PX4122: Quantum Information Processing

School Cardiff School of Physics & Astronomy
Department Code PHYSX
Module Code PX4122
External Subject Code 101300
Number of Credits 10
Level L7
Language of Delivery English
Module Leader Dr Martin Elliott
Semester Autumn Semester
Academic Year 2015/6

Outline Description of Module

To introduce the basic concepts of quantum mechanics and quantum computers.
To introduce information theory and discuss algorithms which require quantum computers.
To discuss simple physical realisations of quantum computers.

On completion of the module a student should be able to

Demonstrate a knowledge of quantum mechanical principles applicable to quantum computers.

Show an understanding of and apply basic concepts in information theory.

Demonstrate an understanding of computer algorithms which require quantum computers.

Be able to describe and analyse physical realisations of prototype quantum computers.

How the module will be delivered

Lectures 22 x 1hr. Marked exercises

Skills that will be practised and developed

Boolean logic
Encryption schemes
Information theory

How the module will be assessed

Examination and Continuous Assessment

Assessment Breakdown

Type % Title Duration(hrs)
Exam - Autumn Semester 70 Quantum Information Processing 2
Written Assessment 30 Quantum Information Processing N/A

Syllabus content

Quantum Foundations: Two state systems, Hilbert spaces, spins, bras and kets, quantum measurement.
Quantum Computing Basics: Bits and qubits, quantum logic gates.
Applications: Quantum Fourier transform, Shor’s factorization algorithm and RSA encryption, Grover’s search algorithm, dense coding, quantum encryption, quantum teleportation.
Information Theory: Shannon’s entropy, Maxwell’s demons.
Realisations: Building a quantum computer, decoherence, error correction.

Background Reading and Resource List

Quantum Computation and Quantum Information, Nielsen and Chuang (Cambridge University Press).
Quantum Computer Science, N David Mermin (Cambridge University Press).


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