Ultrafast optical spectroscopy of strongly correlated materials and high-temperature superconductors: a non-equilibrium approach
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 …
studies to crucial tools for expanding our understanding of the physics of strongly correlated …
Ground state and finite temperature lanczos methods
P Prelovšek, J Bonča - Strongly Correlated Systems: Numerical Methods, 2013 - Springer
The present review will focus on recent development of exact-diagonalization (ED) methods
that use Lanczos algorithm to transform large sparse matrices onto the tridiagonal form. We …
that use Lanczos algorithm to transform large sparse matrices onto the tridiagonal form. We …
Eigenstate thermalization and quantum chaos in the Holstein polaron model
The eigenstate thermalization hypothesis (ETH) is a successful theory that provides
sufficient criteria for ergodicity in quantum many-body systems. Most studies were carried …
sufficient criteria for ergodicity in quantum many-body systems. Most studies were carried …
Theory of light-enhanced phonon-mediated superconductivity
We investigate the dynamics of a phonon-mediated superconductor driven out of
equilibrium. The electronic hopping amplitude is ramped down in time, resulting in an …
equilibrium. The electronic hopping amplitude is ramped down in time, resulting in an …
Ultrafast Doublon Dynamics in Photoexcited -
Strongly correlated materials exhibit intriguing properties caused by intertwined microscopic
interactions that are hard to disentangle in equilibrium. Employing nonequilibrium time …
interactions that are hard to disentangle in equilibrium. Employing nonequilibrium time …
A unification of the Holstein polaron and dynamic disorder pictures of charge transport in organic crystals
We present a unified and nonperturbative method for calculating spectral and transport
properties of Hamiltonians with simultaneous Holstein (diagonal) and Peierls (off-diagonal) …
properties of Hamiltonians with simultaneous Holstein (diagonal) and Peierls (off-diagonal) …
Dynamic properties of a polaron coupled to dispersive optical phonons
J Bonča, SA Trugman - Physical Review B, 2021 - APS
We study static and dynamic properties of an electron coupled to dispersive quantum optical
phonons in the framework of the Holstein model defined on a one-dimensional lattice …
phonons in the framework of the Holstein model defined on a one-dimensional lattice …
Real-time dynamics of an impurity in an ideal Bose gas in a trap
AG Volosniev, HW Hammer, NT Zinner - Physical Review A, 2015 - APS
We investigate the behavior of a harmonically trapped system consisting of an impurity in a
dilute ideal Bose gas after the boson-impurity interaction is suddenly switched on. As a …
dilute ideal Bose gas after the boson-impurity interaction is suddenly switched on. As a …
Interaction quench in the Holstein model: Thermalization crossover from electron-to phonon-dominated relaxation
We study the relaxation of the Holstein model after a sudden switch-on of the interaction by
means of the nonequilibrium dynamical mean field theory, with the self-consistent Migdal …
means of the nonequilibrium dynamical mean field theory, with the self-consistent Migdal …
Matrix-product-state method with a dynamical local basis optimization for bosonic systems out of equilibrium
C Brockt, F Dorfner, L Vidmar, F Heidrich-Meisner… - Physical Review B, 2015 - APS
We present a method for simulating the time evolution of one-dimensional correlated
electron-phonon systems which combines the time-evolving block decimation algorithm with …
electron-phonon systems which combines the time-evolving block decimation algorithm with …