196 citations · 1.2k across the 42 of their papers we have counts for
43 papers
Deep Neural Networks as Variational Solutions for Correlated Open Quantum Systems
Johannes Mellak, Enrico Arrigoni, Wolfgang von der Linden
In this work we apply deep neural networks to find the non-equilibrium steady state solution to correlated open quantum many-body systems. Motivated by the ongoing search to find m…
Quantum Transport in Open Spin Chains using Neural-Network Quantum States
Johannes Mellak, Enrico Arrigoni, Thomas Pock +1
In this work we study the treatment of asymmetric open quantum systems with neural networks based on the restricted Boltzmann machine. In particular, we are interested in the non-e…
In-silico synthesis of lowest-pressure high- ternary superhydrides
Roman Lucrezi, Simone Di Cataldo, Wolfgang von der Linden +2
We report the theoretical prediction of two high-performing hydride superconductors BaSiH and SrSiH. They are thermodynamically stable above pressures of and $174\,\t…
Analysis of femtosecond pump-probe photoelectron-photoion coincidence measurements applying Bayesian probability theory
M. Rumetshofer, P. Heim, B. Thaler +3
Ultrafast dynamical processes in photoexcited molecules can be observed with pump-probe measurements, in which information about the dynamics is obtained from the transient signal…
First-principles molecular transport calculation for the benzenedithiolate molecule
M. Rumetshofer, G. Dorn, L. Boeri +2
A first-principles approach based on Density Functional Theory and Non-Equilibrium Green's functions is used to study the molecular transport system consisting of benzenedithiolate…
Thermoelectric properties of a strongly correlated layer
Irakli Titvinidze, Antonius Dorda, Wolfgang von der Linden +1
In this paper we investigate the effect of strong electronic interactions on the thermoelectric properties of a simple generic system, consisting of a single correlated layer sandw…
Optimized auxiliary representation of a non-Markovian environment by a Lindblad equation
Antonius Dorda, Max E. Sorantin, Wolfgang von der Linden +1
We present a general scheme to map correlated nonequilibrium quantum impurity problems onto an auxiliary open quantum system of small size. The infinite fermionic reservoirs of the…
Thermoelectric response of a correlated impurity in the nonequilibrium Kondo regime
Antonius Dorda, Martin Ganahl, Sabine Andergassen +2
We study nonequilibrium thermoelectric transport properties of a correlated impurity connected to two leads for temperatures below the Kondo scale. At finite bias, for which a curr…
Resonance Effects in Correlated Multilayer Heterostructures
Irakli Titvinidze, Antonius Dorda, Wolfgang von der Linden +1
We study the occurrence of negative differential conductance induced by resonance effects in a model for a multilayer heterostructure. In particular, we consider a system consistin…
Nested sampling, statistical physics and the Potts model
Manuel J. Pfeifenberger, Michael Rumetshofer, Wolfgang von der Linden
We present a systematic study of the nested sampling algorithm based on the example of the Potts model. This model, which exhibits a first order phase transition for , exempli…
Transport Through a Correlated Interface: Auxiliary Master Equation Approach
Irakli Titvinidze, Antonius Dorda, Wolfgang von der Linden +1
We present improvements of a recently introduced numerical method [Arrigoni etal, Phys. Rev. Lett. 110, 086403 (2013)] to compute steady state properties of strongly correlated ele…
Auxiliary master equation approach within matrix product states: Spectral properties of the nonequilibrium Anderson impurity model
Antonius Dorda, Martin Ganahl, Hans Gerd Evertz +2
Within the recently introduced auxiliary master equation approach it is possible to address steady state properties of strongly correlated impurity models, small molecules or clust…
Current characteristics of a one-dimensional Hubbard chain: The role of correlation and dissipation
Jakob Neumayer, Enrico Arrigoni, Markus Aichhorn +1
We study the electronic transport in an infinite one-dimensional Hubbard chain, driven by a homogeneous electric field. The physical chain is coupled to fermion bath chains, in ord…
Master equation based steady-state cluster perturbation theory
Martin Nuss, Gerhard Dorn, Antonius Dorda +2
A simple and efficient approximation scheme to study electronic transport characteristics of strongly correlated nano devices, molecular junctions or heterostructures out of equili…
Nonequilibrium, spatio-temporal formation of the Kondo screening-cloud on a lattice
Martin Nuss, Martin Ganahl, Enrico Arrigoni +2
We study the nonequilibrium formation of a spin screening cloud that accompanies the quenching of a local magnetic moment immersed in a Fermi sea at zero temperature. Based on high…
Effect of the iron valence in the two types of layers in LiFeOFeSe
Christoph Heil, Lilia Boeri, Heinrich Sormann +2
We perform electronic structure calculations for the recently synthesized iron-based superconductor LiFeOFeSe. In contrast to other iron-based superconductors, this mat…
Accurate bare susceptibilities from full-potential calculations
Christoph Heil, Heinrich Sormann, Lilia Boeri +2
Electronic susceptibilities are a very popular tool to study electronic and magnetic properties of materials, both in experiment and theory. Unfortunately, the numerical evaluation…
Auxiliary master equation approach to non-equilibrium correlated impurities
Antonius Dorda, Martin Nuss, Wolfgang von der Linden +1
We present a numerical method for the study of correlated quantum impurity problems out of equilibrium, which is particularly suited to address steady state properties within Dynam…
Effects of electronic correlations and magnetic field on a molecular ring out of equilibrium
Martin Nuss, Wolfgang von der Linden, Enrico Arrigoni
We study effects of electron-electron interactions on the steady-state characteristics of a hexagonal molecular ring in a magnetic field, as a model for a benzene molecular junctio…
Steady-state and quench dependent relaxation of a quantum dot coupled to one-dimensional leads
Martin Nuss, Martin Ganahl, Hans Gerd Evertz +2
We study the time evolution and steady state of the charge current in a single-impurity Anderson model, using matrix product states techniques. A nonequilibrium situation is impose…
Vibration-mediated correlation effects in the transport properties of a benzene molecule
Michael Knap, Enrico Arrigoni, Wolfgang von der Linden
We theoretically analyze correlation effects on the transport properties of a benzene molecule that are mediated by interactions between the motion of the nuclei and the transmitte…
Characterization of Mott-insulating and superfluid phases in the one-dimensional Bose--Hubbard model
Satoshi Ejima, Holger Fehske, Florian Gebhard +4
We use strong-coupling perturbation theory, the variational cluster approach (VCA), and the dynamical density-matrix renormalization group (DDMRG) method to investigate static and…
Variational cluster approach to the single impurity Anderson model
Martin Nuss, Enrico Arrigoni, Markus Aichhorn +1
We study the single impurity Anderson model by means of cluster perturbation theory and the variational cluster approach (VCA). An expression for the VCA grand potential for a syst…
Strong coupling expansion for the Bose-Hubbard and the Jaynes-Cummings lattice model
Christoph Heil, Wolfgang von der Linden
A strong coupling expansion, based on the Kato-Bloch perturbation theory, which has recently been proposed by Eckardt et al. [Phys. Rev. B 79, 195131] and Teichmann et al. [Phys. R…