The lecturer can be contacted by email at syksy.rasanen@helsinki.fi, or you can drop by my office.

Lectures: Saturdays 14.00-16.50 in SCI113.

The first lecture was on Saturday September 8.

There was no lecture on October 20.

The last lecture was on December 8.

Exercise sessions: Thursdays 9.00-10.50 in SCI253.

There were no exercise sessions on October 25, November 1, November 8 or November 15.

There was an exercise session on Wednesday November 14 in SCI007 from 9.00 to 11.00.

The midterm exam was on Saturday October 27 at 13.00-17.00 in room SCI013. The exam covered chapters 1 to 5 of the lecture notes.

The final exam was be on Wednesday December 19 at 9.00-13.00 in room SCI263. The exam covered chapters 6 to 9 of the lecture notes.

The grade is based 20% on the exercises, 40% on the midterm exam and 40% on the final exam. The points from exercises and exams, as well as the final marks, are listed on Ritaj.

Lecture notes will appear here as the lectures proceed. Reading
the lecture notes before attending the lectures is recommended.

The introductory lecture is hera as a Powerpoint file and as a PDF.

Chapter 1: Introduction

Chapter 2: Basics of general relativity

Chapter 3: The Friedmann-Robertson-Walker model

Chapter 4: Thermodynamics in an expanding universe

Chapter 5: Thermal history of the early universe

Chapter 6: Big bang nucleosynthesis

Chapter 7: Dark matter

Chapter 8: Inflation: background

Chapter 9: Inflation: perturbations

Homework 1

Homework 2

Homework 3

Homework 4

Homework 5

Homework 6

Homework 7

Homework 8

Homework 9

Homework 10

- Description of the universe as a whole in general relativity, homogeneous and isotropic models of the universe, expansion of space, distances in expanding spacetime, the relation between the matter content and the geometry of spacetime.
- Thermodynamics in an expanding universe. Thermal history of the universe in terms of particle species, including the decoupling of neutrinos, decoupling of light and matter and the formation of light nuclei during big bang nucleosynthesis.
- Dark matter. Basic observational evidence, some popular dark matter models, basics of dark matter detection.
- Cosmic inflation. Motivation, basic idea, generation of the seeds of structure from nothing via quantum fluctuations.

An earlier, more extensive, version of the course can be found here.

E.W. Kolb, M.S. Turner: The Early Universe (Addison-Wesley 1990).

T. Padmanabhan: Structure formation in the universe (Cambridge University Press 1993).

M. Roos: Introduction to Cosmology, 3rd ed. (Wiley 2003).

L. Bergström and A. Goobar: Cosmology and Particle Astrophysics (Wiley 1999).

J.A. Peacock: Cosmological Physics (Cambridge University Press 1999).

A.R. Liddle and D.H. Lyth: Cosmological Inflation and Large-Scale Structure (Cambridge University Press 2000).

S. Dodelson: Modern Cosmology (Academic Press 2003).

V. Mukhanov: Physical Foundations of Cosmology (Cambridge University Press 2005).

S. Weinberg: Cosmology (Oxford University Press 2008).

R. Durrer: The Cosmic Microwave Background (Cambridge University Press 2008).

A.R. Liddle and D.H. Lyth: The Primordial Density Perturbation: Cosmology, Inflation and the Origin of Structure (Cambridge University Press 2009).

It's not necessary to have any of these textbooks, the lecture notes are sufficient.

Last updated: January 9, 2019