cosmic collisions: dark matter, dark energy & inflation

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Cosmic collisions: dark matter, dark energy & inflation Max Tegmark, Penn/MIT

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Cosmic collisions: dark matter, dark energy & inflation. Max Tegmark, Penn/MIT. 100dpi. Smorgasbord. Measuring clustering. exp 9911. CMB. 1992-94. 2004. February 11, 2003: Add WMAP results. 105dpi. CMB. Boom zoom. De Bernardis et al 2000, Lange et al 2000. CMB. Boom zoom. - PowerPoint PPT Presentation

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Page 1: Cosmic collisions:  dark matter, dark energy & inflation

Cosmic collisions: dark matter, dark energy & inflation

Max Tegmark, Penn/MITMax Tegmark, Penn/MIT

Page 2: Cosmic collisions:  dark matter, dark energy & inflation

100dpi

Page 3: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Smorgasbord

Page 4: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Measuringclustering

Page 5: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

exp9911

CMB 1992-94

2004

Page 6: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

105dpi

CMB

Page 7: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

De Bernardis et al 2000, Lange et al 2000

CMB

Page 8: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

Tegmark, Jr., 2001

CMB

Page 9: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

History

CMB

For

egro

und-

clea

ned

WM

AP

map

fro

m T

egm

ark,

de

Oli

veir

a-C

osta

& H

amil

ton,

ast

ro-p

h/03

0249

6

Page 10: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

CMB FRONTIERS:• Polarization• Small scales (AKBAR, CBI, Planck,

APEX, ACT, SPT, …)

Page 11: Cosmic collisions:  dark matter, dark energy & inflation

Atacama Cosmology Telescope (ACT):

150 GHz

SZ Simulation MBAC on ACT 1.7’ beam w/ 2X

noise

PLANCK

1.4°

= 145, 225 & 265 GHz.

Ground based experiment at Atacama desert, Chile.

Sensitivity/pixel ~ 2, 8 & 16mK (64 nights of quality data).

FWHM=1.7, 1.1 & 0.93’.

Scans only in azimuth with the ability to cross-link elevations.

More info at http://www.physics.upenn.edu/act

Team:

D. Benford, S. Boughn, J. Chervenak, A. de Oliveira-Costa, M. Devlin, R. Doriese, L. Ferrarese, J. Fowler, M. Halpern, D. Hughes, J. Hughes, K. Irwin, B. Jain, N. Jarosik, R. Jimenez, J. Klein, A. Kosowsky, R. Lupton, A. Miller, H.Moseley, B. Netterfield, L. Page (P.I.), B. Partridge, H. Quintana, A. Reiseneggar, U. Seljak, D. Spergel, M. Spergel, S. Staggs, C. Stahle, M. Tegmark, L. Verde, T. Williams, G. Wilson, E. Wollack.

Page 12: Cosmic collisions:  dark matter, dark energy & inflation

Atacama Cosmology Telescope (ACT):

150 GHz

SZ Simulation MBAC on ACT 1.7’ beam w/ 2X

noise

PLANCK

1.4°

Measure the primary anisotropy beyond the WMAP & Planck resolution limits.

Measure the amplitude of the CMB gravitational lensing, and therefore probe the mass power spectrum at 1Mpc scales at z~1-2.

Find galaxy clusters at z<1 through SZ effect.

Detect signature of reonization at z~15 through Vishniac effect.

Find all extragalactic mm-wave point sources in 100(o)2 to a sensitivity of 1mJy.

= 145, 225 & 265 GHz.

Ground based experiment at Atacama desert, Chile.

Sensitivity/pixel ~ 2, 8 & 16mK (64 nights of quality data).

FWHM=1.7, 1.1 & 0.93’.

Scans only in azimuth with the ability to cross-link elevations.

More info at http://www.physics.upenn.edu/act

Page 13: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

z = 1000

Page 14: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

Mat

his,

Lem

son,

Spr

inge

l, K

auff

man

n, W

hite

& D

ekel

200

1

z = 2.4

Page 15: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

Mat

his,

Lem

son,

Spr

inge

l, K

auff

man

n, W

hite

& D

ekel

200

1

z = 0.8

Page 16: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

Mat

his,

Lem

son,

Spr

inge

l, K

auff

man

n, W

hite

& D

ekel

200

1

z = 0

Page 17: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

000619

Galaxy power spectrum measurements 1999(Based on compilation by Michael Vogeley)

Page 18: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

1parmovies

LSS

Page 19: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

1parmovies

LSS

Clusters

Tegmark & Zaldarriaga, astro-ph/0207047 + updates

Page 20: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

1parmovies

LSS

ClustersCMB

Tegmark & Zaldarriaga, astro-ph/0207047 + updates

Page 21: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

1parmovies

Ly

LSS

Clusters

Tegmark & Zaldarriaga, astro-ph/0207047 + updates

CMB

Page 22: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

Lyman Alpha Forest Simulation: Cen et al 2001

You

Quasar

LyF

Page 23: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

1parmovies

Ly

LSS

Clusters

Tegmark & Zaldarriaga, astro-ph/0207047 + updates

CMB

Page 24: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

1parmovies

Ly

LSS

Clusters

Lensing

Tegmark & Zaldarriaga, astro-ph/0207047 + updates

CMB

Page 25: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

Lensing

Gravitational lensing

Page 26: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

Lensing

Page 27: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

Lensing

Page 28: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

Lensing

Page 29: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

Lensing

Page 30: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

distortion

Lensing

Page 31: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

1parmovies

Ly

LSS

Clusters

Lensing

Tegmark & Zaldarriaga, astro-ph/0207047 + updates

CMB

Page 32: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

000619

Galaxy power spectrum measurements 1999(Based on compilation by Michael Vogeley)

Page 33: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

1parmovies

Ly

LSS

Clusters

Lensing

Tegmark & Zaldarriaga, astro-ph/0207047 + updates

CMB

Page 34: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

Page 35: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

QuickTime™ and aAnimation decompressor

are needed to see this picture.

Mark Whittle 2004

Page 36: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

Page 37: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

LSS frontiers/SDSS

propaganda

Page 38: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

APO

SDSS

Page 39: Cosmic collisions:  dark matter, dark energy & inflation

100dpi

Page 40: Cosmic collisions:  dark matter, dark energy & inflation

Cmbgg OmOl

Page 41: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Page 42: Cosmic collisions:  dark matter, dark energy & inflation

100dpi

Page 43: Cosmic collisions:  dark matter, dark energy & inflation

100dpi

Page 44: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

LSS

Cool new/imminent LSS-measurements:

•P(k) from full 2dF data set (~250k gals)

•SDSS DR3 goes public this fall

•P(k) from SDSS DR3 (>300k gals)

•P(k) from SDSS LRG’s (Eisenstein et al)

•Angular galaxy clustering from SDSS

•Clustering dependence on SDSS galaxy properties (Zehavi et al)

•SDSS LyF analysis (McDonald et al, Seljak et al)

•See also Pope et al (2003), Budavari et (2004)

Page 45: Cosmic collisions:  dark matter, dark energy & inflation

Cmbgg OmOl

LSS

Data & image processing by Robert Lupton & David Schlegel

Page 46: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

LSS

Angular clustering

Page 47: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

LSS

Angular clustering

Page 48: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Tegmark et al 2002, for SDSS collab.Dodelson et al 2002, for SDSS collab.

This was from just 400 square degrees:

Now we have an order of magnitude more, and photometric redshifts.

Page 49: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

1parmovies

Ly

LSS

Clusters

Tegmark & Zaldarriaga, astro-ph/0207047 + updates

CMB

Page 50: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Measuringparameters

Page 51: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

CMB

Page 52: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

+CMB

LSS

Page 53: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

+CMB

LSS

Page 54: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Page 55: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

CMB

Page 56: Cosmic collisions:  dark matter, dark energy & inflation

Cmbgg OmOl

Page 57: Cosmic collisions:  dark matter, dark energy & inflation

Cmbgg OmOl

CMB

+

LSS

Page 58: Cosmic collisions:  dark matter, dark energy & inflation

Cmbgg OmOl

Page 59: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

What’s theMatter?

Page 60: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

How much dark matter is there?

Page 61: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

Page 62: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

CMB

How much dark matter is there?

Page 63: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

CMB

+

LSS

How much dark matter is there?

Page 64: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

• No direct detection

• No accelerator detection

• No bulge annihilation detection

• No astrophysically observed departures from vanilla CDM

DARK MATTER:

Page 65: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

DARK MATTER:

Redshift z0 1 2

Gro

wth

fac

tor

(obs

/the

o)

Page 66: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Darkenergy

Page 67: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

Page 68: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

How much dark energy is there?

flat

closedopen

Page 69: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

CMBflat

closedopen

How much dark energy is there?

Page 70: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

CMB

+

LSS

How much dark energy is there?

WMAP + SDSS: lots

flat

closedopen

Page 71: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

CMB

+

LSS

How much dark energy is there?

flat

closedopen

Page 72: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

CMB

+

LSS

How much dark energy is there?

flat

closedopen

Page 73: Cosmic collisions:  dark matter, dark energy & inflation

• Late Integrated Sachs-Wolfe effect detected by Boughn & Crittenden 2003, Nolta et al 2003, Fosalba et al 2003, Scranton et al 2003, Afshordi et al 2003, Padmanabhan et al in prep

• Illustration by Albert Stebbins

Page 74: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Equation of state?

Page 75: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

Nature of the dark energy

Page 76: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

CMB

Nature of the dark energy

Page 77: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

CMB

+

LSS

Nature of the dark energy

Page 78: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

CMB

+

LSS

Nature of the dark energy

Page 79: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

Fro

m S

aul P

erlm

utte

r’s

web

site

QuickTime™ and aYUV420 codec decompressor

are needed to see this picture.

Page 80: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

THE NATURE OF DARK ENERGY:

Den

sity

rel

ativ

e to

now

(Yun Wang & MT, astro-ph/0403292, PRL, in press)

Page 81: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

THE NATURE OF DARK ENERGY:

Den

sity

rel

ativ

e to

now

(Using SN Ia “gold” data from Riess et al 2004)

(Yun Wang & MT, astro-ph/0403292, PRL 2004)

Page 82: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

THE NATURE OF DARK ENERGY:

Den

sity

rel

ativ

e to

now

(Using SN Ia “gold” data from Riess et al 2004)

(Yun Wang & MT, astro-ph/0403292, PRL, in press)

Page 83: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

THE NATURE OF DARK ENERGY:

Den

sity

rel

ativ

e to

now

(Using SN Ia “gold” data from Riess et al 2004)

(Yun Wang & MT, astro-ph/0403292, PRL, in press)

Page 84: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

THE NATURE OF DARK ENERGY:

Den

sity

rel

ativ

e to

now

(Using SN Ia “gold” data from Riess et al 2004)

(Yun Wang & MT, astro-ph/0403292, PRL, in press)

Page 85: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

• w(z) =-1, w’=w’’=…=0

• No dark energy clustering

DARK ENERGY:

Redshift z0 1 2

Dar

k en

ergy

den

sity

Page 86: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Inflation

Page 87: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

Testing inflation I:

How flat is space?

Predictiontot=1.000000.00001

Observationtot=1.010.02 (WMAP+SDSS)

Page 88: Cosmic collisions:  dark matter, dark energy & inflation
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SN Ia+CMB+LSS constraints

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CMB polarization missions

Dark Energy missions

Page 98: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

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Cmbgg OmOl

Testing inflation II:

SDSS collaboration, astro-ph/0310723, PRD 68, 193591

Page 99: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

Testing inflation II:

SDSS collaboration, astro-ph/0310723, PRD 68, 193591

Page 100: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

CMB

Testing inflation II:

SDSS collaboration, astro-ph/0310723, PRD 68, 193591

Page 101: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

CMB

+

LSS

Testing inflation II:

Page 102: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

Planck + SDSS: n=0.008, r=0.012

ns=0.96

r=0.15

SDSS collaboration, astro-ph/0310723, PRD 68, 193591

+

LSS

Page 103: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Page 104: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

Planck + SDSS: n=0.008, r=0.012

ns=0.96

r=0.15

SDSS collaboration, astro-ph/0310723, PRD 68, 193591

+

LSS

Page 105: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

Planck + SDSS: n=0.008, r=0.012

ns=1

r=0

SDSS collaboration, astro-ph/0310723, PRD 68, 193591

Page 106: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Boomzoom

• n=1, dn/dlnk=d^2ndlnk = … = 0

•No gravity waves detected

INFLATION:

Wavenumber k [1/Mpc]

Prim

ordi

al p

ower

spe

ctru

m P

*(k)

/k

Page 107: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

Cmbgg OmOl

Page 108: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004

My wish list: get at the underlying physics by measuring four cosmologicalfunctions:

1) cosmic expansion history H(z) ==> Nature of dark energy 2) linear growth factor g(z,k) ==> Nature of dark energy, dark matter, neutrinos 3) primordial scalar power spectrum P*(k) ==> Inflation 4) primordial tensor power spectrum P*

T(k) ==> Inflation

Note that 1 predicts 4 and (for most inflation models) 3

Page 109: Cosmic collisions:  dark matter, dark energy & inflation

Max TegmarkUniv. of Pennsylvania/MIT

[email protected] in Collision

June 29, 2004