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Correction: Eur. Phys. J. B (2022) 95:202 https://doi.org/10.1140/epjb/s10051-022-00438-2
In the original article, three equations were erroneous: Eqs. (6), (13a) and (16). We give the corrected versions of these three equations below:
Since \(\textrm{sgnX}\) is no longer present in Eq. (16), the comment “with the same convention of \(\textrm{sgnX}\) as in Eq. (5).” right below it was removed as well.
Footnote 5 of the original article was pointing out an error in Ref. [35] (“We note that in Eq. (15) of Ref. [35], the term \(-U\) is erroneously missing on the right-hand side.”), which has been eventually indicated with an erratum for the article in question. This footnote has thus been removed from the original article.
For more details, we refer to Sarah Heinzelmann’s PhD thesis [1].
Reference
S. Heinzelmann, The single-boson exchange formalism and its application to the functional renormalization group, PhD Thesis, Universität Tübingen (2023)
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Fraboulet, K., Heinzelmann, S., Bonetti, P.M. et al. Correction: Single-boson exchange functional renormalization group application to the two-dimensional Hubbard model at weak coupling. Eur. Phys. J. B 96, 98 (2023). https://doi.org/10.1140/epjb/s10051-023-00561-8
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DOI: https://doi.org/10.1140/epjb/s10051-023-00561-8