Codebase release 1.0 for QDarts

We present QDarts, an efficient simulator for realistic charge stability diagrams of quantum dot array (QDA) devices in equilibrium states. It allows for pinpointing the location of concrete charge states and their transitions in a high-dimensional voltage space (via arbitrary two-dimensional cuts through it), and includes effects of finite tunnel coupling, non-constant charging energy and a simulation of noisy sensor dots. These features enable close matching of various experimental results in the literature, and the package hence provides a flexible tool for testing QDA experiments, as well as opening the avenue for developing new methods of device tuning.

Authors

Institutions

Publication Details

Journal
SciPost Physics Codebases
Published
2025-01-09
DOI
https://doi.org/10.21468/scipostphyscodeb.43-r1.0
Citations
2
Primary Topic
Big Data and Digital Economy
Type
article
Field-Weighted Citation Impact
6.49

Funders

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article

Codebase release 1.0 for QDarts

Jan A. Krzywda, Evert van Nieuwenburg, Weikun Liu, Oswin Krause
2 citations
SciPost Physics Codebases
Big Data and Digital Economy
6.49
article

Codebase release 1.0 for QDarts

Jan A. Krzywda, Evert van Nieuwenburg, Weikun Liu, Oswin Krause
article en
2 citations

Abstract

We present QDarts, an efficient simulator for realistic charge stability diagrams of quantum dot array (QDA) devices in equilibrium states. It allows for pinpointing the location of concrete charge states and their transitions in a high-dimensional voltage space (via arbitrary two-dimensional cuts through it), and includes effects of finite tunnel coupling, non-constant charging energy and a simulation of noisy sensor dots. These features enable close matching of various experimental results in the literature, and the package hence provides a flexible tool for testing QDA experiments, as well as opening the avenue for developing new methods of device tuning.

SciPost Physics Codebases
Leiden University (NL), University of Copenhagen (DK)
Innovationsfonden, Nederlandse Organisatie voor Wetenschappelijk Onderzoek
Openalex Percentile: Top 5%
Big Data and Digital Economy
6.49
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Codebase release 1.0 for QDarts — Jan A. Krzywda, Evert van Nieuwenburg, et al. · SciPost Physics Codebases (2025) | TGRS Research Map | TGRS