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A modular implementation of an effective interaction approach for harmonically trapped fermions in 1D
by Lukas Rammelmüller, David Huber, Artem G. Volosniev
This Submission thread is now published as
|Authors (as Contributors):||Lukas Rammelmüller · Artem Volosniev|
|Arxiv Link:||https://arxiv.org/abs/2202.04603v2 (pdf)|
|Date submitted:||2022-11-18 08:07|
|Submitted by:||Rammelmüller, Lukas|
|Submitted to:||SciPost Physics Codebases|
We introduce a generic and accessible implementation of an exact diagonalization method for studying few-fermion models. Our aim is to provide a testbed for the newcomers to the field as well as a stepping stone for trying out novel optimizations and approximations. This userguide consists of a description of the algorithm, and several examples in varying orders of sophistication. In particular, we exemplify our routine using an effective-interaction approach that fixes the low-energy physics. We benchmark this approach against the existing data, and show that it is able to deliver state-of-the-art numerical results at a significantly reduced computational cost.
Published as SciPost Phys. Codebases 12-r1.0 (2023) , SciPost Phys. Codebases 12 (2023)
Submission & Refereeing History
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Reports on this Submission
Report 2 by Tim Keller on 2022-11-25 (Invited Report)
The authors have appropriately addressed all requested changes as well as the general comments and therefore I recommend publication of the current version.
Anonymous Report 1 on 2022-11-22 (Invited Report)
The authors responded well to most of my previous specific comments.
My general comments, however, were not addressed, and I would like to know the authors response.
Anyway, I recommended the current version for publication.