Content
The "Introduction to cosmology" module contains a number of topics:
- 0. Introduction
- 1. Expanding Universe
- 2. Observing the Universe
- 3. Thermal history
- 4. Dark side
- 5. Early Universe
- G. Guest lectures
- R. Revision
The detailed contents are given below.
Week 1 is registration week. The first lecture will be on the Monday of week 2
0. Introduction (1 lecture)
Lecture |
Content |
Introduction |
Introduction to cosmology |
1. Expanding Universe (6 lectures)
Lecture |
Content |
Expanding 1 |
Introduction |
|
cosmological principle |
|
expansion of the Universe and Hubble`s law |
|
comoving coordinates |
|
expansion and redshift |
E2 |
Newtonian cosmology I |
|
Friedmann equation |
|
fluid equation |
E3 |
Newtonian cosmology II |
|
natural units |
|
acceleration equation |
|
what is the Universe made of? |
|
equation of state |
E4 |
Simple cosmological models |
|
matter domination |
|
radiation domination |
|
cosmological constant |
E5 |
Geometry of the Universe |
|
flat Universe |
|
spherical geometry |
|
hyperbolic geometry |
|
critical density |
|
conventions for k and a |
E6 |
Evolution including curvature |
|
late time behaviour |
|
matter domination with non-zero curvature |
|
general solutions |
2. Observing the Universe (3 lectures + problem session)
Lecture |
Content |
Observing 1 |
Expansion rate and age of Universe |
|
present day expansion rate |
|
rough estimate of age |
|
observational limits on age |
|
accurate calculation of age |
O2 |
Light travel and horizons |
|
Robertson-Walker metric |
|
redshift revisited |
|
cosmological horizon |
|
event horizon |
O3 |
Distances |
|
proper distance |
|
luminosity distance |
|
angular diameter distance |
3. Thermal history (3 lectures)
Lecture |
Content |
Thermal 1 |
Introduction |
|
Black body spectrum |
|
photon to baryon ratio |
|
matter-radiation equality |
|
temperature-time relation |
T2 |
Nucleosynthesis |
|
introduction |
|
simplified calculation |
|
full results and comparison with observations |
T3 |
Cosmic microwave background radiation and summary |
|
introduction |
|
origin |
|
anisotropies |
|
measuring the geometry of the Universe |
|
summary of thermal history |
4. Dark side (2 lectures)
Lecture |
Content |
Dark side 1 |
Dark matter |
|
galaxy rotation curves |
|
galaxy clusters |
|
large scale structure |
|
WIMPS |
|
other dark matter candidates |
DS2 |
Dark energy |
|
Lambda and decceleration parameter revisited |
|
type 1a supernovae |
|
cosmological constant problem |
|
fluid description |
|
quintessence |
5. Early Universe (2 lectures + problem session)
Lecture |
Content |
Early Universe 1 |
Problems with Big Bang |
|
flatness |
|
horizon |
|
relic abundances |
EU2 |
Inflation |
|
what is it? |
|
solving the Big Bang problems |
|
how much inflation? |
|
what drives inflation? |
G. Guest lectures: details TBA
R. Revision (1 lecture)
Lecture |
Content |
Revision |
Revision |