Oleg Ruchayskiy

Oleg Ruchayskiy

Associate Professor


  1. Unidentified line in X-ray spectra of the andromeda galaxy and perseus galaxy cluster

    Boyarsky, A., Ruchayskiy, Oleg, Iakubovskyi, D. & Franse, J., 15 Dec 2014, In: Physical Review Letters. 113, 25, 251301.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Sterile neutrino Dark Matter

    Boyarsky, A., Drewes, M., Lasserre, T., Mertens, S. & Ruchayskiy, Oleg, 2 Jan 2019, In: Progress in Particle and Nuclear Physics. 104, p. 1-45

    Research output: Contribution to journalReviewResearchpeer-review

  3. Published

    Probing the nature of dark matter with deep XMM-Newton observations of the dwarf spheroidal galaxies

    Boyarsky, A. & Ruchayskiy, Oleg, Mar 2017, In: Astronomische Nachrichten. 338, 2-3, p. 287-292

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Improved big bang nucleosynthesis constraints on heavy neutral leptons

    Boyarsky, A., Ovchynnikov, M., Ruchayskiy, Oleg & Syvolap, 16 Jul 2021, In: Physical Review D. 104, 2, 13 p., 023517.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Equilibration of the chiral asymmetry due to finite electron mass in electron-positron plasma

    Boyarsky, A., Cheianov, V. V., Ruchayskiy, Oleg & Sobol, O., 11 Jan 2021, In: Physical Review D. 103, 1, 39 p., 013003.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Checking the Dark Matter Origin of a 3.53 keV Line with the Milky Way Center

    Boyarsky, A., Franse, J., Iakubovskyi, D. & Ruchayskiy, Oleg, 14 Oct 2015, In: Physical Review Letters. 115, 16, 161301.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    21-cm observations and warm dark matter models

    Boyarsky, A., Iakubovskyi, D., Ruchayskiy, Oleg, Rudakovskyi, A. & Valkenburg, W., 9 Dec 2019, In: Physical Review D. 100, 12, 8 p., 123005.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Evolution of the Primordial Axial Charge across Cosmic Times

    Boyarsky, A., Cheianov, V. V., Ruchayskiy, Oleg & Sobol, O., 11 Jan 2021, In: Physical Review Letters. 126, 2, 6 p., 021801.

    Research output: Contribution to journalLetterResearchpeer-review

  9. Published

    Hadronic decays of a light Higgs-like scalar

    Boyarsky, A., Ruchayskiy, Oleg & Monin, A., 10 Jan 2019, In: Physical Review D. 99, 19 p., 015019.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Technical comment on the paper of Dessert et al. "The dark matter interpretation of the 3.5 keV line is inconsistent with blank-sky observations"

    Boyarsky, A., Malyshev, D., Ruchayskiy, Oleg & Savchenko, D., 4 May 2021, In: SciPost Astronomy Core. 1, 1, 6 p., 001.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Magnetohydrodynamics of chiral relativistic fluids

    Boyarsky, A., Fröhlich, J. & Ruchayskiy, Oleg, 11 Aug 2015, In: Physical Review D. 92, 4, 043004.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    The Turbulent Chiral Magnetic Cascade in the Early Universe

    Brandenburg, A., Schober, J., Rogachevskii, I., Kahniashvili, T., Boyarsky, A., Frohlich, J., Ruchayskiy, Oleg & Kleeorin, N., 20 Aug 2017, In: The Astrophysical Journal Letters. 845, 2, L21.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    RADIAL PROFILE OF THE 3.5 keV LINE OUT TO R-200 IN THE PERSEUS CLUSTER

    Franse, J., Bulbul, E., Foster, A., Boyarsky, A., Markevitch, M., Bautz, M., Iakubovskyi, D., Loewenstein, M., McDonald, M., Miller, E., Randall, S. W., Ruchayskiy, Oleg & Smith, R. K., 1 Oct 2016, In: Astrophysical Journal. 829, 2, 124.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    The Lyman-alpha forest as a diagnostic of the nature of the dark matter

    Garzilli, A., Magalich, A., Theuns, T., Frenk, C. S., Weniger, C., Ruchayskiy, Oleg & Boyarsky, A., Nov 2019, In: Monthly Notices of the Royal Astronomical Society. 489, 3, p. 3456-3471 16 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Cutoff in the Lyman-alpha forest power spectrum: Warm IGM or warm dark matter?

    Garzilli, A., Boyarsky, A. & Ruchayskiy, Oleg, 10 Oct 2017, In: Physics Letters B. 773, p. 258-264

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    How to constrain warm dark matter with the Lyman-α forest

    Garzilli, A., Magalich, A., Ruchayskiy, Oleg & Boyarsky, A., 23 Jan 2021, In: Monthly Notices of the Royal Astronomical Society. 502, p. 2356-2363 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Anomalous Maxwell equations for inhomogeneous chiral plasma

    Gorbar, E. V., Shovkovy, I. A., Vilchinskii, S., Rudenok, I., Boyarsky, A. & Ruchayskiy, Oleg, 18 May 2016, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 93, 10, 105028.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Galaxy formation in semi-analytic models with sterile neutrino dark matter

    Lovell, M. R., Bose, S., Boyarsky, A., Cole, S., Frenk, C., Gonzalez-Perez, V., Kennedy, R., Ruchayskiy, Oleg & Smith, A., 1 Jan 2018, 14th Marcel Grossman Meeting On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories, Proceedings. Ruffini, R., Bianchi, M., Ruffini, R. & Jantzen, R. T. (eds.). World Scientific Publishing Co. Pte. Ltd., p. 2441-2446 6 p. (14th Marcel Grossman Meeting On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories, Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  19. Decaying dark matter: The case for a deep X-ray observation of Draco

    Lovell, M. R., Bertone, G., Boyarsky, A., Jenkins, A. & Ruchayskiy, Oleg, 1 Jan 2015, In: Monthly Notices of the Royal Astronomical Society. 451, 2, p. 1573-1585 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Satellite galaxies in semi-analytic models of galaxy formation with sterile neutrino dark matter

    Lovell, M. R., Bose, S., Boyarsky, A., Cole, S., Frenk, C. S., Gonzalez-Perez, V., Kennedy, R., Ruchayskiy, Oleg & Smith, A., 7 Jun 2016, In: Monthly Notices of the Royal Astronomical Society. 461, 1, p. 60-72

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Addressing the too big to fail problem with baryon physics and sterile neutrino dark matter

    Lovell, M. R., Gonzalez-Perez, V., Bose, S., Boyarsky, A., Cole, S., S. Frenk, C. & Ruchayskiy, Oleg, 14 Mar 2017, In: Monthly Notices of the Royal Astronomical Society. 468, 3, p. 2836-2849

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Properties of Local Group galaxies in hydrodynamical simulations of sterile neutrino dark matter cosmologies

    Lovell, M. R., Bose, S., Boyarsky, A., A. Crain, R., S. Frenk, C., Hellwing, W. A., Ludlow, A. D., Navarro, J. F., Ruchayskiy, Oleg, Sawala, T., Schaller, M., Schaye, J. & Theuns, T., 16 Mar 2017, In: Monthly Notices of the Royal Astronomical Society. 468, 4, p. 4285-4298

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Laminar and Turbulent Dynamos in Chiral Magnetohydrodynamics. I. Theory

    Rogachevskii, I., Ruchayskiy, Oleg, Boyarsky, A., Frohlich, J., Kleeorin, N., Brandenburg, A. & Schober, J., 10 Sep 2017, In: Astrophysical Journal. 846, 2, 153.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Searching for decaying dark matter in deep XMM-Newton observation of the Draco dwarf spheroidal

    Ruchayskiy, Oleg, Boyarsky, A., Iakubovskyi, D., Bulbul, E., Eckert, D., Franse, J., Malyshev, D., Markevitch, M. & Neronov, A., 1 Aug 2016, In: Monthly Notices of the Royal Astronomical Society. 460, p. 1390-1398 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Lepton number survival in the cosmic neutrino background

    Ruchayskiy, Oleg, Syvolap, V. & Würsch, R., 1 Dec 2023, In: Physical Review D. 108, 12, 6 p., 123503.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 124404360