173 citations · 1.2k across the 18 of their papers we have counts for
18 papers
Proximity Eliashberg theory of electrostatic field-effect-doping in superconducting films
G. A. Ummarino, E. Piatti, D. Daghero +4
We calculate the effect of a static electric field on the critical temperature of a s-wave one band superconductor in the framework of proximity effect Eliashberg theory. In the we…
Inelastic Decay of Electrons in the Shockley-type Metal-Organic Interface States
S. S. Tsirkin, N. L. Zaitsev, I. A. Nechaev +3
We present a theoretical study of lifetimes of interface states (IS) on metal-organic interfaces PTCDA/Ag(111), NTCDA/Ag(111), PFP/Ag(111), and PTCDA/Ag(100), describing and explai…
Ab initio lattice dynamics and electron-phonon coupling of Bi(111)
M. Alcántara Ortigoza, I. Yu. Sklyadneva, R. Heid +4
We present a comprehensive ab initio study of structural, electronic, lattice dynamical and electron-phonon coupling properties of the Bi(111) surface within density functional per…
Strong ferromagnetism at the surface of an antiferromagnet caused by buried magnetic moments
Alla Chikina, Marc Höppner, Silvia Seiro +13
Carrying a large, pure spin magnetic moment of 7 bohr/atom in the half-filled 4f shell, divalent europium is an outstanding element for assembling novel magnetic devices in whic…
Phase Transitions Driven by QuasiParticle Interactions
Norman H. March, Richard H. Squire
Quasiparticles and collective effects may have seemed exotic when first proposed in the 1930s, but their status has blossomed with their confirmation by todays sophisticated experi…
The quasiparticle band gap in the topological insulator Bi2Te3
I. A. Nechaev, E. V. Chulkov
We present a theoretical study of dispersion of states which form the bulk band-gap edges in the three-dimensional topological insulator Bi2Te3. Within density functional theory, w…
Magnetic proximity effect in the 3D topological insulator/ferromagnetic insulator heterostructure
V. N. Men'shov, V. V. Tugushev, S. V. Eremeev +2
We theoretically study the magnetic proximity effect in the three dimensional (3D) topological insulator/ferromagnetic insulator (TI/FMI) structures in the context of possibility t…
Magnetic proximity effect at the 3D topological insulator/magnetic insulator interface
S. V. Eremeev, V. N. Men'shov, V. V. Tugushev +2
The magnetic proximity effect is a fundamental feature of heterostructures composed of layers of topological insulators and magnetic materials since it underlies many potential app…
New interpretation of the origin of 2DEG states at the surface of layered topological insulators
S. V. Eremeev, T. V. Menshchikova, M. G. Vergniory +1
On the basis of relativistic ab-initio calculations we show that the driving mechanism of simultaneous emergence of parabolic and M-shaped 2D electron gas (2DEG) bands at the surfa…
First principles quasiparticle damping rates in bulk lead
X. Zubizarreta, V. M. Silkin, E. V. Chulkov
First principles calculations of the damping rates (inverse inelastic lifetimes) of low energy quasiparticles in bulk Pb are presented. Damping rates are obtained both for excited…
Role of elastic scattering in electron dynamics at ordered alkali overlayers on Cu(111)
C. Corriol, V. M. Silkin, D. Sanchez-Portal +7
Scanning tunneling spectroscopy of p(2x2) Cs and Na ordered overlayers on Cu(111) reveals similar line widths of quasi two-dimensional quantum well states despite largely different…
The role of surface plasmons in the decay of image-potential states on silver surfaces
A. Garcia-Lekue, J. M. Pitarke, E. V. Chulkov +2
The combined effect of single-particle and collective surface excitations in the decay of image-potential states on Ag surfaces is investigated, and the origin of the long-standing…
Role of bulk and surface phonons in the decay of metal surface states
A. Eiguren, B. Hellsing, F. Reinert +5
We present a comprehensive theoretical investigation of the electron-phonon contribution to the lifetime broadening of the surface states on Cu(111) and Ag(111), in comparison with…
Surface-state electron dynamics in noble metals
P. M. Echenique, J. Osma, M. Machado +3
Theoretical investigations of surface-state electron dynamics in noble metals are reported. The dynamically screened interaction is computed, within many-body theory, by going beyo…
First-principles calculations of hot-electron lifetimes in metals
I. Campillo, V. M. Silkin, J. M. Pitarke +3
First-principles calculations of the inelastic lifetime of low-energy electrons in Al, Mg, Be, and Cu are reported. Quasiparticle damping rates are evaluated from the knowledge of…
Self-energy of image states on copper surfaces
I. Sarria, J. Osma, E. V. Chulkov +2
We report extensive calculations of the imaginary part of the electron self-energy in the vicinity of the (100) and (111) surfaces of Cu. The quasiparticle self-energy is computed…
Role of the intrinsic surface state in the decay of image states at a metal surface
J. Osma, I. Sarria, E. V. Chulkov +2
The role of the intrinsic surface state () in the decay of the first image state () at the (111) surface of copper is investigated. Inelastic linewidths are evaluated fro…
Lifetimes of image-potential states on copper surfaces
E. V. Chulkov, I. Sarria, V. M. Silkin +2
The lifetime of image states, which represent a key quantity to probe the coupling of surface electronic states with the solid substrate, have been recently determined for quantum…