Staff Profile

Dr Paul Bushby is a Reader in Applied Mathematics in the School of Mathematics, Statistics and Physics at Newcastle University. His areas of expertise are astrophysical fluid dynamics, magnetohydrodynamics and dynamo theory.

Roles and Responsibilities

• Director of Mathematics (Applied)

Qualifications

• BA, Mathematics, University of Cambridge (1999)
• MA, University of Cambridge (2003)
• PhD, Applied Mathematics, University of Cambridge (2003)

Previous Positions

• Postdoctoral Research Associate, Department of Applied Mathematics and Theoretical Physics, University of Cambridge (2003 to 2007)

Memberships

• Fellow of the Royal Astronomical Society
• Member of the International Astronomical Union
• Fellow of the Higher Education Academy

Research Interests

• Astrophysical fluid dynamics 
• Magnetohydrodynamics and dynamo theory
• Solar magnetism

Postgraduate Supervision

• Matthew Buckley (2009 - 2013)
• Laura Cole (2011 - 2016)
• Amit Seta (2014 - 2019)
• Can Evirgen (2015 - 2019)
• Alex Hindle (2016 - 2020)
• Robert Cooper (Started 2017)
• John Moss (Started 2019)

Postdoctoral Supervision

• Benjamin Favier (2010-2011)
  
• Luiz Felippe Santiago Rodrigues (2014-2016)
• Irina Makarenko (2015-2019)
• Natalia Gomez Perez (2017-2019)
• Alex Hindle (2020-)

Research Grants

• Leverhulme Trust Grant: "Dynamo action driven by magnetic buoyancy: A new module for solar magnetism" (2021-2024), RPG-2020-109, PI
• Leverhulme Trust Grant: "Modelling inhomogeneous magnetohydrodynamics (MHD) in hot Jupiter atmospheres" (2017-2021), RPG-2017-035, CoI
• Leverhulme Trust Grant: "Observations and models of turbulent flows: a topological approach" (2015-2019), RPG-2014-427, CoI
  
• STFC Standard Grant: "Cosmic rays in the multi-phase interstellar medium with dynamo-generated magnetic fields" (2013-2015), ST/L005549/1, PI
• STFC Consolidated Grant: "The Astrophysics Research Programme at Newcastle University" (2013-2016), ST/K001019/1, PI
• Royal Society International Joint Project Grant: "The origin and observational signatures of cosmic magnetic fields" (2011-2013),  CoI
• EPSRC First Grant: "Dynamos in rotating compressible convection" (2010-2011), EP/H006842/1, PI
• STFC Standard Grant: "Short term visitors programme" (2008-2011), ST/F003080/1, CoI

Google Scholar

Undergraduate Teaching (2022/2023)

• MAS1607 Multivariable Calculus and Differential Equations (Semester 2)

• Duguid CD, Bushby PJ, Wood TS. Shear-driven magnetic buoyancy in the solar tachocline: The mean electromotive force due to rotation. Monthly Notices of the Royal Astronomical Society 2023, 520(1), 527-541.
• Moss JB, Wood TS, Bushby PJ. Validity of sound-proof approximations for magnetic buoyancy. Physical Review Fluids 2022, 7(10), 103701.
• Hindle AW, Bushby PJ, Rogers TM. Observational consequences of shallow-water magnetohydrodynamics on hot Jupiters. The Astrophysical Journal Letters 2021, 916(1).
• Hindle AW, Bushby PJ, Rogers TM. The Magnetic Mechanism for Hotspot Reversals in Hot Jupiter Atmospheres. The Astrophysical Journal 2021, 922(2), 176.
• Cooper RG, Bushby PJ, Guervilly C. Subcritical dynamos in rapidly rotating planar convection. Physical Review Fluids 2020, 5, 113702.
• Seta A, Bushby PJ, Shukurov A, Wood TS. On the saturation mechanism of the fluctuation dynamo at Pr_M >= 1. Physical Review Fluids 2020, 5, 043702.
• Henderson R, Makarenko I, Bushby P, Fletcher A, Shukurov A. Statistical Topology and the Random Interstellar Medium. Journal of the American Statistical Association 2020, 115(530), 625-635.
• Evirgen CC, Gent FA, Shukurov A, Fletcher A, Bushby PJ. The supernova-regulated ISM – VI. Magnetic effects on the structure of the interstellar medium. Monthly Notices of the Royal Astronomical Society 2019, 488(4), 5065–5074.
• Hindle AW, Bushby PJ, Rogers TM. Shallow-water Magnetohydrodynamics for Westward Hotspots on Hot Jupiters. The Astrophysical Journal Letters 2019, 872(2), L27.
• Shukurov A, Rodrigues LFS, Bushby PJ, Hollins J, Rachen JP. A physical approach to modelling large-scale galactic magnetic fields. Astronomy & Astrophysics 2019, 623, A113.
• Candelaresi S, Pontin D, Yeates A, Bushby P, Hornig G. Estimating the Rate of Field Line Braiding in the Solar Corona by Photospheric Flows. The Astrophysical Journal 2018, 864(2), 157.
• Makarenko I, Bushby P, Fletcher A, Henderson R, Makarenko N, Shukurov A. Topological data analysis and diagnostics of compressible MHD turbulence. Journal of Plasma Physics 2018, 84(4), 1-24.
• Bushby PJ, Käpylä PJ, Masada Y, Brandenburg A, Favier B, Guervilly C, Käpylä MJ. Large-scale dynamos in rapidly rotating plane layer convection. Astronomy and Astrophysics 2018, 612, A97.
• Makarenko I, Shukurov A, Henderson R, Rodrigues LFS, Bushby P, Fletcher A. Topological signatures of interstellar magnetic fields - I. Betti numbers and persistence diagrams. Monthly Notices of the Royal Astronomical Society 2018, 475(2), 1843–1858.
• Seta A, Shukurov A, Wood TS, Bushby PJ, Snodin AP. Relative distribution of cosmic rays and magnetic fields. Monthly Notices of the Royal Astronomical Society 2018, 473(4), 4544-4557.
• Butters OJ, Sarson GR, Bushby PJ. Effects of magma-induced stress within a cellular automaton model of volcanism. Journal of Volcanology and Geothermal Research 2017, 341, 94-103.
• Shukurov A, Snodin AP, Seta A, Bushby PJ, Wood TS. Cosmic rays in intermittent magnetic fields. Astrophysical Journal Letters 2017, 839(1), L16.
• Evirgen CC, Gent FA, Shukurov A, Fletcher A, Bushby P. The distribution of mean and fluctuating magnetic fields in the multiphase interstellar medium. Monthly Notices of the Royal Astronomical Society 2017, 464(1), L105-L109.
• Wood TS, Bushby PJ. Oscillatory convection and limitations of the Boussinesq approximation. Journal of Fluid Mechanics 2016, 803, 502-515.
• Snodin AP, Shukurov A, Sarson GR, Bushby PJ, Rodrigues LFS. Global diffusion of cosmic rays in random magnetic fields. Monthly Notices of the Royal Astronomical Society 2016, 457(4), 3975-3987.
• Rodrigues LFS, Sarson GR, Shukurov A, Bushby PJ, Fletcher A. The Parker instability in disk galaxies. The Astrophysical Journal 2016, 816(1), 2.
• Ji Y, Cole L, Bushby P, Shukurov A. Asymptotic solutions for mean-field slab dynamos. Geophysical and Astrophysical Fluid Dynamics 2014, 108(5), 568-583.
• Yeates AR, Bianchi F, Welsch BT, Bushby PJ. The coronal energy input from magnetic braiding. Astronomy & Astrophysics 2014, 564, A131.
• Cole LC, Bushby PJ. Modulated cycles in an illustrative solar dynamo model with competing α-effects. Astronomy & Astrophysics 2014, 563, A116.
• Bushby PJ, Favier B. Mesogranulation and small-scale dynamo action in the quiet Sun. Astronomy & Astrophysics 2014, 562, A72.
• Favier B, Bushby PJ. On the problem of large-scale magnetic field generation in rotating compressible convection. Journal of Fluid Mechanics 2013, 723, 529-555.
• Buckley MC, Bushby PJ. Localized oscillatory states in magnetoconvection. Physical Review E (Statistical, Nonlinear, and Soft Matter Physics) 2013, 87(2), 023019.
• Bushby PJ, Archontis V. Modelling magnetic flux emergence in the solar convection zone. Astronomy & Astrophysics 2012, 545, A107.
• Favier B, Bushby PJ. Small-scale dynamo action in rotating compressible convection. Journal of Fluid Mechanics 2012, 690, 262-287.
• Bushby PJ, Favier B, Proctor MRE, Weiss NO. Convectively-driven dynamo action in the quiet Sun. Geophysical and Astrophysical Fluid Dynamics 2012, 106(4-5), 508-523.
• Houghton SM, Bushby PJ. Localized plumes in three-dimensional compressible magnetoconvection. Monthly Notices of the Royal Astronomical Society 2011, 412(1), 555-560.
• Favier B, Bushby PJ. Dynamos in rotating compressible convection. In: 13th European Turbulence Conference (ETC13). 2011, Warsaw, Poland: IOP Science.
• Bushby PJ, Proctor MRE, Weiss NO. The influence of stratification upon small-scale convectively-driven dynamos. In: Proceedings of the International Astronomical Union: IAU Symposium on ''Astrophysical Dynamics: From Stars to Galaxies". 2011, Nice, France: Cambridge University Press.
• Bushby PJ, Proctor MRE. The influence of alpha-effect fluctuations and the shear-current effect upon the behaviour of solar mean-field dynamo models. Monthly Notices of the Royal Astronomical Society 2010, 409(4), 1611-1618.
• Bushby PJ, Proctor MRE, Weiss NO. Small-scale dynamo action in compressible convection. In: Numerical Modeling of Space Plasma Flows (ASTRONUM). 2010, Chamonix, France: ASPCS: San Francisco.
• Silvers LJ, Bushby PJ, Proctor MRE. Interactions between magnetohydrodynamic shear instabilities and convective flows in the solar interior. Monthly Notices of the Royal Astronomical Society 2009, 400(1), 337-345.
• Proctor M, Richardson K, Bushby P. Effects of fluctuation on mean-field α-Ω dynamos. Magnetohydrodynamics 2009, 45(2), 145-154.
• Bushby PJ, Houghton SM, Proctor MRE, Weiss NO. Convective intensification of magnetic fields in the quiet Sun. Monthly Notices of the Royal Astronomical Society 2008, 387(2), 698-706.
• Bushby PJ. Magnetic fields in the solar photosphere. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 2008, 366(1884), 4465-4476.
• Bushby PJ, Tobias SM. On predicting the solar cycle using mean-field models. Astrophysical Journal 2007, 661(2), 1289-1296.
• Bushby PJ. Super-equipartition fields in simulations of photospheric magnetoconvection. In: Convection in Astrophysics, Proceedings of IAU Symposium #239. 2006, Prague, Czech Republic: Cambridge University Press.
• Bushby PJ. Zonal flows and grand minima in a solar dynamo model. Monthly Notices of the Royal Astronomical Society 2006, 371(2), 772-780.
• Bushby PJ, Houghton SM. Spatially intermittent fields in photospheric magnetoconvection. Monthly Notices of the Royal Astronomical Society 2005, 362(1), 313-320.
• Bushby PJ. Zonal flows in a mean-field solar dynamo model. Astronomische Nachrichten 2005, 326(3-4), 218-222.
• Bushby P, Mason J. Understanding the solar dynamo. Astronomy & Geophysics 2004, 45(4), 7-13.
• Bushby PJ. Modelling dynamos in rapidly rotating late-type stars. Monthly Notices of the Royal Astronomical Society 2003, 342(1), L15–L19.
• Bushby PJ. Strong asymmetry in stellar dynamos. Monthly Notices of the Royal Astronomical Society 2003, 338(3), 655-664.