• Research Students
Staff Record
Postgraduate Student

Evgeny Zavarygin



  • First year physics laboratory demonstrator
  • First year physics teaching assistant


  • PhD (2016 - present) - School of Physics, University of New South Wales, Australia:
    • Supervisor: Prof. John Kelvin Webb
    • Thesis: Cosmology with quasar spectroscopy
  • MSc, with Honours (2012 - 2014) - Department of Physics and Nanotechnology, Peter the Great St.Petersburg Polytechnic University, Russia:
    • Supervisor: Prof. Alexandre Ivanchik
    • Thesis: Variation of the baryon-to-photon ratio due to decay of dark matter
  • BSc, with Honours (2008 - 2012) - Department of Physics, Ural Federal University, Russia:
    • Supervisor: Dr. Igor Nekrasov
    • Thesis: Consistent treatment of symmetry in the Tight Binding approximation for the conduction band of 2H-TaSe2.

Research Interests: 

My research interests include various cosmological applications of quasar spectra. Of these:
  • Primordial deuterium abundance and BBN
  • Distribution of Lyman alpha forest
  • Temperature of CMB at high redshifts

Honours, Awards and Memberships: 

  • 2008 - Graduated from a high school with a Gold Medal (High Honours)
  • 2012 - BSc with Honours
  • 2014 - MSc with Honours


  • 2008 - 2014 - Numerous top-up scholarships for excellence in study (undergraduate and masters)
  • 2016 - 2019 - International Postgraduate Research Scholarships (UNSW)


  • 2014 - 2015 - Physics of the Early Universe: Chemical Composition and Physical Conditions at Different Stages of Universe Evolution. No 14-12-00955. Fund: Russian Science Foundation. PI: Varshalovich D.A. CoIs: Balashev S.A., Chechev V.P., Ryabinkov, A.I., Klimenko V.V., Zavarygin E.O.Ivanchik A.V., Kaminker A.D., Sobolev A.I.


  • since 2016 - Astronomical Society of Australia
  • since 2017 - The Royal Astronomical Society (UK)

Selected Publications: 

  • Zavarygin E. O, Webb J. K. A search for cosmological anisotropy using the Lyman alpha forest from SDSS quasar spectra. MNRAS 489, 3966 (2019). ADS link
  • Zavarygin E. O, Webb J. K., Dumont V., Riemer-Sorensen S. The primordial deuterium abundance at z = 2.504 from a high signal-to-noise spectrum of Q1009+2956. MNRAS 477, 5536 (2018). ADS link
  • Balashev S. A., Zavarygin E. O., Ivanchik A. V., Telikova K. N., Varshalovich D. A. The primordial deuterium abundance: subDLA system at zabs = 2.437 towards the QSO J 1444+2919. MNRAS 458, 2188 (2016). ADS link
  • Zavarygin E. O., Ivanchik A. V. Variation of the baryon-to-photon ratio due to decay of dark matter particles. Astronomy Letters 41, 383 (2015). ADS link