Research

Please see my personal homepage for press releases & campaigns.  Thie following desription of my research interests is more technical & research-oriented.

Galactic structure and dynamics.  The bar, disk and halo of the Milky Way galaxy. The M31 galaxy and the Local Group.

The dark matter problem and  astroparticle physics. Extremely dark matter dominated objects such as the dwarf spheroidal and dwarf irregular galaxies of the Local Group.

Survey science, the Sloan Digital sky survey, the GAIA satellite, transient astronomy, science alerts.

Theoretical galaxy models, self-consistent solutions of the Boltzmann equation. Galactic stability and spiral structure.

Gravitational lensing and microlensing. The mathematical structure of lensing.

Solar system dynamics, extra-solar planets, numerical integration methods.

Non-linear science, integrability and chaos. Super-integrability.

Astroparticle physics. Ultra-high energy cosmic rays. 

Selected papers

GAIA and History of Milky Way:

Evans N.W 2020, The early merger that made the galaxy's stellar halo, IAU Symposium 353 (Invited Review)

Myeong G., Vasiliev E., Iorio G., Evans N.W., Belokurov V. 2019, Evidence for two early accretion events that built the Milky Way stellar halo, MNRAS, 488, 1235

Belokurov V, Erkal D, Evans N.W., Koposov S, Deason A. 2018,  Coformation of the disc and stellar halo, MNRAS, 478, 611 

Galactic Bulge & Bar:

Sanders J.L., Smith L., Evans N.W. 2019. The Pattern Speed of the Bar from Transverse Velocities, MNRAS, 488, 4552

Molloy M, Smith M.C., Evans N.W., Shen J. 2015, Resonant Orbits and High Velocity Peaks towards the Bulge, ApJ, 812, 146

Dwarf Galaxies:

Koposov, S., Belokurov V., Torrealba G., Evans N.W., 2015, Beasts of the Southern Wild : Discovery of Nine Ultra-Faint Satellites in the Vicinity of the Magellanic Clouds, ApJ, 805, 130

Amorisco N.C., Evans N.W., van de Ven G., 2014  The Remnant of a Merger between Two Dwarf Galaxies in Andromeda II, Nature, 507, 335

Belokurov V., Koposov S., Evans N.W., et al., 2014 Precession of the Sagittarius stream, MNRAS, 437, 116

Kleyna J.T., Wilkinson M.I., Evans N.W., Gilmore G., 2002 Dark matter in dwarf spheroidals - II. Observations and modelling of Draco, MNRAS, 330, 792

Stellar Dynamics:

An J., Evans N.W,  2006,  A Cusp Slope-Central Anisotropy Theorem, ApJ, 642, 754

Evans, N.W., An J. 2005,  Hypervirial Models of Stellar Systems, MNRAS,  360, 492

Wilkinson M.I., Evans N.W. 1999, The Present and Future Mass of the Milky Way, MNRAS, 310, 645

Evans N.W., Read J.C.A., 1998, Stability of the Power-Law Disks, MNRAS,  300, 106

Evans N.W., 1994, The Power-Law Galaxies, MNRAS, 267, 333

Lensing:

Belokurov V., Evans N.W., Hewett P. et al. 2009 Two new large-separation gravitational lenses from SDSS, 392, 104

Belokurov V., Evans N.W., Mooisev A., et al. 2007,  The Cosmic Horseshoe: Discovery of an Einstein Ring around a Giant Luminous Red Galaxy, ApJ, 671, L9

Evans N.W, Hunter C., 2002, Lensing Properties of Cored Galaxy Models, ApJ, 575, 68

Dark Matter:

Gilmore G., Wilkinson M., Wyse R., Koch A., Evans N.W., Grebel G., 2007, The Observed Properties of Dark Matter on Small Spatial Scales, ApJ, 663, 948

Evans N.W, Ferrer F., Sarkar S. 2004, A Travel Guide to the Dark Matter Signal, Phys Rev D, 69, 123501

Sloan Discoveries:

Belokurov V., Zucker D., Evans N.W, et al., 2007, Cats and Dogs, Hair and a Hero: A Quintet of New Milky Way Companions, ApJ, 654, 897

Belokurov V.., Evans N.W., Bell E.T., et al. 2007, The Hercules-Aquila Cloud, ApJ, 657, L89

Belokurov V., Evans N.W., Irwin M.J., et al. 2007, An Orphan in the Field of Streams, ApJ, 658, 337

Belokurov V., Zucker D., Evans N.W., et al, 2006, The Field of Streams: Sagittarius and its Siblings, ApJ, 642, L137

Non-Linear Dynamics:

Verrier P., Evans N.W., 2008, A New Superintegrable Hamiltonian, JMP, 49, 2902

Evans N.W., 1990, Superintegrability in Classical and Quantum Mechanics, Phys Rev A, 41, 5666

Solar System Dynamics:

Horner J., Evans N.W.,  Bailey M.E., Asher D., 2003, The populations of Comet-like bodies in the Solar System, MNRAS, 343, 105

Evans N.W., Tabachnik S., 1999, Possible Long-lived Asteroid belts in the inner Solar System, Nature, 399, 41

Career

Professor of Astrophysics at the Institute of Astronomy, Cambridge University

Formerly, Reader in Theoretical Physics, Oxford University and Lindemann Fellow at the Massachusetts Institute of Technology.

Science and Society

Article in The Times Higher Educational Supplement : Bullying is a Feature of UK Research Universities, not a Bug

Article on Telescoper's blog: Bullying: How to Survive It in UK Universities

A Horrific Account of Bullying at a UK University: The Bullying of Hannelore