Teaching and Research Technical Officer

School of Mathematics, Statistics & Physics—Newcastle University.

School of Mathematics, Statistics & Physics—Newcastle University.

Newcastle University

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

Supervisors: Prof. Carlo Barenghi & Dr. Nick Parker

September 2012 - June 2016

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

School of Mathematics, Statistics & Physics—Newcastle University

Semester 1, 2018–2019
Newcastle University

2016–2017, October 2018
Newcastle University

2016–2017, October 2018
Newcastle University

November 2018
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
- Configuration management with Puppet & Hiera

Quasiperiodic boundary conditions for three-dimensional superfluids

Toby S. Wood, Mae Mesgarnezhad, George W. Stagg, Carlo F. Barenghi, Phys. Rev. B
2019

Quantum ferrofluid turbulence

T. Bland, G. W. Stagg, L. Galantucci, A. W. Baggaley, N. G. Parker, Phys. Rev. Lett.
2018

The Graph Curvature Calculator and the curvatures of cubic graphs

D. Cushing, R. Kangaslampi, V. Lipiäinen, S. Liu, G. W. Stagg, arXiv:
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.
2017

Superfluid boundary layer

G. W. Stagg, N. G. Parker, C. F. Barenghi, Phys. Rev. Lett.
2017

Ultraquantum turbulence in a quenched homogeneous Bose gas

G. W. Stagg, N. G. Parker, and C. F. Barenghi, Phys. Rev. A
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
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
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.
2014

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

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

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

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

A WebGL implementation of a 2D Gross-Pitaevskii Equation numerical solver. The solver runs in real time and is directly interactive.

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

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

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

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.