Julien LESGOURGUES (.pdf)

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st yr) yr various complementary approaches: Post-WMAP Post WMAP (1 st ) bounds 1) all 4 modes together : « how far away from ΛCDM can we go, disregarding the level of realism of the model ? Bucher et al. 03; Moodley et al. 04; 2) one isocurvature + adiabatic : « what are the specific bounds for a next-tominimal set of initial conditions ?» Peiris et al. 03; Valiviita & Muhonen 03; Crotty et al. 03; Moodley et al. 04; Beltran et al. 04; 3) more specific studies assuming a precise model :
Post-WMAP Post WMAP (1 st st yr yr) ) bounds 1) all 4 modes together : Bucher et al. 03; Moodley et al. 04; ⇒ start from 4x4 matrix of arbitrarily correlated modes ⇒ restricted to n ad =n iso , n cor =0 (theoretically, motivated only within curvaton scenario for which there is full correlation) ⇒ no statistically significant departure from adiabatic: AD+CDI+NID : ∆χ 2 =-1 for 5 extra parameters AD+CDI+NIV : ∆χ 2 =-1 for 5 ‘’ ‘’
Page 1 and 2: Isocurvature Modes after WMAP WMAP-
Page 3 and 4: What are they? they various perfect
Page 5 and 6: general case: What are they? they
Page 7 and 8: What are they? they ⇒ set of init
Page 9 and 10: How can they be generated ? Isocurv
Page 11 and 12: How can they be generated ? 1) Topo
Page 13 and 14: 1) adiabatic versus CDI : Sachs-Wol
Page 15 and 16: How do they affect CMB and LSS? 1)
Page 17 and 18: How do they affect CMB and 2) adiab
Page 23: How do they affect CMB and LSS? 4)
Page 27 and 28: Post-WMAP Post WMAP (1 st st yr yr)
Page 29 and 30: Post-WMAP Post WMAP (1 st st yr 2)
Page 35 and 36: Post-WMAP Post WMAP (1 st st yr yr)
Page 37 and 38: Post-WMAP Post WMAP (1 st yr) bound
Page 39: Conclusions 1) NO EVIDENCE FOR ISOC

Julien LESGOURGUES (.pdf)

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