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Faculty of Mathematics

 

Career

  • 2008-11 Gresham Professor of Geometry, Gresham College
  • 2003-7 Gresham Professor of Astronomy, Gresham College, London 2003-7
  • 2004-7 Vice President, Clare Hall, Cambridge
  • 1999- Fellow, Clare Hall, Cambridge
  • 1999- Director, Millennium Mathematics Project, University of Cambridge
  • 1999- Professor of Mathematical Sciences, Dept. Applied Mathematics and Theoretical Physics, University of Cambridge
  • 1994-99 PPARC Senior Fellow, University of Sussex
  • 1992-3 Royal Society Leverhulme Fellow, University of Sussex
  • 1989-90 and 1995-99 Director, Astronomy Centre, University of Sussex
  • 1989-99 Professor, Astronomy Centre, University of Sussex
  • 1986-7 Nuffield Foundation Fellow, University of Sussex
  • 1981-8 Lecturer, Astronomy Centre, University of Sussex

Research

Cosmology, astrophysics, theories of gravitation, astroparticle physics, and astronomical tests of fundamental physics. Public Engagement: Mathematics education, public understanding of science and mathematics. Millennium Mathematics Project (see www.mmp.maths.org)

Selected Publications

  • JD Barrow, 2008 100 Essential Things You Didn't Know You Didn't Know, Bodley Head London and Norton NY.
  • JD Barrow, 2008 Cosmic Imagery: key images in the history of science, Bodley Head, London and Norton NY.
  • JD Barrow and J Middleton 2008 The Stability of an Isotropic Cosmological Singularity in Higher-order Gravity, Phys. Rev. D 77, 103523
  • JD Barrow, R Maartens and CG Tsagas 2007 Cosmology with Inhomogeneous Magnetic Fields, 2007. Physics Reports 449, 131-171
  • B Li, DF Mota and JD Barrow 2008 Detecting a Lorentz-violating Field in Cosmology, 2008 Phys. Rev. D 77, 024032
  • JD Barrow, 2007 A Strong Constraint on Ever-Present Lambda, Phys. Rev. D 75, 067301
  • JD Barrow and S Hervik 2006 Anisotropically Inflating Universes, Phys. Rev. D 73, 023007
  • T Clifton and JD Barrow 2005 The Power of General Relativity, Phys. Rev. D 72, 103005
  • JD Barrow 2005 General Cosmological Bounds on Spatial Variations of Physical Constants, Phys. Rev. D 71, 083520.
  • JD Barrow 2004 Sudden Future Singularities, Class. Quantum Gravity 21, L79-L82
  • K Subramanian, TR Seshadri and JD Barrow 2003 Small-scale CMB Polarisation anisotropies due to Tangled Primordial Magnetic Fields, Mon. Not. Roy. Astron. Soc. 344, L31-35
  • HB Sandvik, JD Barrow and J Magueijo 2002 A simple varying-alpha cosmology, 2002. Phys. Rev. Lett. 88, 031302

External Activities

  • Gresham Professor of Geometry and Emeritus Professor of Astronomy
  • President BAAS Physics and Astronomy Section
  • 2008-9. Hon. Concurrent Professor of Physics, Univ of Nanjing
  • Various Trustee Boards.

Publications

The area of a rough black hole
JD Barrow
– Physics Letters B
(2020)
808,
135643
Maximum Force and Naked Singularities in Higher Dimensions
JD Barrow
– International Journal of Modern Physics D
(2020)
S0218271820430087
New anisotropic sudden singularities and dimensional reduction
JD Barrow
– Physical Review D
(2020)
102,
024073
Conjecture about the general cosmological solution of Einstein's equations
JD Barrow
– Physical Review D
(2020)
102,
024017
Perturbations and linearization stability of closed Friedmann universes
H Noh, JC Hwang, JD Barrow
– Physical Review D
(2020)
101,
123527
Non-Euclidean Newtonian cosmology
JD Barrow
– Classical and Quantum Gravity
(2020)
37,
125007
Four direct measurements of the fine-structure constant 13 billion years ago.
MR Wilczynska, JK Webb, M Bainbridge, JD Barrow, SEI Bosman, RF Carswell, MP Dąbrowski, V Dumont, C-C Lee, AC Leite, K Leszczyńska, J Liske, K Marosek, CJAP Martins, D Milaković, P Molaro, L Pasquini
– Science advances
(2020)
6,
eaay9672
Graduated dark energy: Observational hints of a spontaneous sign switch in the cosmological constant
Ö Akarsu, JD Barrow, LA Escamilla, JA Vazquez
– Physical Review D
(2020)
101,
063528
Sudden Brans–Dicke singularities
JD Barrow
– Classical and Quantum Gravity
(2020)
37,
065014
Non-linear interactions in cosmologies with energy exchange
JD Barrow, G Kittou
– The European Physical Journal C
(2020)
80,
120
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Research Groups

Cantab Capital Institute for the Mathematics of Information
High Energy Physics
Millenium Mathematics Project
Relativity and Gravitation

Room

B0.18

Telephone

01223 766696