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1 Jeans CMB nebula) (Frederick William Herschel, ) (galaxy) (Edwin Powell Hubble, ) 1924 [28] 1.1 (H. Leavitt) 1916

2 2: [12] 1: SDSS [SDSS homepage] 1910 (V.M. Slipher) v (M. Humanson 24 (1929 [12] 2): v = H 0 d. (1) H 0 2Mpc 100 3: 3 (66% H 0 =74.2 ± 3.6km/s/Mpc (2) [23] 1929 H 0 1/H 0 2

3 Cepheid Tully-Fisher SNIa 0 100pc 100pc 10kpc 100pc 50kpc 10kpc 25Mpc 10Mpc 200Mpc 60Mpc 4000Mpc 1: (Baade) [2] δ-cephei ( I) RR Lyrae ( II) 1.1 Hubble v = H 0 d a (cosmic distance ladder) ( 1) 1,000km/s 15Mpc 4: CfA [Huchra homepage] 100Mpc H 0 H 0 10% H 0 = 100hkm/s/Mpc = 70h 70 km/s/mpc (3) h h 70 v d = v 100km/s h 1 Mpc = v 70km/s h 1 70 Mpc (4) h 70 (2) v z = λ λ = Δλ (5) λ λ λ λ z >0 c v z = v/c 3

4 CfA CfA % 18,000 SSRS -1998? 13% 5,400 LCRS % 26,000 2dFGRS % 220,000 6dFGRS ,000 SDSSI % 657,000 SDSSII % 790,000 2: 6: 2dFRS( SDSS( ) [2dF- GRS homepage] 5: 7: 2dF [2dFGRS homepage] CfA John Huchra) (Marc Davis) (Margaret Geller) 4 2 SDSS(Sloan Digital Sky Survey) 80 CfA z<0.05 v <15, 000km/s) 5 5 CfA z < 0.25 d < 1, 000h 1 70 Mpc) 1.3 Hubble 1.3 CfA 2dFGRS 22h 1 70 Mpc [11] 40Mpc) 4 10h 1 Mpc 4

5 8: [Chadra homepage] 100h 1 Mpc CfA (Great Wall) [21] SSRS Southern Wall) [7] Mpc M (M31) Mpc 1,500km/s R M v 2 GM R ( )( ) R M v M 3Mpc 1, 500km/s N M M [14] R <3Mpc - M/L B 6.43(M/L B ) 2% M X 13% M 15% 85% (F. Zwicky) 70 (1933) [26, 30] 1.4 5

6 9: Hickson [Gemini Obs. homepage] 9 10 (E (S (Irr v r M v 2 r = f GM r 2 GM = f 1 rv 2. (6) f v M r r M 1/r 1/2 11: [27] 8kpc 65kpc SDSS 11 [27] 15kpc M 1/4 21cm [5] 12 [26, 30] 10: 1 [16, 17, 18, 4, 25, 24] a 0 a 0 6

7 t 0 t 0 O P t t 13: 12: [25] 1.4 V j 0 =(1.7 ± 0.6) 10 8 hl Mpc 3 (7) M/L M/L 10h(M/L) M = g) 2 100h 1 Mpc 100h 1 Mpc ( 1.1 ) 2.1 O O 13 t t = T (t)(t (t) Σ(t) t t 7

8 k ds 2 = dr2 1 kr 2 + r2 (dθ 2 +sin 2 θdφ 2 ) (8) [31] 4πr 2 r k =0 r (k >0) (k <0) ±(X 0 ) 2 +(X 1 ) 2 +(X 2 ) 2 +(X 3 ) 2 = ±R 2 (9) k R k = ±1/R 2 (r, θ, φ) (X 1,X 2,X 3 )=r(cos φ sin θ, sin φ sin θ, cos θ) (10) ds 2 = ±(dx 0 ) 2 +(dx 1 ) 2 +(dx 2 ) 2 +(dx 3 ) 2 (11) (8) r x, k =0 r = Rf(χ/R); f(x) = sin x, k =1/R 2 > 0 sinh x, k = 1/R 2 < 0 (12) χ ds 2 = dσk 2 dχ2 + R 2 f(χ/r) 2 (dθ 2 +sin 2 θdφ 2 ) (13) Σ(t) t t = t 0 K a(t) t a(t) 2 dσk 2 Σ(t) t ds 2 = c 2 dt 2 + a(t) 2 dσ 2 K (14) (c dt 2 g tt = c 2 g ti =0(x i ) g ti - (Robertson-Walker metric) a(t) (comoving coordinates) t = t 0 a(t 0 )= (9) (R, 0, 0, 0) χ D(χ) V (χ) S(χ) 2.2 (χ, θ, φ) O:χ =0 P t d(t) =a(t)χ (15) O P v(t) v(t) = d(t) = ȧ(t)χ = H(t)d(t) (16) H(t) := ȧ(t) a(t) (17) 8

9 t t = t 0 v = H 0 d, H 0 = ȧ(t 0) a(t 0 ) (18) H 0 P O O (θ, φ) ds 2 =0 cdt = ±adχ. (19) t t 0 χ = t0 t cdt a(t ) (20) dt dt 0 dt a(t) = dt 0 a(t 0 ) (21) T λct λ λ λ = a(t 0) a(t) λ (22) a(t) <a(t 0 ) 5 z z = a(t 0) a(t) 1 (23) z t a(t 0 )=1 (20) z cdz χ = (24) H 0 H H(t) z z 1 z cz = H 0 χ (25) d = χ (z 1) χ = c(t 0 t) χ z H z H 2.3 (Einstein) G μν R μν 1 2 Rg μν = 8πG c 4 T μν (26) 9

10 g μν (14) { (ȧ ) } 2 G tt =3 + K a a 2, (27a) [ (ȧ ) ] 2 G i j = 2ä a + + K a a 2 δj i (27b) ρ(t), P (t) T 00 = ρ(t), T i j = P (t)δ i j (28) T μν ρ P (ȧ ) 2 = 8πG a 3c 2 ρ c2 K a 2, (29a) ä a = 4πG c 2 (ρ +3P ). (29b) ν T ν μ = 0 (30) μ =0 ρ = 3(ρ + P )ȧ a (31) V (t) E(t) S(t) Q(t) T Ṡ Q = Ė + P V = 0 (32) T Ṡ = Q (Bianchi) (29a) (29b) (29a) (31) (29b) 2.2 R M t dr/dt R(t) 2.4 (29a) (31) a(t) ρ(t) a(t) ρ(t) a(t) a(t 0 )=1 ρ(t) ρ 0 = ρ(t 0 ) ρ 0 H 0 Ω M = 8πG 3c 2 H0 2 ρ 0 (33) Ω M Ω K = c2 K H 2 0 (34) 10

11 Ω M +Ω K = 1 (35) K >0 Ω M > 1 (Friedmann) (P =0) (31) ρ = ρ 0 /a 3 1 H 2 0 ( ) da 2 = Ω M dt a +Ω K (36) K =0 a(t) =(t/t 0 ) 2/3, t 0 = 2 3H 0 (37) (Einstein-de Sitter) K 0 K <0 Ω K =1 Ω M > 0 a = H 0 t = Ω M sinh 2 θ 1 Ω M 2, Ω M (sinh θ θ) (38) 2(1 Ω M ) 3/2 t 0 a =1 θ 1 Ω M 1+ 1 ΩM H 0 t 0 = ln. 1 Ω M (1 Ω M ) 1/2 ΩM (39) 2 Ω M =0, Ω K =1 Minkowski Minkowski Milne 2 a = Ω M θ Ω M 1 sin2 2, Ω M H 0 t = (θ sin θ), (40) 2(Ω M 1) 3/2 { } 1 Ω M tan 1 (Ω M 1) 1/2 H 0 t 0 = Ω M 1 (Ω M 1) 1/2 1. (41) 14 t =0 a =0 t = t 0 l H (t) 2 1 K 0 t m = πω M (1 Ω M ) 3/2 1 H 0 (42) t =2t m (P = ρ/3) P = ρ/3 ρ = ρ 0 a 4 (43) 11

12 ds(k>0) ds(k=0) a inflation ds(k<0) AdS F(K<0) F(K>0) F(K=0) 14: a 2 ȧ 2 = 8πGρ 0 3c 2 (44) ( ) t 1/2 a = ; t 0 = t 0 (de Sitter) 3c 4 2πGρ 0 (45) P = ρ ρ ρ = P = c4 8πG Λ (46) G μν +Λg μν = 8πG c 4 T μν (47) T μν Λ ȧ 2 = c2 Λ 3 a2 c 2 K (48) H = c Λ /3 (49) Λ > 0 a 0 e H t ; K =0, a = 3K/Λcosh(H t) ;K>0, 3 K /Λsinh(H t) ;K<0 (50) t 14 ds t K =0 t K >0 K =0 K <0 (48) K< 0 a = 3 K / Λ sin(h t) (51) c/h 0 Hubble c/h 0 aχ L d F F = L/(4πd 2 ) 12

13 d 2 L = L (52) 4πF (13) χ dt de de = ω dn dn ω ω 0 = ω/(1+z) z de 0 = de/(1+z) dt 0 =(1+z)dt (12) f(x) 4πR 2 f(χ/r) 2 L F = 4πR 2 f(χ/r) 2 (1 + z) 2 d L =(1+z)Rf(χ/R) (53) χ z (24) H a z d L z H 2 H 2 0 = Ω M a 3 +Ω K a 2 +Ω Λ =Ω M (1+z) 3 +Ω K (1+z) 2 +Ω Λ (54) Ω Λ Ω M +Ω K +Ω Λ = z Einstein-De Sitter : (Ω M, Ω K, Ω Λ )=(1, 0, 0), De Sitter (Ω M, Ω K, Ω Λ )=(0, 0, 1), Milne (Ω M, Ω K, Ω Λ )=(0, 1, 0). 15: HST Ia 2.5 Einstein-de Sitter 2 z = z L F L Ia 15 Hubble Ia [22] d L 5log 10 (d L /10pc) 13

14 Ω Λ No Big Bang BAO SNLS 1st Year Closed Flat Open Ω M Accelerating Decelerating 16: Einstein-de Sitter (Ω M =1, Ω K = Ω Λ =0) Milne (Ω M =Ω Λ =0, Ω K =1) Ω M =0.29, Ω K =0, Ω Λ =0.71 (55) (29b) 2.6 ) 16 99% Ω Λ > 0 [8] 2.6 (d 2 a/dt 2 ) (Ω M, Ω K, Ω Λ )=(0.26, 0, 0.74) Z X =0.74 Y =0.25 Z =0.013 [10, 1] I I I II I 1/10 1/1000 [29, 5] III Y p Y p = (56) [20] 10 (BBN) George Gamov) WMAP CMB 14

15 h 2 Ω IR/opt/UV (60) CMB 1/50 X h 2 Ω X (61) 17: CMB T =2.728K Planck [13] h 2 Ω b = (57) (Cosmic Microwave Background) 2.7K G. Gamov 1965 A.A. Penzias R.W. Wilson J.C. Mather COBE FIRAS T CMB =2.728 ± 0.004K (58) Planck 17 [9] 2006 CMB h 2 Ω CMB = (T/2.73K) 4 (59) CMB ( 1.87mm 160GHz) 1 M/L j 0 M/L (M/L) clusters = (295 ± 53)h(M/L) (62) Ω =1 M/L (M/L) cr = (1025 ± 140)h Ω M =0.24 ± 0.14 (63) [6] M/L [3] Ω M = (64) 10% CMBIa 15

16 2.6.2 CMB CMB 18: WMAP 5 h 2 Ω CDM = ± (65) [13] 2.5 Ia P < ρ/3 Ω DE =0.726 ± (66) Planck (G =1,c =1, =1) (t pl =(G /c 5 ) 1/2 = s, 1yr= s) s CMB = 4 ( ) kb T 3 ( ) 3 TCMB = 150 cm 3 45 c 2.73K (67) ( n b = Ωb h 2 ) cm 3 (68) CMB s CMB /n b (69) (s/n)star 30 (70) CMB 1/10 5 CMB a 3 s CMB const T 1/a (71) 1 ω ω ω 1/a H 16

17 10 20 GeV GeV GeV GeV 10 8 GeV 100TeV 100GeV 100MeV 100keV 100eV 0.1eV 10-4 ev T rh? reheating T PQ Peccei-Quinn symetry breaking T WS Electroweak phase transition T QH Quark-Hadron transition T Neutrino decoupling T BBN BBN T eq Trec Tdec H Rec T 0 =2.734 K [s] x10 4 3x10 10 [yr] 19: e + + e 2γ u +ū, 100GeV 3 ( 3 6 (u,d,c,s,t,b) Λ 100MeV s/n b (69) 1MeV 0.5MeV 10 (BBN) BBN 7000K T rec 3800K T dec 3000K CMB 19 [29] 2.8 CMB (59) z 2.9 t l H 1/H Jeans L 17

18 μ dv = P μ φ (72) dt GμM/L 2 Gμ 2 L P/L c 2 sμ/l Gμ 2 L c2 s μ (73) L c s L J = (Gμ) 1/2 (74) Jeans L<L J L J L >L J μ μ L J Jeans δμ Gδμμ/L 2, c 2 sδμ/l δμ Jeans L J L J L J Jeans L <L J 3.1 (r) (b) P b /P r Ω CMB = ,Ω b =0.046, k B T CMB = ev, m p = 940MeV/c ρ P c s = c( P/ ρ) 1/ : CMB Jeans t rec c s c/ 3 Jeans χ J := a 1 L J c s ah 2ct 3a (75) χ J Hubble c/(ah) c 2 P s = ρ = 1 3 4ρ r (76) 4ρ r + ρ b Jeans T rec Jeans P g = n b k B T P g /P r n b /s 10 9 Jeans 4/

19 k/a d 2 X da 2 + k2 c 2 ( ) r H 1/2 a 4 H 2 X 0; X = a 3 ρ r Δ r 1+w r (77) Δ r δρ r /ρ r WKB Δ r = A ( ) 1/2 ( ) 1+wr kc r a 2 sin c r ρ r 0 a 2 H da (78) 21: SDSS Jeans χ Jm 1/(aH) dec χ Jm Jeans χ Jm χ J c/(ah) λ/a CMB 20 (Baryon Acaustic Oscillation) BAO SDSS 21[8]) 2 ξ(s) s s 100h 1 Mpc BAO t = t dec Δ r 2 A 2 ( ) (k) k ( a) 2 sin2 γ (79) (ah) dec γ = 1 0 ( ) 2 1/2 dx 0.5 (80) (1 + x)(4 + 3x) Δ r (t dec ) 2 k n = π (2n 1) (2n 1)π (81) (ah) dec 2γ (ah) dec CMB t = t dec t = t dec r plc (t dec ) χ plc (t dec ) χ plc = t0 t dt ( a =3t 0 1 a 1/2) (82) χ plc (t dec ) 3t 0 = l H (t 0 ), r plc (t dec )=3t 0 a(t dec ) r plc (t dec ) l H (t dec ) (83a) (83b) r plc (t dec ) l H (t dec ) t 0a dec = z 1/2 t dec 33. (84) dec (ah) dec /(ah) 0 c (ah) dec c 33H 0 100h 1 Mpc (85) 19

20 22: WMAP CMB (79) Δ r 2 k (ah/c) dec Δ r 2 Fourier ξ(s) s c/(ah) dec 1 [15] 21 BAO 3.3 CMB CMB Δ r =4δT/T CMB CMB t dec 2.723K 10 5 G.F.Smoot COBE DMR 2006 Boomerang MAXIMA-1 WMAP 22 WMAP 23 [19] ξ(s) 23: WMAP CMB Yl m (s) 2 l LFRW CMB t = t dec 2πr plc (t dec ) t = t dec 2l H (t dec ) 2πr plc (t dec ) (86) 1Doppler peak l l = k 1 r plc (t dec )= = 200γ π 200 k 1 2r plc (t dec ) (ah) dec l H (t dec ) 23 Ω K Ω K < 0.1 (87) [13]2 SNIa BAO 20

21 Ω Λ Cluster fgas SNIa CMB Ω m 24: WMAP, BAO X 24)(57), (65), (66) CMB 4.1 c Planck, Newton G Planck :L pl (Planck t pl (Planck :E pl ) CMB Planck t = t pl s Planck c, G, k pl Planck L pl cm k pl 1/L 2 pl H 2 = 8πG 3c 2 ρ c2 K a 2 (88) Ω K ( ) Ω K ρk (89) ρ m Planck Ω K < 0.1 Planck t = t pl ) Planck > L pl. (90) 1/a CMB l H (t dec ) 33 ((84) Planck t = t pl L pl

22 Planck Planck L pl Planck L L pl L pl ɛ L δφ N =(L/L pl ) 3 δφ ɛ N(L/L pl ) 1 = ɛ(l/l pl ) 1/2 (91) l H (t dec ) l H (t pl ) a(t pl) a(t dec ) t dec t pl T dec T pl ( tdec t eq ) 1/3 ( teq t pl ) 1/2 t = t dec δφ ɛ < 10 5 ɛ < (92) (91) L 2 δρ ρ L1/2 (93) CMB Harrison-Zeldovich t = t s t = t e H ȧ a = H a = a se H(t ts) (94) 25: Hubble c/h t = t e Hubble 25 t s <t<t e Hubble Hubble Λ H (Λ/3) 1/2 de Sitter 22

23 ( 26) V (φ) 1 φ P = 1 2 φ 2 V (φ), ρ = 1 2 φ 2 + V (φ) (95) φ 0 P ρ V (φ) (96) φ φ H Hubble d a dt (1/H) = d(ah) =ä>0 (97) dt d K/a 2 dt H 2 = 2K ä ȧ 2 < 0 (98) ä>0 4.3 H t = t e LFRW LFRW T r GeV H 0.165g(T r /E pl ) 4 E pl /L 3 pl (g = 100) 26: 4.4 L t = t e Hubble c/h 4.5 c/h Δt HΔt 4.6 HΔt Hubble Hubble 23

24 Harrison-Zeldvich CMB B- E- CMB B- B δg L h = κ 1 δg h =1/L Hubble [1] Asplund, M., Grevesse, N., Sauval, A., Allende Prieto, C. and Kiselman, D.: Astron. Astrophys. 417, (2004). [2] Baade, W.: Astrophys. J. 100, 137 (1944). [3] Bahcall, N. and Fan, X.: Astrophys. J. 504, 1 (1998). [4] Bekenstein, J. and Milgrom, M.: Astrophys. J. 286, 7 14 (1984). [5] Binney, J. and Merrifield, M.: Galactic Astronomy, Princeton Univ. Press (1998). [6] Carlberg, R., et al.: Astrophys. J. 462, 32 (1996). [7] Da Costa, L. N., et al.: Astrophys. J. 424, L1 (1994). [8] (D.J. Eisenstein et al), S. C.: Astrophys. J. 633, (2005). 24

25 [9] Fixsen, D., et al.: Astrophys. J. 473, 576 (1996). [10] Grevesse, N. and Sauval, A.: Adv. Space Res. 30, 3 11 (2002). [11] Hoyle, F. and Vogeley, M.: Astrophys. J. 607, (2004). [12] Hubble, E.: Proc.Nat.Acad.Sc.(USA)15, (1929). [28] I, (2007). [29], (1991). [30], (1992). [31], (1997). [13] Komatsu, E., et al.: Ap. J. Supple. 180, (2009). [14] Lokas, E. and Mamon, G.: Mon. Not. R. Astr. Soc. 343, (2003). [15] Matsubara, T.: Astrophys. J. 615, (2004). [16] Milgrom, M.: Astrophys. J. 270, 365 (1983). [17] Milgrom, M.: Astrophys. J. 270, 371 (1983). [18] Milgrom, M.: Astrophys. J. 270, 384 (1983). [19] Nolta, M., et al.: Ap. J. Suppl. 180, (2009). [20] Porter, R., Ferland, G., MacAdam, K. and Storey, P.: arxiv: (2008). [21] Ramella, M., Geller, M. and Huchra, J.: Astrophys. J. 384, (1992). [22] Riess, A., et al.: Astrophys. J. 659, (2007). [23] Riess, A., et al.: Astrophys. J. 699, (2009). [24] Sanders, R.: arxiv: (2008). [25] Sanders, R. and McGaugh, S.: Ann. Rev. Astron. Astrophys. 40, 263 (2002). [26] Trimble, V.: Ann. Rev. Astron. Astrophys. 25, (1987). [27] Xue, X.-X., et al.: Astrophys. J. 684, (2008). 25

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