Dr George W. Stagg

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



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


Mathematical Typesetting with LaTeX

Newcastle University

R & Matlab Refresher Sessions

Newcastle University



Low temperature physics
  • Bose-Einstein condensation
  • Superfluid vortex dynamics
  • Two-dimensional vortex dynamics
  • Ultra-quantum turbulece decay
  • BEC with dipolar-dipolar interactions
Discrete geometry
  • Notions of discrete graph curvature


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]
Expected 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
Superfluid boundary layer
G. W. Stagg, N. G. Parker, C. F. Barenghi, Phys. Rev. Lett. 118, 0135301
Ultraquantum turbulence in a quenched homogeneous Bose gas
G. W. Stagg, N. G. Parker, and C. F. Barenghi, Phys. Rev. A 94, 053632
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
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
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

Academic Posters

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


Academic Projects

2D-GP Image

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

Card image cap

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


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

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


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.