Journal Article

PUBDB-2024-00843

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png divERGe implements various Exact Renormalization Group examples

Profe, J. B. ; Kennes, D. M. ; Klebl, L. (Corresponding author)Extern*XFEL.EU*

2024
SciPost Foundation Amsterdam

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Please use a persistent id in citations: doi:10.21468/SciPostPhysCodeb.26  doi:10.3204/PUBDB-2024-00843

Abstract: We present divERGe, an open source, high-performance C/C++/Python library for functional renormalization group (FRG) calculations on lattice fermions. The versatile model interface is tailored to real materials applications and seamlessly integrates with existing, standard tools from the ab-initio community. The code fully supports multi-site, multi-orbital, and non-SU(2) models in all of the three included FRG variants: TU2FRG, N-patch FRG, and grid FRG. With this, the divERGe library paves the way for widespread application of FRG as a tool in the study of competing orders in quantum materials.

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Contributing Institute(s):

1. Forschungsgruppe für strukturelle Dynamik (MPSD)

Research Program(s):

1. 899 - ohne Topic (POF4-899) (POF4-899)
2. DFG project G:(GEPRIS)443273985 - Mikroskopische Beschreibung von Korrelationseffekten in verdrehten van der Waals [Hetero]Strukturen (443273985) (443273985)
3. DFG project G:(GEPRIS)390534769 - EXC 2004: Materie und Licht für Quanteninformation (ML4Q) (390534769) (390534769)
4. DFG project G:(GEPRIS)449872909 - FOR 5249: Quantitative räumlich-zeitliche Modellierung von Materie mit elektronischen Korrelationen (449872909) (449872909)

Experiment(s):

1. No specific instrument

Appears in the scientific report 2024

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