Dr George W. Stagg

Teaching and Research Technical Officer
School of Mathematics, Statistics & Physics—Newcastle University.

 

Education

Doctor of Philosophy - Mathematics

Newcastle University

Thesis: A Numerical Study of Vortices and Turbulence in Quantum Fluids

Supervisors: Prof. Carlo Barenghi & Dr. Nick Parker

September 2012 - June 2016

Master of Mathematics

Newcastle University

First Class Honours

Masters Project: The Movement of a Fractal Through a Bose-Einstein Condensate

Supervisor: Prof. Carlo Barenghi

August 2002 - May 2006

Teaching

Current

MAS2502: Introduction to Computing and Problem Solving

School of Mathematics, Statistics & Physics—Newcastle University
Semester 1, 2018–2019

Training Sessions

Mathematical Typesetting with LaTeX

Newcastle University
2016–2017, October 2018

R & Matlab Refresher Sessions

Newcastle University
2016–2017, October 2018

Introduction to Linux

Newcastle University
November 2018

Research

Interests

Low temperature physics
  • Bose-Einstein condensation
  • Superfluid vortex dynamics
  • Two-dimensional vortex dynamics
  • Ultra-quantum turbulece decay
  • BEC with dipolar-dipolar interactions
Joint work with Durham NODES
  • Notions of discrete graph curvature
  • The Graph Curvature Calculator
Research Software Engineering
  • Parallel MPI/OpenMP research codes
  • HPC cluster administration
  • GNU/Linux systems administration

Publications

Quantum ferrofluid turbulence
T. Bland, G. W. Stagg, L. Galantucci, A. W. Baggaley, N. G. Parker
Submitted 2018
The Graph Curvature Calculator and the curvatures of cubic graphs
D. Cushing, R. Kangaslampi, V. Lipiäinen, S. Liu, G. W. Stagg, arXiv:1712.03033 [math.CO]
Submitted 2018
Vortex scattering by impurities in a Bose-Einstein condensate
A. Griffin, G. W. Stagg, N. P. Proukakis and C. F. Barenghi, J. Phys. B: At. Mol. Opt. Phys. 50, 115003
2017
Superfluid boundary layer
G. W. Stagg, N. G. Parker, C. F. Barenghi, Phys. Rev. Lett. 118, 0135301
2017
Ultraquantum turbulence in a quenched homogeneous Bose gas
G. W. Stagg, N. G. Parker, and C. F. Barenghi, Phys. Rev. A 94, 053632
2016
Critical velocity for vortex nucleation in a finite-temperature Bose gas
G. W. Stagg, R. W. Pattinson, C. F. Barenghi, N. G. Parker, Phys. Rev. A 93, 023640
2016
Generation and Decay of Two-Dimensional Quantum Turbulence in a Trapped Bose-Einstein Condensate
G. W. Stagg, A. J. Allen, N. G. Parker, and C. F. Barenghi, Phys. Rev. A 91, 013612
2015
Quantum analogues of classical wakes in Bose-Einstein condensates
G. W. Stagg, N. G. Parker and C. F. Barenghi, J Phys B: At. Mol. Opt. Phys. 47, 095304
2014

Academic Posters

Image of classical wake poster
Image of decay of 2D turbulence poster

Projects

Academic Projects

2D-GP Image
2D-GP

A Fortran project that numerically solves the Gross-Pitaevskii Equation in 2D using OpenMP.

Card image cap
3D-GP-MPIOMP

A Fortran project that numerically solves the Gross-Pitaevskii Equation in 3D using MPI and OpenMP.

Graph Curvature Calculator showing a graph
Graph Curvature Calculator

A web tool for calculating curvature of graphs under various discrete curvature notions.

Personal Projects

Games

Double Torus Snake image
Double Torus Snake

Snake, but played on a double torus. An experiment in working with Enscripten.

Tensor Tic Tac Toe image
Tensor Tic Tac Toe

A meta-game based on Tic Tac Toe. The meta-game is made up of 9 smaller games of Tic Tac Toe.

Primes! image
Primes!

Tap the tiles to pop out the lowest prime factor. Adjacent primes disappear! Try to clear the board.

Demos/Other

Double Spherical Pendulum
Double Spherical Pendulum

Classical physics simulation of a double pendulum with spherical joints and masses otherwise free to move in 3D.

Waveflow for iOS image
WaveFlow for iOS

A runtime modification (also known as a ‘tweak’) for jailbroken iOS devices that adds a graphical visualiser to the lockscreen and Music app. Currently sold on the alternative app-store Cydia.