1970s : Top-down scenario with massive neutrinos (HDM) –<br />
Zeldovich Pancakes<br />
* 1980s: HDM - Problems with structure formation<br />
* 1990s: Mixed CDM (80%) + HDM (20% )<br />
* 2000s: Baryons (4%) + CDM (26%) +Lambda (70%):<br />
But now we know HDM exists!<br />
How much?
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