Ultrafast optical spectroscopy of strongly correlated materials and high-temperature superconductors: a non-equilibrium approach

C Giannetti, M Capone, D Fausti, M Fabrizio… - Advances in …, 2016 - Taylor & Francis
In the last two decades non-equilibrium spectroscopies have evolved from avant-garde
studies to crucial tools for expanding our understanding of the physics of strongly correlated …

Fröhlich polaron and bipolaron: recent developments

JT Devreese, AS Alexandrov - Reports on Progress in Physics, 2009 - iopscience.iop.org
It is remarkable how the Fröhlich polaron, one of the simplest examples of a Quantum Field
Theoretical problem, as it basically consists of a single fermion interacting with a scalar Bose …

[BOOK][B] Advances in polaron physics

AS Alexandrov, JT Devreese - 2010 - Springer
While basic features of polarons were well recognized a long time ago and have been
described in a number of review papers and textbooks, interest in the role of electron …

Quantum jamming transition to a correlated electron glass in 1T-TaS2

YA Gerasimenko, I Vaskivskyi, M Litskevich, J Ravnik… - Nature materials, 2019 - nature.com
Distinct many-body states may be created under non-equilibrium conditions through
different ordering paths, even when their constituents are subjected to the same …

Electron-Phonon Coupling in High-Temperature Cuprate Superconductors<? format?> Determined from Electron Relaxation Rates

C Gadermaier, AS Alexandrov, VV Kabanov, P Kusar… - Physical review …, 2010 - APS
We determined electronic relaxation times via pump-probe optical spectroscopy using sub-
15 fs pulses for the normal state of two different cuprate superconductors. We show that the …

Reversible to irreversible transitions in periodic driven many-body systems and future directions for classical and quantum systems

C Reichhardt, I Regev, K Dahmen, S Okuma… - Physical Review …, 2023 - APS
Reversible to irreversible (R-IR) transitions arise in numerous periodically driven collectively
interacting systems that, after a certain number of driving cycles, organize into a reversible …

[HTML][HTML] Jahn–Teller physics and high-Tc superconductivity

H Keller, A Bussmann-Holder, KA Müller - Materials Today, 2008 - Elsevier
The discovery of high-temperature superconductivity in copper oxides was not accidental,
but was based on the knowledge that the divalent copper ion, Cu2+, is one of the strongest …

Superlight small bipolarons in the presence of a strong coulomb repulsion

JP Hague, PE Kornilovitch, JH Samson… - Physical review letters, 2007 - APS
We study a lattice bipolaron on a staggered triangular ladder and triangular and hexagonal
lattices with both long-range electron-phonon interaction and strong Coulomb repulsion …

Structural transitions, melting, and intermediate phases for stripe-and clump-forming systems

CJ Olson Reichhardt, C Reichhardt, AR Bishop - Physical Review E—Statistical …, 2010 - APS
We numerically examine the properties of a two-dimensional system of particles which have
competing long-range repulsive and short-range attractive interactions as a function of …

Phase coexistence and resistivity near the ferromagnetic transition of manganites

AS Alexandrov, AM Bratkovsky, VV Kabanov - Physical review letters, 2006 - APS
Pairing of oxygen holes into heavy bipolarons in the paramagnetic phase and their magnetic
pair breaking in the ferromagnetic phase (the so-called current-carrier density collapse) has …