PHYS1240 Quantum Physics and Relativity (Geophysics)

10 creditsClass Size: 40

Module manager: Dr Alison Voice
Email: A.M.Voice@leeds.ac.uk

Taught: Semester 1 (Sep to Jan) View Timetable

Year running 2023/24

Pre-requisite qualifications

A Level Physics and Maths or equivalent

This module is mutually exclusive with

 PHYS1200 Physics 1- Fundamental Forces PHYS1231 Introductory Physics (Geophysics) PHYS1270 Quantum Mechanics and Electricity (Joint Honours)

This module is not approved as a discovery module

Module summary

At the end of the nineteenth century, it was thought that all of physics was known. Albert Michelson claimed in 1894 that all that remained for physics was the filling in of the sixth decimal place. Little did he know that the dawn of the new century would bring with it two major revolutions: quantum theory and relativity. So significant were these changes that physics afterwards came to be known as 'modern physics'. In this course you will follow the historic discoveries that led to this new way of thinking and will cover the key concepts in their development.

Objectives

At the end of this module you should be able to:
- derive and use the transformation equations of special relativity;
- compute the energy and momentum of relativistic particles;
- summarise relativistic systems on a Minkowski spacetime diagram;
- understand the core difference between quantum and classical physics;
- represent quantum systems with two classical states;
- compute measurement probabilities and quantum evolutions;
- apply the Heisenberg uncertainty relation and de Broglie wavelength to concrete physical systems;
- derive the Bohr model and use it to estimate energies of atoms and molecules;
- perform elementary computations relating to photons and radiation;
- understand the uses and philosophical implications of quantum entanglement

Learning outcomes
Students will be able to demonstrate knowledge, understanding and application of the following:

In Quantum Physics:
1. Core differences between classical and quantum physics.
2. Heisenberg Uncertainty Relation.
3. Quantum aspects of atoms and radiation.

In Relativity
1. Lorentz transformations
2. Minkowski space
3. Relativistic dynamics

Skills outcomes
Problem solving in quantum physics and relativity

Syllabus

- Uses of quantum physics
- The Bohr model of the atom
- The de Broglie wavelength
- The Heisenberg uncertainty relation
- Lorentz Transformations
- Relativistic kinematics
- Relativistic energy and momentum
- Four-vectors and Minkowski space

Teaching methods

 Delivery type Number Length hours Student hours Lecture 22 1.00 22.00 Independent online learning hours 11.00 Private study hours 67.00 Total Contact hours 22.00 Total hours (100hr per 10 credits) 100.00

Private study

- Reading lecture notes and books
- Solving problems

Tutorial sheets

Methods of assessment

Coursework
 Assessment type Notes % of formal assessment In-course Assessment Regular Coursework 20.00 Total percentage (Assessment Coursework) 20.00

Resists will be in standard exam format.

Exams
 Exam type Exam duration % of formal assessment Standard exam (closed essays, MCQs etc) 1 hr 30 mins 80.00 Total percentage (Assessment Exams) 80.00

Students will have to complete an in-person exam at the end of the module. This will take place during the examinations period at the end of the semester and will be time bound.

The reading list is available from the Library website

Last updated: 28/04/2023 14:55:12

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