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PHYS3007 Theories of Matter, Space and Time

Module Overview

Variational methods in classical physics will be reviewed and the extension of these ideas in quantum mechanics will be introduced.

Aims and Objectives

Module Aims

The aim of this course is to provide a deeper understanding in a number of areas in which study has already begun in previous courses. Much of the course will concentrate on the transition from classical 19th Century physics to the new ideas of 20th Century physics, relativity and quantum mechanics. The laws of dynamics and electrodynamics will be developed in a fully relativistic notation.

Learning Outcomes

Subject Specific Intellectual and Research Skills

Having successfully completed this module you will be able to:

  • Understand 4-vector notation and be able to perform dynamics and electro dynamics calculations using them
  • Understand the differential form of Maxwell's equations and be able to derive the wave equation in free space for light
  • Understand the use of variational methods in a variety of problems including Newtonian dynamics.

Syllabus

- Principles of Least Action Calculus of variation: the Euler-Lagrange equations - Fermat's Principle of least time: light in vacuum and in media - Lagrangian dynamics and examples - First integrals - Special Relativity Postulates - Lorentz transformations as generalized rotations - 4-vectors and index conventions - Proper time and definitions of rel. ìu, au, pu and derivation of E = mc2 - Eqns of relativistic dynamics and 4-momentum conservation. E.g. Compton effect, Doppler effect, particle decay - Electromagnetism - Maxwell's equations in differential form - Wave equations in free space - Potential, Vector Potential and Laplace's equation - Gauge transformations 4-vector current, 4-vector potential and Fìvand their Lorentz transformations - Relativistic formulation of Maxwell's equations - Aspects of Quantum Mechanics - Momentum space wave functions - Completeness and orthogonality - Klein-Gordon equation, interpretation of negative energy states - Time independent perturbation theory and examples

Learning and Teaching

TypeHours
Revision10
Lecture30
Preparation for scheduled sessions15
Wider reading or practice72
Completion of assessment task8
Follow-up work15
Total study time150

Assessment

Assessment Strategy

All 3 sheets count for the purposes of assessment, and mitigation for missed modules requires students to make a request to the Special Considerations Board in the usual way.

Summative

MethodPercentage contribution
Exam  (2 hours) 90%
Problem Sheets 10%

Referral

MethodPercentage contribution
Coursework marks carried forward %
Exam %

Repeat Information

Repeat type: Internal & External

Linked modules

Pre-requisites

To study this module, you will need to have studied the following module(s):

CodeModule
PHYS2003Quantum Physics
PHYS2006Classical Mechanics
PHYS2001Electromagnetism
PHYS2023Wave Physics
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