Search Results - "Nekrasov, I. A"

Kinks in the dispersion of strongly correlated electrons by Byczuk, K, Kollar, M, Held, K, Yang, Y.-F, Nekrasov, I. A, Pruschke, Th, Vollhardt, D

“…The properties of condensed matter are determined by single-particle and collective excitations and their mutual interactions. These quantum-mechanical…”
Get full text

On the origin of the shallow and “replica” bands in FeSe monolayer superconductors by Nekrasov, I. A., Pavlov, N. S., Sadovskii, M. V.

“…We compare the electronic structures of single FeSe layer films on SrTiO 3 substrate (FeSe/STO) and K x Fe 2- y Se 2 superconductors obtained from extensive…”
Get full text

Electronic Structure of FeSe Monolayer Superconductors: Shallow Bands and Correlations by Nekrasov, I. A., Pavlov, N. S., Sadovskii, M. V.

“…Electronic spectra of typical single FeSe layer superconductor—FeSe monolayer film on SrTiO 3 substrate (FeSe/STO) obtained from ARPES data reveal several…”
Get full text

The prominent 5d-orbital contribution to the conduction electrons in gold by Sekiyama, A, Yamaguchi, J, Higashiya, A, Obara, M, Sugiyama, H, Kimura, M Y, Suga, S, Imada, S, Nekrasov, I A, Yabashi, M, Tamasaku, K, Ishikawa, T

Get full text

Pseudogaps in strongly correlated metals: A generalized dynamical mean-field theory approach by Sadovskii, M. V., Nekrasov, I. A., Kuchinskii, E. Z., Pruschke, Th, Anisimov, V. I.

Get full text

Mutual experimental and theoretical validation of bulk photoemission spectra of Sr1-xCaxVO3 by Sekiyama, A, Fujiwara, H, Imada, S, Suga, S, Eisaki, H, Uchida, S I, Takegahara, K, Harima, H, Saitoh, Y, Nekrasov, I A, Keller, G, Kondakov, D E, Kozhevnikov, A V, Pruschke, Th, Held, K, Vollhardt, D, Anisimov, V I

“…We report high-resolution high-energy photoemission spectra together with parameter-free LDA + DMFT (local density approximation + dynamical mean-field theory)…”
Get full text

Investigation of the magnetocaloric effect in correlated metallic systems with Van Hove singularities in the electron spectrum by Igoshev, P. A., Kokorina, E. E., Nekrasov, I. A.

“…In this work, the magnetic contribution to the isothermal entropy change Δ S upon switching on a magnetic field has been investigated in correlated metallic…”
Get full text

Pressurized Phase Transitions Cascade in BaMn2P2 and BaMn2As2 by Pavlov, N. S., Shein, I. R., Nekrasov, I. A.

“…The structural analogue of iron-based superconductors the BaMn 2 P 2 and BaMn 2 As 2 compounds under hydrostatic pressure upto 140 GPa were studied within the…”
Get full text

Quantitative Comparison of LDA + DMFT and ARPES Spectral Functions by Nekrasov, I. A., Pavlov, N. S.

“…The emergence of angle-resolved photoemission spectroscopy (ARPES) made it possible to observe electronic dispersion directly as a spectral function map. On…”
Get full text

Electronic Structure of InCo2As2 and KInCo4As4: LDA + DMFT by Pavlov, N. S., Shein, I. R., Pervakov, K. S., Nekrasov, I. A.

“…A comparative analysis of the electronic structure obtained in the DFT/LDA and LDA + DMFT approaches of the possible isostructural analogues of iron…”
Get full text

Anatomy of the Band Structure of the Newest Apparent Near-Ambient Superconductor LuH3 –xNx by Pavlov, N. S., Shein, I. R., Pervakov, K. S., Pudalov, V. M., Nekrasov, I. A.

“…Recently it was claimed that nitrogen-doped lutetium hydride exhibited a near-ambient superconducting transition with a temperature of 294 K at a pressure of…”
Get full text

Dynamical Mean-Field Theory and Its Applications to Real Materials by Vollhardt, D., Held, K., Keller, G., Bulla, R., Pruschke, Th, A. Nekrasov, I., I. Anisimov, V.

“…Dynamical mean-field theory (DMFT) is a non-perturbative technique for the investigation of correlated electron systems. Its combination with the local density…”
Get full text

Spectral and magnetic properties of alpha- and gamma-Ce from dynamical mean-field theory and local density approximation by Zölfl, M B, Nekrasov, I A, Pruschke, T, Anisimov, V I, Keller, J

“…We present excitation spectra for Ce metal obtained with an ab initio scheme combining local density approximation and dynamical mean-field theory including…”
Get full text

Band Structure of Tungsten Oxide W20O58 with Ideal Octahedra by Korshunov, M. M., Nekrasov, I. A., Pavlov, N. S., Slobodchikov, A. A.

“…The band structure, density of states, and the Fermi surface of a tungsten oxide WO 2.9 with idealized crystal structure (ideal octahedra WO 6 creating a…”
Get full text

Erratum to: Consistent LDA’ + DMFT—an Unambiguous Way to Avoid Double Counting Problem: NiO Test by Nekrasov, I. A., Pavlov, N. S., Sadovskii, M. V.

“…The name of the second author should read N. S. Pavlov…”
Get full text

Electronic structure of prototype AFe2As2 and ReOFeAs high-temperature superconductors: A comparison by Nekrasov, I. A., Pchelkina, Z. V., Sadovskii, M. V.

“…We have performed ab initio LDA calculations of the electronic structure of newly discovered prototype high-temperature superconductors AFe 2 As 2 (A = Ba, Sr)…”
Get full text

Structural and dynamic distribution patterns of oil fields in the central part of the Volga-Ural anteclise by Kolodyazhny, S. Yu, Nekrasov, A. I.

“…Tectonical and development features of the central part of the Volga-Ural anteclise and the Sura-Kama (SK) shear zone are considered in connection with the…”
Get full text

Realistic investigations of correlated electron systems with LDA + DMFT by Held, K., Nekrasov, I. A., Keller, G., Eyert, V., Blümer, N., McMahan, A. K., Scalettar, R. T., Pruschke, Th, Anisimov, V. I., Vollhardt, D.

“…Conventional band structure calculations in the local density approximation (LDA) [1–3] are highly successful for many materials, but miss important aspects of…”
Get full text

Pseudogap behavior in Bi2Ca2SrCu2O8: Results of the generalized dynamical mean-field approach by Kuchinskii, E. Z., Nekrasov, I. A., Pchelkina, Z. V., Sadovskii, M. V.

“…Pseudogap phenomena are observed for the normal underdoped phase of different high-Tc cuprates. Among others, the Bi2Sr2CaCu2O8 − δ (Bi2212) compound is one of…”
Get full text

Pressure-Induced Decrease in the Curie Temperature of Gd2Fe17: LSDA+U Calculations by Igoshev, P. A., Kokorina, E. E., Medvedev, M. V., Nekrasov, I. A.

“…To explain the magnetic properties of advanced ferromagnetic intermetallic compounds of the R 2 Fe 17 (R is a rare-earth element) class, experimentalists often…”
Get full text