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20072026
most citedLifshitz quantum phase transitions and Fermi surface transformation with hole doping in high- superconductors

21 citations · 107 across the 14 of their papers we have counts for

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cond-mat.str-el2025

Evolution of the pseudogap band structure in a system of electron-correlated lattice polarons

E. I. Shneyder, M. V. Zotova, A. V. Dudarev +2

The evolution of the role of lattice vibrations in the formation of the pseudogap state in strongly correlated electron systems has been investigated concerning changes in the elec…

cond-mat.str-el2021

Phonon-assisted insulator-metal transitions in correlated systems driven by doping

E. I. Shneyder, M. V. Zotova, S. V. Nikolaev +1

We consider how electron-phonon interaction influences the insulator-metal transitions driven by doping in the strongly correlated system. Using the polaronic version of the genera…

cond-mat.str-el2020★ 17 cited

Polaron transformations in the realistic model of the strongly correlated electron system

E. I. Shneyder, S. V. Nikolaev, M. V. Zotova +2

Electron-phonon coupling, diagonal in a real space formulation, leads to polaron paradigm of smoothly varying properties. However, fundamental changes, namely the singular behavior…

cond-mat.str-el2018★ 13 cited

Effect of CuO2 lattice strain on the electronic structure and properties of high-Tc cuprate family

Ilya Makarov, Vladimir Gavrichkov, Elena Shneyder +4

Doping and strain dependences of the electronic structure of the CuO6-octahedra layer within LDA+GTB method in the frameworks of six-band p-d model are calculated. Band structure a…

cond-mat.str-el2015★ 1 cited

Magnetic mechanisms of pairing in strongly correlated electron system of copper oxides

S. G. Ovchinnikov, I. A. Makarov, E. I. Shneyder +3

The multielectron LDA+GTB approach has been developed to calculate electronic structure of strongly correlated cuprates. At low energies the effective Hamiltonian of the $t - t' -…

cond-mat.str-el2015★ 17 cited

Polaronic approach to strongly correlated electron system with strong electron-phonon interaction

I. A. Makarov, E. I. Shneyder, P. A. Kozlov +1

The three band p-d model of strongly correlated electrons interacting with optical phonon via diagonal and off-diagonal electron-phonon interaction is considered within cluster per…

cond-mat.str-el2014★ 3 cited

General analysis of the ARPES line shape for strongly correlated electron systems

S. G. Ovchinnikov, E. I. Shneyder, A. A. Kordyuk

In many cases the standard perturbation approach appears to be too simple to describe precisely the angle resolved photoemission spectrum of strongly correlated electron system. In…

cond-mat.str-el2013

Density Functional Theory and Generalized Tight-Binding combined method for Hubbard fermion-phonon coupling study in strongly correlated LSCO-system

J. Spitaler, E. I. Shneyder, E. E. Kokorina +4

We present ab initio results for the electron-phonon interaction of the Γ-point phonons in the tetragonal high-temperature phase of La2CuO4. Eigenfrequencies and eigenvectors for t…

cond-mat.str-el2012★ 12 cited

Cuprates, Manganites, and Cobaltites: Multielectron Approach to the Band Structure

M. M. Korshunov, S. G. Ovchinnikov, E. I. Shneyder +4

High- superconductors with CuO layers, manganites LaSrMnO, and cobaltites LaCoO present several mysteries in their physical properties. Most of them ar…

cond-mat.str-el2009★ 21 cited

Lifshitz quantum phase transitions and Fermi surface transformation with hole doping in high- superconductors

S. G. Ovchinnikov, M. M. Korshunov, E. I. Shneyder

We study the doping evolution of the electronic structure in the normal phase of high- cuprates. Electronic structure and Fermi surface of cuprates with single CuO layer i…

cond-mat.str-el2009★ 18 cited

From underdoped to overdoped cuprates: two quantum phase transitions

S. G. Ovchinnikov, E. I. Shneyder, M. M. Korshunov

Several experimental and theoretical studies indicate the existence of a critical point separating the underdoped and overdoped regions of the high-T_c cuprates' phase diagram. The…