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Sergey Y. Savrasov
Researcher at University of California, Davis
Publications - 113
Citations - 23463
Sergey Y. Savrasov is an academic researcher from University of California, Davis. The author has contributed to research in topics: Topological insulator & Electronic structure. The author has an hindex of 34, co-authored 112 publications receiving 19950 citations. Previous affiliations of Sergey Y. Savrasov include Rutgers University & New Jersey Institute of Technology.
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Floquet Weyl semimetal induced by topological phase transitions
TL;DR: In this paper, the effect of a time-periodical electromagnetic field on magnetic 3D topological insulators by using Floquet theory was investigated, and it was found that the external field can change the topology of the undriven system by renormalizing its Dirac mass, leading to a new Weyl semimetal phase.
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Emergence of excitonic superfluid at topological-insulator surfaces
Yasen Hou,Rui Wang,Rui Xiao,Luke McClintock,Henry Clark Travaglini,John P. Francia,Harry Fetsch,Onur Erten,Sergey Y. Savrasov,Baigeng Wang,Antonio Rossi,Inna Vishik,Eli Rotenberg,Dong Yu +13 more
TL;DR: In this paper, the authors reported experimental evidence of excitonic superfluid phase on the surface of three-dimensional (3D) TIs and unambiguously confirmed that electrons and holes are paired into charge neutral bound states by the electric field independent photocurrent distributions.
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Electron-Phonon Superconductivity Near Charge Density Wave Instability in LaO$_{0.5}$F$_{0.5}$BiS$_{2}$
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Correlation-driven renormalization of topological features in the CeTX$_3$ series
TL;DR: In this paper, the electronic properties of the inversion-broken CeTX$_3$ heavy-fermion compounds were studied and the topological nodal lines as well as Dirac and Weyl points were found.
Journal ArticleDOI
Electronic Structure and Magnetic Properties of Solids
Sergey Y. Savrasov,A. Toropova,Mikhail I. Katsnelson,Alexander I. Lichtenstein,V. Antropov,Gabriel Kotliar +5 more
TL;DR: In this article, basic computational techniques for simulations of various magnetic properties of solids are presented for illustrative purposes and applications to compute magnetic anisotropy energy, spin wave spectra, magnetic susceptibilities and tempera-ture dependent magnetisations for a number of real sys- tems are presented.