The Accelerating Universe, Inflation, & Dark Energy

12/7/01

Click here to start

Table of Contents

The Accelerating Universe,Inflation, & the Dark Energy

PPT Slide

PPT Slide

PPT Slide

PPT Slide

PPT Slide

PPT Slide

PPT Slide

PPT Slide

puzzle 1

puzzle 2

puzzle 3

? ? 0

= Gravitational field theory


Einstein’s eqn Gmn = (- 8pGN/c4) Tmn
the relativistic generalization of Newton/Poisson eqn ??? = 4p GNr

Einstein eq derived

PPT Slide

Time evolution of the universe

PPT Slide

PPT Slide

Inflation: a theory of the big bang

Inflation: a theory of the big bang

CMB pic

Mass density of the Universe

pause

CC intro 1

CC intro 1

For easier physical interpretation of L

neg pressure

repulsive force

biggest blunder

George Gamow (1904-1968) in "My World Line" p.44

~ a constant energy density, a negative pressure, and a repulsive gravitational force that increases with distance

One of Einstein’s great achievements

L ? 0 just the key to solve the cosmic puzzles

L ? 0 just the key to solve the cosmic puzzles

L ? 0 just the key to solve the cosmic puzzles

Time evolution of the universe

diff Hubble diagram

More on the Hubble diagram

Supernova Hubble Diagram

More on the Hubble diagram

Supernova Hubble Diagram

SNe Hubble 98

differential SNe Hubble 98

PPT Slide


Exists a mundane explanation?
… the artifact of mundane origin ? an apparent cosmic acceleration

Adam Riess et al. (April 2001 )

Detection of a SN-Ia at ultra-high z = 1.7 in the decelerating epoch

SN1997ff

Omega plot

Related items

PPT Slide

Author: Ta-Pei Cheng

Email: tpcheng@umsl.edu