# GENERAL RELATIVITY - 2021/2

Module code: PHYM053

Module Overview

This module will introduce the students to the principles and formalism of General Relativity and its applications to Black Holes and astrophysical phenomena.

Module provider

Physics

GUALANDRIS Alessia (Physics)

Number of Credits: 15

ECTS Credits: 7.5

Framework: FHEQ Level 7

JACs code: F300

Module cap (Maximum number of students): N/A

Module Availability

Semester 2

Prerequisites / Co-requisites

The module will assume prior knowledge equivalent to the following modules. If you have not taken these modules you should consult the module descriptors. PHY3038 Special Relativity; PHY2071 Introduction to Astronomy. Basic programming skills in either Fortran, C, C++ or Python are also required.

Module content

General relativity lectures:

• Introduction (inadequacy of Newtonian description, Special Relativity and
Minkowski metric, Einstein’s principles of equivalence)
• Mathematics of General Relativity (Forms, vectors and tensors, covariant
derivatives and connections, parallel transport and geodesics, curvature)
• Principles of General Relativity (Einstein’s field equations, the Schwarzschild
solution, testing of General Relativity, black holes)

General relativity computer lab:
• The two-body problem in classical mechanics
• Implementation of an N-body integrator to study the two-body problem
• The Post-Newtonian approximation
• Implementation of Post Newtonian corrections in the N-body integrator
• Application of the N-body integrator to the study of 3 astrophysical problems:
Mercury’s precession of the perihelion, the orbits of the S-stars in the centre of the
Milky Way, energy losses in black hole binaries due to emission of gravitational

Assessment pattern

Assessment type Unit of assessment Weighting
Coursework COMPUTATIONAL COURSEWORK 30
Examination END OF SEMESTER 2H EXAMINATION 70

Alternative Assessment

None.

Assessment Strategy

The assessment strategy is designed to provide students with the opportunity to demonstrate understanding of the formalism of general relativity, aspects of differential geometry relevant to gravitating systems and applications underpinning experimental tests of general relativity.
Thus, the summative assessment for this module consists of:
• A 2 hour final examination with two sections: Section A contains compulsory questions worth 20 marks & Section B contains three questions of 20 marks each of which the students attempt two.
• A coursework based on the computational project developed during the module.

Formative assessment and feedback

During lectures students will have group problems to apply theory covered with direct
interaction with the lecturer and feedback on their understanding.
The students will be assisted in the development of the computer code and will receive verbal feedback during the lab sessions.

Module aims

• This module aims to:
• Give the students a clear understanding of the limits of Newtonian mechanics and
Special Relativity
• Introduce the principles and formalism of General Relativity
• Show how to apply the Post Newtonian approximation to astrophysical systems

Learning outcomes

Attributes Developed
001 Understanding of the concept of tensors, manipulate simple tensorial equations and understand the elements of differential geometry in relation to describing curved space-times KCPT
002 Understanding of Einstein field equations which describe the gravitational field arising from any distribution of matter KC
003 Ability to solve problems involving the motion of observers around a central mass point. KPT
004 Understanding of the key tests of general relativity and show how the predictions of this theory deviate from Newtonian theory KC
005 Ability to describe the behaviour of observers in the vicinity of a black hole which has no charge or rotation KCT
006 Ability to judge the short-comings in the Newtonian theory of gravity, the problem of defining inertial frames, and the reasons why Special Relativity fails to resolve these issues KCT
007 Understanding of the Post Newtonian approximation and implement it in a numerical N-body integrator KCPT

Attributes Developed

C - Cognitive/analytical

K - Subject knowledge

T - Transferable skills

P - Professional/Practical skills

Independent Study Hours: 117

Lecture Hours: 22

Laboratory Hours: 11

Methods of Teaching / Learning

The learning and teaching strategy is designed to enable students to understand the fundamental concepts involved in General
Relativity.
The learning and teaching methods include:
• Lectures: 2 hours lecture per week x 11 weeks

• Computer Lab: 1 hour per week x 11 weeks

Indicated Lecture Hours (which may also include seminars, tutorials, workshops and other contact time) are approximate and may include in-class tests where one or more of these are an assessment on the module. In-class tests are scheduled/organised separately to taught content and will be published on to student personal timetables, where they apply to taken modules, as soon as they are finalised by central administration. This will usually be after the initial publication of the teaching timetable for the relevant semester.

Upon accessing the reading list, please search for the module using the module code: PHYM053

Programmes this module appears in

Programme Semester Classification Qualifying conditions
Physics with Nuclear Astrophysics MPhys 2 Compulsory A weighted aggregate mark of 50% is required to pass the module
Physics with Astronomy MPhys 2 Compulsory A weighted aggregate mark of 50% is required to pass the module
Physics MSc 2 Optional A weighted aggregate mark of 50% is required to pass the module
Physics with Quantum Technologies MPhys 2 Optional A weighted aggregate mark of 50% is required to pass the module
Physics MPhys 2 Optional A weighted aggregate mark of 50% is required to pass the module
Mathematics and Physics MPhys 2 Optional A weighted aggregate mark of 50% is required to pass the module
Mathematics and Physics MMath 2 Optional A weighted aggregate mark of 50% is required to pass the module

Please note that the information detailed within this record is accurate at the time of publishing and may be subject to change. This record contains information for the most up to date version of the programme / module for the 2021/2 academic year.