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??????? PD

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Title: Author: kazuya Last modified by: kazuya Created Date: 11/16/2003 11:11:19 AM Document presentation format: – PowerPoint PPT presentation

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Title: ??????? PD


1
???????
  • ???? ???????
  • ??????? PD
  • ?? ??

2
1.??????
  • ?????????
  • ?????? (WMAP, Planck, )
  • ?????????? (2dF, SDSS,)
  • ??? (LISA, LIGO,)
  • ????????
  • Big-Bang???(?????)
  • ??????????????????????
  • Cold Dark Matter (CDM) ????????

3
????? ? ?????????
  • ??????(CMB)
  • z(a0/a)1000????????????(???)?
    ??????????????(???)
  • ??????????????????????????????
  • ??T2.7K?????
  • ??????(CMB)
  • z(a0/a)1000????????????(???)?
    ??????????????(???)
  • ??????????????????????????????
  • ??T2.7K?????

4
  • ?????????
  • (Penzias and Wilson 1965)
  • ???Planck?? (T2.725)

  • ???????????

5
  • ??????????
  • ?????
  • ????????????????
  • ???(T0.1 MeV)
  • ??????
  • ???????????????????
  • ????????????(T0.2eV)
  • ?????????????????????

6
  • ????????
  • ??????????
  • 1992? COBE
  • 2003? WMAP
  • ?????????
  • ??????????
  • ????????????????????????
  • ?????????

7
  • ??????????????
  • ??????????????????????
  • WMAP??
  • ????????

8
  • WMAP
  • LCDM??????????????????

9
  • LCDM???
  • ??????
  • H725 km/s/Mpc (????? 137??)
  • ?????
  • ????4.70.6
  • ??????247 (???????)
  • ????????717 (?????)

10
  • ??22
  • ???????
  • ??????
  • ?????
  • ?????????????
  • ??????????
  • ?????
  • ???????????????(??????)????
  • ????????????

11
WMAP?????????
  • ?????
  • ??????????????????
  • ??????????????????
  • ??????????????????
  • ???????????????????
  • ?????????????

12
????????(??????)???(??? ???)????????????????? ????
13
  • ??????????????
  • ??????????????????
  • LCDM????????????????
  • ?????
  • ????????????????
  • ??????(???????????????)
  • ???????????????????
  • ?????

14
2.????????
  • ????????????
  • ????????????
  • ??? ?????
  • ????????????????

15
  • D-brane
  • ?????????
  • (mem)brane
  • ??????(bulk)???
  • Horava-Witten theory
  • 10?????????
  • E8E8
    Heterotic theory
  • 11??M???
  • 1????????

6D
6D
11????
16
  • ????????????????????????
  • ??????
  • ?????
  • ????????????????(???)
  • ??????????????

17
????? (1) ? ?????
  • ?????
  • ?????
  • Fundamental scale?TeV??????
  • ??????????
  • ??????????

18
Large extra dimensions
Arkani-Hamed et al 1998
??????????Fundamental Scale ?TeV????
n4d dimensions
brane
??????? Planck????
Bulk
19
  • ?????????????
  • ???????????
  • ???????? 1mm?????????????

20
  • ?????????
  • ?????BH??
  • ???
  • ???TeV???????
  • (Kalzua-Klein??????????)
  • ??????????

21
Warped compactification
Randall,Sundrum 1999
Randall-Sundrum I ??? Visble????????????
Hidden brane
Visible brane
anti-deSitter Bulk
anti-de Sitter????
y
Minkowski metric
-d
0
22
  • ???????????????
  • ???????????????
  • ????????(radion)???????
  • ???????
  • ??????????Einstein?????
  • (??????????Brans-Dicke??
  • -???????????????)
  • ????????????
  • ??????????????????
  • ???????????????

23
????? (2) ? ???????
  • ???????????
  • ????????????
  • ?????????????????????
  • ???????????
  • ?????????????
  • ???????????4????????????
  • Warped compactification

24
Randall-Sundrum model II
Randall,Sundrum 1999
??????? ???????????? ?????????????? ?????? ?????
??????
anti-deSitter bulk
y
brane
25
  • 5??????????
  • ???bound state(4????) ???????????
  • mgt0????(KK???) ???????????

?????????????????
26
?????????????????
  • ??????????????????
  • ?????????????????
  • ?????????????????
  • ???????????????????
  • ????????????

27
3. ??????? ?????????
  • ??????????????????
  • inflation???
  • dark energy?dark matter
  • ???????????????? ?
  • Inflation vs ekpyrotic/cyclic universe

28
Inflation vs ekpyrotic
  • ????????
  • ?????????
  • ????????????????
  • ???????????????????

?????
?????????? (??????????)
29
  • ???????????
  • ?????
  • ????????????
  • ??????????????????
  • ?????????????
  • ???????????
  • ???????????
  • ????????

30
  • ????????????????
  • ?????????(de Sitter??)
  • ???? ??????????
  • ???????????????????????
  • ???????????? ??????

????
??
31
  • ???????????
  • ????? ??????????????????
  • ???????????????(slow-roll)
  • ?????????????????????????
  • ???????????
  • ??????????????????????????

32
  • ???????????
  • ??????????????
  • ??????????????????????
  • ???
  • ???????????????
  • ??????????????????
  • ?????????????????????
  • ??????????
  • (cf. ???????????????????
  • ???WMAP??????????)

33
???????????
????????????
34
  • ??????????????
  • ????????????????
  • ????????????????????
  • ??????????
  • ????????????
  • ??????????
  • ??????
  • (??????????Eternal inflation)

35
  • Eternal inflation


?????
?????????????????? ?????????????????????
?????????
(???????????????????????????)
36
  • Fundamental theory?inflation
  • ?????????????????
  • de Sitter??-??????????
  • ?????
  • de Sitter?? ????????????
  • slow-roll????????
  • ???????
  • de Sitter vacuum ??????????
  • moduli (dilaton, ???????)????

37
  • D-brane????inflation
  • D-brane
  • ?????(??)
  • ?????D-brane?????
  • D-brane??????????
  • ?????????????
  • ???????Big-Bang??

D-brane
Anti D-brane
??????????? ?????????????????????
38
Ekpyorotic/Cyclic unniverse
Consensus (big bang inflation)
big bang
inflation
radiation
matter
dark energy ??
???
39
branes
V
??
Y
Y
????? ????????
Field-theory
M-theory
40
V
??
Y
Y
??????? ????????? ????????????? ?????????????d
ominate
Field-theory
41
V
Anti-damping
Y
???????!
42
THE BOUNCE

???????? ?????????
??????
Y
Big-Bang (Ekpyrosis)
43
Cyclic
bang
radiation
matter
Y
dark energy
contraction
crunch
44
  • ??????????
  • ?????????????????????????
  • ?????????????
  • ???????
  • ?????????
  • ????????????
  • bounce???????????
  • ?ambiguity???
  • (?????????????????)

??
????
????
45
  • Inflation vs ekpyrotic
  • Inflation
  • ????????Fine tuning???
  • ??????????(????????)????
  • ???????????????
  • Ekpyrotic/Cyclic
  • ????????inflation??????Fine tuning
  • ????????????????
  • ???????????????????????
  • ???????????????

46
  • ?????????????????
  • ??????4?????????????
  • ???????
  • ????4??????????????
  • (?????????????????)
  • ??????????????

47
4.????????????
  • ???????
  • ??????????????
  • Randall-Sundrum(RS)???
  • ?????????????
  • ??????????????????????
  • ????????
  • ???????
  • ???

AdS??
???????????RS??????
48
??????????
  • ???????
  • ??????????????????????
  • ??????BH
  • ?????????
  • ??????????
  • ????????
  • Black string
  • Schwarzshild BH??

49
  • ??black string
  • ????Gregory-Laframme instability
  • Warped compactification
  • Black string???
  • ??????Schwarzshild BH

50
  • ???????
  • Balck string??????????
  • ?????????BH????
  • ??????Schwarzshild BH
  • ?????!

51
  • ???
  • 0????????????
  • ?????????????

Friedmann???
??
???
??????
???4???????
52
  • ???????????????

???????????? ????????????
???????
BH?????????
????
53
  • ???????
  • ?4?????????BH??Schwarzshild BH???
  • ???????????
  • ???????AdS-Schwarzshild??
  • ??????????
  • ???????
  • ???? - ?????????????
  • ????????????????????
  • ?????????BH??????????????

54
  • ???(??????)
  • ???????????????????
  • ???????????????????
  • ???????????

55
  • ???????
  • ????????(????)
  • ??????????????????
  • (Kaluza-Klein modes)
  • ????????
  • (????????)
  • ????BH???
  • ????????

56
  • RS???????? 70???????
  • ???????????????
  • ?????
  • 5???????????????
  • ?????????????????????
  • ??????????

H. Hiramatsu, K.Koyama and A. Taruya, Phys.
Lett. B in press ( hep-th/0308072)
K.Koyama Phys. Rev. Lett. in press
(astro-ph/0303108)
57
  • ?????

adv LIGO
58
  • ?????? (4????)
  • ??????????????
  • ????? ?????
  • ????? ???????????????

59
???????
0-mode
CMB
60
???????
Time evolution on the brane
61
  • ???????????
  • ??????????????
  • ????? - ????????????
  • ??????(????????)

62
  • ??????

???????? ??? AdS-Schwarzshild
?????????? ???????? ?????????? ???????????
63
  • ?????????????????
  • ?????????????
  • (?)??????????????????
  • ???????????????????
  • ?????????

64
  • ????????
  • ?????????BH????
  • ??????????????????????????

65
  • WMAP???????
  • ??????????????????????
  • ???BH????????????????????
  • ?????

???????????
????BH??
????BH??
66
  • ?????????????????????????????????????
  • ???????????????????????????????????
  • ?????4????????????????????????????????????

67
5. ???
  • ?????????
  • ??????????????????
  • ????????
  • ??????????????
  • ?????????????????
  • ????

68
  • ???????
  • ?????????????????
  • ?????????????????
  • ??????????????
  • ????????????????
  • ??????????????
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