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

Mathematical Typesetting with LaTeX

Newcastle University
2016–2017

R & Matlab Refresher Sessions

Newcastle University
2016–2017

Research

Interests

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

Publications

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
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

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.