Snezhana Abarzhi

Snezhana I. Abarzhi is an applied mathematician and theoretical physicist specializing in the dynamics of fluids and plasmas and their applications in nature and technology. Her research has revealed that instabilities elucidate dynamics of supernova blasts, and that supernovae explode more slowly and less turbulently than previously thought, changing the understanding of the mechanisms by which heavy atomic nuclei are formed in these explosions. Her works have found the mechanism of interface stabilization, the special self-similar class in interfacial mixing, and the fundamentals of Rayleigh-Taylor instabilities.

Education and career

Snezhana I. Abarzhi was born and raised in Vasilkov, a suburb of Kiev, in 1967, in the former Soviet Union, to a Bulgarian-Ukrainian family, the daughter of Ivan I. Abarzhi (a doctor of science and professor) and Maria I. Abarzhi (a school teacher and vice-principal). In 1984 after graduating high school with the gold medal of excellence, she pursued her higher education at the Moscow Institute of Physics and Technology (MIPT). This university is regarded as one of the most prestigious and rigorous technical universities in Russia, often compared to institutions like California Institute of Technology and Massachusetts Institute of Technology. At the MIPT Abarzhi earned bachelor's degrees in physics and applied mathematics and in molecular biology in 1987, accomplished the Landau's course in theoretical physics in 1988, and then earned a master's degree in physics and applied mathematics, summa cum laude, in 1990. She completed her doctorate in 1994 through the Landau Institute for Theoretical Physics and Kapitza Institute for Physical Problems of the Russian Academy of Sciences, supervised by Sergei I. Anisimov. Abarzhi's research has led her to join the Committee on Scientific Publications of the American Physical Society; (2022–2025). Snezhana Abarzhi is an organizer of conferences and programs on far from equilibrium dynamics of interfaces and turbulent mixing and beyond. Her ethic strengthens the leadership of Women in STEM. == Recognition ==

Recognition

In 2020 Abarzhi was named a Fellow of the American Physical Society (APS) following a nomination from the APS Division of Fluid Dynamics, "for deep and abiding work on the Rayleigh-Taylor and related instabilities, and for sustained leadership in that community". This recognizes her foundational scientific contributions and the important role in bringing researchers together, guiding scientific directions, organizing conferences, and mentoring others in the field. ==Selected publications==

Selected publications

• Abarzhi, Snezhana I.; Bhowmick, Aklant K.; Naveh, Annie; Pandian, Arun; Swisher, Nora C.; Stellingwerf, Robert F.; Arnett, W. David (26 November 2018), "Supernova, nuclear synthesis, fluid instabilities, and interfacial mixing", Proc. Natl. Acad. Sci. USA, 116 (37): 18184–18192. doi:10.1073/pnas.1714502115 (https://doi.org/10.1073/pnas.1714502115), PMC 6744890 (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6744890), PMID 30478062 (https://pubmed.ncbi.nlm.nih.gov/30478062). • Abarzhi, Snezhana I.; Ilyin, Daniil V.; Goddard, William A.; Anisimov, Sergei I. (6 August 2018), "Interface dynamics: Mechanisms of stabilization and destabilization and structure of flow fields", Proc. Natl. Acad. Sci. USA, 116 (37): 18218–18226. doi:10.1073/pnas.1714500115 (https://doi.org/10.1073/pnas.1714500115), PMC 6744915 (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6744915), PMID 30082395 (https://pubmed.ncbi.nlm.nih.gov/30082395). • Abarzhi, Snezhana I. (8 March 2010), "Review of theoretical modelling approaches of Rayleigh–Taylor instabilities and turbulent mixing", Phil. Trans. R. Soc. A, 368 (1916): 1809–1828. Bibcode:2010RSPTA.368.1809A (https://ui.adsabs.harvard.edu/abs/2010RSPTA.368.1809A), doi:10.1098/rsta.2010.0020 (https://doi.org/10.1098/rsta.2010.0020), PMID 20211884 (https://pubmed.ncbi.nlm.nih.gov/20211884), S2CID 38628393 (https://api.semanticscholar.org/CorpusID:38628393). • Abarzhi, Snezhana I. (13 July 1998), "Stable steady flows in Rayleigh–Taylor instability", Phys. Rev. Lett., 81 (2): 337–340. Bibcode:1998PhRvL..81..337A (https://ui.adsabs.harvard.edu/abs/1998PhRvL..81..337A), doi:10.1103/physrevlett.81.337 (https://doi.org/10.1103/physrevlett.81.337). • Abarzhi, Snezhana I.; Hill Desmond L.; Williams Kurt C., Li, Jiahe T., Remington Bruce A.; Martinez, David; Arnett W. David (8 March 2023), "Fluid dynamics mathematical aspects of supernova remnants", Phys. Fluids, 35: 034106. doi:10.1063/5.0123930 (https://doi.org/10.1063/5.0123930). • Abarzhi, Snezhana I.; Sreenivasan, Katepalli R. (14 November 2022), "Self-similar Rayleigh-Taylor mixing with accelerations varying in time and space", Proc. Natl. Acad. Sci. USA, 119 (47): e2118589119, doi:10.1073/pnas.2118589119 (https://doi.org/10.1073/pnas.2118589119). • Ilyin, Dan V.; Abarzhi, Snezhana I. (18 June 2022), "Interface dynamics under thermal heat flux, inertial stabilization and destabilizing acceleration", Springer Nat. Appl. Sci., 4: 197, doi:10.1007/s42452-022-05000-4 (https://doi.org/10.1007/s42452-022-05000-4). • Meshkov, Evgeny E.; Abarzhi, Snezhana I. (23 October 2019), "On Rayleigh-Taylor interfacial mixing", Fluid Dyn. Res., 51: 065502. doi:10.1088/1873-7005/ab3e83 (https://doi.org/10.1088/1873-7005/ab3e83). • Abarzhi, Snezhana I. (15 April 2024) "Perspective: group theory analysis and special self-similarity classes in Rayleigh–Taylor and Richtmyer–Meshkov interfacial mixing with variable accelerations", Rev. Mod. Plasma Phys., 8: 15. doi:10.1007/s41614-023-00142-3 (https://doi.org/10.1007/s41614-023-00142-3). • Abarzhi, Snezhana I.; Azechi, Hiroshi; Williams, Kurt C. (8 September 2025) "Physics of matter and Rayleigh–Taylor hydro mixing in high energy density plasmas", Phys. Fluids, 37: 092114. doi: 10.1063/5.0283113 (https://doi.org/10.1063/5.0283113). ==References==

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