Università degli Studi di Perugia

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Unit ASTROPARTICLE AND COSMOLOGY

Course
Physics
Study-unit Code
GP005529
Curriculum
Fisica teorica
Teacher
Bruna Bertucci
Teachers
  • Bruna Bertucci - Didattica Ufficiale
Hours
  • 42 ore - Didattica Ufficiale - Bruna Bertucci
CFU
6
Course Regulation
Coorte 2017
Offered
2018/19
Learning activities
Affine/integrativa
Area
Attività formative affini o integrative
Sector
FIS/05
Type of study-unit
Opzionale (Optional)
Type of learning activities
Attività formativa monodisciplinare
Language of instruction
Italian or English if foreign students will be attending the lectures.
Contents

Introduction to the general relativity and the Einstein equations for the gravitational field. The cosmological problem: the Friedmann-Lemaitre equations, cosmological models and the Big-Bang theory. Cosmological paramenters: astrophysical and astro-particle experimental observations for their measurement.
Reference texts

Weinberg, Gravitation and Cosmology Bergstrom-Goobar, Cosmology and Astroparticle Physics Handouts and notes are made available to the students along the teaching period on the Unistudium online platform.
Educational objectives

The main objective of this course is to give an up-to-date overview of the most significant models used to describe the evolution of the universe as well as to give a flavour of the current challenges and open issues in the field. Connections between the cosmological problem and fundamental particle physics are evidentiated both from the theoretical and the experimental point of view.
Prerequisites

A basic knowledge of special relativity and particle physics are highly desirable in order to fully understand and to know how to tackle the course.
Teaching methods

Lectures of 2-3 hours.
Other information
Even if not strictly mandatory, attendance to the lectures is highly recommended.
Learning verification modality

The exam consists of a 45'-60' interview with question on the different topics addressed in the lectures.
Extended program

Summary of special relativity. Energy-Momentum tensor definition. Introduction to general relativity, Robertson-Walker metric, Friedmann-Lemaitre equations, energy, radiation and matter balance in the universe. Cosmologic models. Cosmography: definition of redshift and deceleration parameter of the RW metric, astrophysical observation of the geometrical properties of the universe. The Big-Bang model: the phases of the primordial universe evolution. Introduction to inflation, nucleosynthesis, recombination. The rise of the background cosmic radiation. The dark matter problem and the asymmetry matter-antimatter.
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