Egor Babaev

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Egor Babaev
Alma materUppsala University
AwardsTage Erlander Prize, Goran Gustafsson Prize, Fellow of the American Physical Society
Scientific career
FieldsPhysics, condensed matter theory Superconductivity
InstitutionsKTH Royal Institute of Technology, University of Massachusetts Amherst
Academic advisorsNeil Ashcroft, Ludwig Faddeev, Antti Niemi

Egor Babaev is Russian-born Swedish physicist. In 2001, he received his PhD in theoretical physics from Uppsala University (Sweden). In 2006 he joined the faculty of the KTH Royal Institute of Technology in Stockholm. In 2007-2013 he shared this position with a faculty appointment at Physics Department of the University of Massachusetts, Amherst (USA). He is currently full professor at the Physics Department KTH Royal Institute of Technology.[1]

He received multiple awards in recognition of his research on superconductivity and superfluidity. His results, obtained with several collaborators and students, include a theory of new types of superconducting states in multicomponent systems Type-1.5 superconductivity, [2] [3] [4](reviewed in [5]) theory of metallic and superconducting superfluids[6] and inter-component pairing induced by thermal fluctuation in multicomponent systems (reviewed in [7]), prediction, often referred as Babaev-Faddeev-Niemi hypothesis [8] of unconventional excitations in superconducting state: knotted solitons[9] also dubbed as Hopfions.

He is actively engaged in science communication to general public [10][11][12]. Currently he is serving as the co-organiser and chair of the selection committee of the Lise Meitner Distinguished Lecture, the general audience lecture taking place at AlbaNova University Center in Stockholm on annual basis. He coauthored the textbook on modern theory of superfluidity with Boris Svistunov and Nikolay Prokof'ev.[13]


Göran Gustafsson Prize in Physics from the Royal Swedish Academy of Sciences "For original theoretical research which has already shown new ways to understand complex systems and processes in materials physics"[14][15]

American Physical Society Fellow "For pioneering contributions to the theory of multicomponent superconductors and superfluids"[1]

Tage Erlander prize in Physics of the Royal Swedish Academy of Sciences "For groundbreaking theoretical work that predicts new states of matter in the form of quantum fluids with novel properties"[16]

Outstanding Young Researcher Award from Swedish Research Council

US National Science Foundation CAREER Award


  1. ^ "egor babaev's home page". Retrieved 2018-09-30.
  2. ^ "Superfluid States of Matter". CRC Press. 2015-04-15. Retrieved 2018-09-30.
  3. ^ Babaev, Egor; Speight, Martin (2005-11-17). "Semi-Meissner state and neither type-I nor type-II superconductivity in multicomponent superconductors". Physical Review B. 72 (18): 180502. arXiv:cond-mat/0411681. Bibcode:2005PhRvB..72r0502B. doi:10.1103/PhysRevB.72.180502.
  4. ^ "Physicists unveil a theory for a new kind of superconductivity". Retrieved 2018-09-30.
  5. ^ Babaev, E.; Carlström, J.; Silaev, M.; Speight, J.M. (2017-02-15). "Type-1.5 superconductivity in multicomponent systems". Physica C: Superconductivity and Its Applications. 533: 20–35. arXiv:1608.02211. Bibcode:2017PhyC..533...20B. doi:10.1016/j.physc.2016.08.003. ISSN 0921-4534.
  6. ^ Babaev, Egor; Sudbø, Asle; Ashcroft, N. W. (2004-10-07). "A superconductor to superfluid phase transition in liquid metallic hydrogen". Nature. 431 (7009): 666–668. arXiv:cond-mat/0410408. doi:10.1038/nature02910. ISSN 0028-0836. PMID 15470422.
  7. ^ "Superfluid States of Matter". CRC Press. 2015-04-15. Retrieved 2018-09-30.
  8. ^ "Grants on the web". Retrieved 2018-09-30.
  9. ^ Babaev, Egor; Faddeev, Ludvig D.; Niemi, Antti J. (2002-02-27). "Hidden symmetry and knot solitons in a charged two-condensate Bose system". Physical Review B. 65 (10): 100512. arXiv:cond-mat/0106152. Bibcode:2002PhRvB..65j0512B. doi:10.1103/PhysRevB.65.100512.
  10. ^ "New Type of Superconductivity Spotted". Science | AAAS. 2009-03-13. Retrieved 2018-09-30.
  11. ^ "Physicists unveil a theory for a new kind of superconductivity". Retrieved 2018-09-30.
  12. ^, Håkan Johansson |. "Varning: Ny superdator kan röja alla hemligheter (SvD Premium) | SvD". (in Swedish). Retrieved 2018-09-30.
  13. ^ "Superfluid States of Matter". CRC Press. 2015-04-15. Retrieved 2018-09-30.
  14. ^ "Press release of the Royal Swedish Academy of Science" (PDF).
  15. ^ "Video of the presentation".
  16. ^ "News release of the Royal Swedish Academy of Science".