Benchmark calculations of multiloop pseudofermion fRG
Benchmark calculations of multiloop pseudofermion fRG
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Berlin/Heidelberg: Springer Berlin Heidelberg
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English
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Berlin/Heidelberg: Springer Berlin Heidelberg
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The pseudofermion functional renormalization group (pffRG) is a computational method for determining zero-temperature phase diagrams of frustrated quantum magnets. In a recent methodological advance, the commonly employed Katanin truncation of the flow equations was extended to include multiloop corrections, thereby capturing additional contributions from the three-particle vertex (Thoenniss et al.
https://arxiv.org/abs/2011.01268
; Kiese et al.
https://arxiv.org/abs/2011.01269
). This development has also stimulated significant progress in the numerical implementation of pffRG, allowing one to track the evolution of pseudofermion vertices under the renormalization group flow with unprecedented accu...
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Full title
Benchmark calculations of multiloop pseudofermion fRG
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TN_cdi_proquest_journals_2683152392
Permalink
https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_proquest_journals_2683152392
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ISSN
1434-6028
E-ISSN
1434-6036
DOI
10.1140/epjb/s10051-022-00349-2
