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, 2018–2020
Newcastle University

October 2016–2019
Newcastle University

October 2016–2019
Newcastle University

November & January 2018–2020
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

The Graph Curvature Calculator and the curvatures of cubic graphs

D. Cushing, R. Kangaslampi, V. Lipiäinen, S. Liu, G. W. Stagg, Experimental Mathematics
2019

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

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.

Defining the Mandelbrot set on a Poincare disc. Includes an interactive hyperbolic fractal explorer.

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 (9-11) devices that adds a graphical visualiser to the lockscreen and Music app.