Quantum information and algorithms for correlated quantum matter

K Head-Marsden, J Flick, CJ Ciccarino… - Chemical …, 2020 - ACS Publications
Discoveries in quantum materials, which are characterized by the strongly quantum-
mechanical nature of electrons and atoms, have revealed exotic properties that arise from …

Distinctive characteristics of carrier-phonon interactions in optically driven semiconductor quantum dots

DE Reiter, T Kuhn, VM Axt - Advances in Physics: X, 2019 - Taylor & Francis
We review distinct features arising from the unique nature of the carrier-phonon coupling in
self-assembled semiconductor quantum dots. Because of the discrete electronic energy …

Efficient non-Markovian quantum dynamics using time-evolving matrix product operators

A Strathearn, P Kirton, D Kilda, J Keeling… - Nature …, 2018 - nature.com
In order to model realistic quantum devices it is necessary to simulate quantum systems
strongly coupled to their environment. To date, most understanding of open quantum …

Non-Markovian decoherence theory for a double-dot charge qubit

MWY Tu, WM Zhang - Physical Review B—Condensed Matter and Materials …, 2008 - APS
In this paper, we develop a nonperturbation theory for describing decoherence dynamics of
electron charges in a double quantum dot gated by electrodes. We extend the Feynman …

Simulation complexity of open quantum dynamics: Connection with tensor networks

IA Luchnikov, SV Vintskevich, H Ouerdane… - Physical review letters, 2019 - APS
The difficulty to simulate the dynamics of open quantum systems resides in their coupling to
many-body reservoirs with exponentially large Hilbert space. Applying a tensor network …

Iterative real-time path integral approach to nonequilibrium quantum transport

S Weiss, J Eckel, M Thorwart, R Egger - Physical Review B—Condensed …, 2008 - APS
We have developed a numerical approach to compute real-time path integral expressions
for quantum transport problems out of equilibrium. The scheme is based on a deterministic …

Quantum coherent biomolecular energy transfer with spatially correlated fluctuations

P Nalbach, J Eckel, M Thorwart - New Journal of Physics, 2010 - iopscience.iop.org
We show that the quantum coherent transfer of excitations between biomolecular
chromophores is strongly influenced by spatial correlations of environmental fluctuations …

Density-operator approaches to transport through interacting quantum dots: Simplifications in fourth-order perturbation theory

S Koller, M Grifoni, M Leijnse, MR Wegewijs - Physical Review B—Condensed …, 2010 - APS
Various theoretical methods address transport effects in quantum dots beyond single-
electron tunneling while accounting for the strong interactions in such systems. In this paper …

The role of phonons for exciton and biexciton generation in an optically driven quantum dot

DE Reiter, T Kuhn, M Glässl… - Journal of Physics …, 2014 - iopscience.iop.org
For many applications of semiconductor quantum dots in quantum technology, well-
controlled state preparation of the quantum dot states is mandatory. Since quantum dots are …

Efficient real-time path integrals for non-Markovian spin-boson models

A Strathearn, BW Lovett, P Kirton - New Journal of Physics, 2017 - iopscience.iop.org
Strong coupling between a system and its environment leads to the emergence of non-
Markovian dynamics, which cannot be described by a time-local master equation. One way …