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Physics and Astronomy

Photo of Dr Krisztian Kohary

Dr Krisztian Kohary

Research IT Officer (Astrophysics)

 (Streatham) 5515

 01392 725515


Dr Krisztian Kohary

Research IT Officer (Astrophysics)

Dr Kohary joined the University of Exeter as part of the Research IT team in April 2018. His main role is to support and advise the computational modelling research aspects of the Astrophysics group (CEMPS, University of Exeter) reporting directly to his line manager Martyn Brake and to Professor Isabelle Baraffe (Head of Astrophysics).

One of Dr Kohary's main responsibilities is the coordination and management of the Unified Model (UM) as part of the weather and climate science modelling within the Met Office Academic Partnership (MOAP). This involves the maintenance and development of the UM code on our local development and High Performance Computing (HPC) facilities at Exeter and elsewhere (DiRAC, Leicester). Dr Kohary works closely with and reports to the Exeter UM Academic Lead Professor Nathan Mayne.

Dr Kohary is also responsible for the maintenance of 20+ Linux, Mac, and various NAS servers that are in use within the Astrophysics group, in addition to the support of Mac and Linux desktop computers, reporting to the Astrophysics group Academic Lead Professor Isabelle Baraffe. In addition, Dr Kohary provides computational support for the on-site observatory that is maintained for undergraduate teaching purposes working closely with Dr Jennifer Hatchell.

Dr Kohary first developed his interest in non-conventional and highly customised Research IT when working part-time in an IT support role as the Adviser of the Materials Modelling Laboratory (MML) at the Department of Materials (University of Oxford). This job required to undertake IT management and administrative tasks; training staff and students in the use of computer facilities within the group and at Oxford; the installation, test, and implementation of complex scientific software; maintenance of a reliable and efficient local Linux computer network; and membership of the University IT committee overlooking the realisation of the Oxford Supercomputer Centre at the time. The variety and flavour of these jobs remains the core framework of Dr Kohary's Research IT professional development ever since.

Dr Kohary graduated with an MSc in Engineering Physics from the Budapest University of Technology and Economics (Hungary) and with a PhD in Natural Sciences (Theoretical Physics) from Philipps University Marburg (Germany). Between 2002 and 2008 Dr Kohary worked as Postdoctoral Research Assistant at the University of Oxford contributing to the research and development (R&D) of semiconductor data storage and display devices developed at Hewlett-Packard Labs (Palo Alto, California). Dr Kohary worked as a Researcher, Lecturer, and Associate Professor in the field of materials science and electronic engineering at the University of Exeter (2008-2016) and at Obuda University (2016-2018).

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  • Eager J, Reichelt D, Mayne N, Lambert F, Sergeev D, Ridgway R, Manners J, Boutle I, Lenton T, Kohary K. (2020) Implications of different stellar spectra for the climate of tidally--locked Earth-like exoplanets, Astronomy and Astrophysics.
  • Boutle I, joshi M, lambert H, Mayne N, lyster D, Manners J, Ridgway R, Kohary K. (2020) Mineral dust increases the habitability of terrestrial planets but confounds biomarker detection.
  • Drummond B, Hébrard E, Mayne N, Venot O, Ridgway R, Changeat Q, Tsai S-M, Manners J, Tremblin P, Abraham NL. (2020) Implications of three-dimensional chemical transport in hot Jupiter atmospheres: results from a consistently coupled chemistry-radiation-hydrodynamics model, ASTRONOMY & ASTROPHYSICS, volume 636, article no. A68, DOI:10.1051/0004-6361/201937153.
  • Yates JS, Palmer PI, Manners J, Boutle I, Kohary K, Mayne N, Abraham L. (2020) Ozone chemistry on tidally locked M dwarf planets, Monthly Notices of the Royal Astronomical Society, volume 492, no. 2, pages 1691-1705, DOI:10.1093/mnras/stz3520.






  • Hasan H, Kohary KI, Wright CD. (2015) A theoretical study of scaling behaviour of mushroom PCRAM devices using the Gillespie Cellular Automata Approach, European\Phase Change and Ovonics Symposium 2015, Amsterdam, 6th - 8th Sep 2015.





  • Kohary K, Gibson GA. (2010) Modelling photooxidation of CdSe-ZnS nanocrystals, HP Laboratories Technical Report, no. 140, pages 1-4.
  • Wright CD, Ashawaraya S, Ashwin P, Aziz MM, Hicken RJ, Kohary K, Liu Y, Marmier ASH, Shah P, Vazquez Diosdado J. (2010) Phase-change technologies: from PCRAM to probe-storage to processors, European Phase Change and Ovonics Science Symposium 2010. [PDF]
  • Kohary K, Wright CD. (2010) Kinetics of electric field enhanced crystallisation in phase-change materials, 16th International School on Condensed Matter Physics, Varna, 29th Aug - 3rd Sep 2010, J. Phys: Conf Series, volume 253, DOI:10.1088/1742-6596/253/1/012012.






  • Hegedus J, Kohary K, Kugler S. (2005) Light-induced volume changes in glassy selenium - II. Kinetics of volume expansion, JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS, volume 7, no. 5, pages 2231-2233. [PDF]
  • Hegedus J, Kohary K, Kugler S. (2005) Light-induced volume changes in amorphous selenium. Molecular dynamics simulation; sample preparation and excitation, JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS, volume 7, no. 1, pages 59-64. [PDF]
  • Kohary K, Burlakov VM, Pettifor DG, Nguyen-Manh D. (2005) Modeling In-Se amorphous alloys, PHYSICAL REVIEW B, volume 71, no. 18, article no. 184203, DOI:10.1103/PhysRevB.71.184203. [PDF]
  • Kohary K, Burlakov VM, Nguyen-Manh D, Pettifor DG. (2005) Modelling In-Se amorphous alloys, European\Phase Change and Ovonics Symposium 2005, Cambridge, United Kingdom, 3rd - 6th Sep 2005, online. [PDF]
  • Hegedüs J, Kohary K, Pettifor DG, Shimakawa K, Kugler S. (2005) Photoinduced volume changes in amorphous selenium, Phys Rev Lett, volume 95, no. 20, article no. 206803, DOI:10.1103/PhysRevLett.95.206803.
  • Kohary K, Burlakov VM, Pettifor DG. (2005) Modeling the amorphous-to-crystalline phase transformation in network materials, PHYSICAL REVIEW B, volume 71, no. 23, article no. 235309, DOI:10.1103/PhysRevB.71.235309. [PDF]








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