Corresponding member of the RAS Sergey Vladimirovich Strel'tsov

Strel’tsov Sergey Vladimirovich is a specialist of theoretical description of strongly correlated electronic systems and computational methods in condensed matter physics.

 

Main results

A theory of orbital selective behavior has been developed. It was shown that a part of d-electrons is localized and participates in the formation of magnetic moments while the other turns out to be collectivized. This behavior significantly affects the electronic and magnetic properties of many transition metal compounds.

Minerals such as pyroxenes have been found to represent a new family of multiferroics. Their anomalous magnetic properties are described theoretically.

A concept of effective reduction of system dimension due to the orbital degrees of freedom is proposed. It was shown that due to this phenomenon compounds with a three-dimensional crystal structure behave like low-dimensional magnets.

A microscopic description of anomalous magnetic properties and mechanism of chemical stability under the giant pressure of FeO2 has been developed.

S.V. Streltsov is a head of laboratory at the department of theoretical physics and applied mathematics at the Ural Federal University. He teaches the course "Quantum Theory of Magnetism".

Sergey Vladimirovich is a member of the editorial board of "Journal of superconductivity and novel magnetism" (Springer Nature) and a member of the Joint Scientific Council of the Ural Branch of the RAS for physical and technical sciences.

 

Main publications

  1. Spin gap in Tl2Ru2O7: Haldane chains in three-dimensional crystal / S. Lee, J.-G. Park, D.T. Adroja, D. Khomskii, S. Streltsov, K.A. McEwen, H. Sakai, K. Yoshimura, V.I. Anisimov, D. Mori, R. Kanno, and R. Ibberson // Nature Materials. — 2006. — V. 5. — P. 471.
  2. CaCrO3: an anomalous antiferromagnetic metallic oxide / A.C. Komarek, S.V. Streltsov, M. Isobe, T. Moller, M. Hoelzel, A. Senyshyn, D. Trots, M.T. Fernandez-Diaz, T. Hansen, H. Gotou, T. Yagi, Y. Ueda, V.I. Anisimov, M. Grueninger, D.I. Khomskii, and M. Braden // Phys. Rev. Lett. — 2008. — V. 101. — P. 167204.      
  3. Covalent bonds against magnetism in transition metal compounds / S.V. Streltsov, D.I. Khomskii // Proceedings of the National Academy of Sciences of the United States of America. — 2016. — V. 113. — P. 10491 — 10496.
  4. Orbital physics in transition metal compounds: new trends / S.V. Streltsov, D.I. Khomskii // PHYSICS-USPEKHI. — 2017. — V. 60. — P. 1121 — 1147.
  5. Unexpected 3+ valence of iron in FeO2, a geologically important material lying “in between” oxides and peroxides / S. Streltsov, A. Shorikov, S. Skornyakov, A. Poteryaev, D. Khomskii // Scientific Reports. — 2017. — V. 7. — P. 13005 — 13010.
  6. Old puzzle of incommensurate crystal structure of calaverite AuTe2 and predicted stability of novel AuTe compound / S.V. Streltsov, V.V. Roizen, A.V. Ushakov, A.R. Oganov, D.I. Khomskii // Proceedings of the National Academy of Sciences of the United States of America. — 2018. — V. 115. — P. 9945 — 9950.
  7. Resonant inelastic x-ray incarnation of Young’s double-slit experiment / A. Revelli, M. Moretti Sala, G. Monaco, P. Becker, L. Bohatý, M. Hermanns, T.C. Koethe, T. Fröhlich, P. Warzanowski, T. Lorenz, S.V. Streltsov, P.H.M. van Loosdrecht, D.I. Khomskii, J. van den Brink, M. Grüninger // Science Advances. — 2019. — V. 5. — P. 4020 — 4025.

 

The complete list of works by S.V. Streltsov can be found on the personal page.