Rational terms in two-loop calculations Article Swipe
Max F. Zoller
,
Stefano Pozzorini
,
Hantian Zhang
·
YOU?
·
· 2019
· Open Access
·
· DOI: https://doi.org/10.22323/1.375.0081
YOU?
·
· 2019
· Open Access
·
· DOI: https://doi.org/10.22323/1.375.0081
We present an extension of the renormalisation procedure based on the R-operation in $D$ dimensions at two-loop level, in which the numerators of all Feynman diagrams can be constructed in four dimensions, and the rational terms stemming from the interplay of $(D-4)$-dimensional numerator parts and UV poles are fully reconstructed from a finite set of universal local counterterms.\nThis represents an extension of the concept of rational terms of type $R_2$ to two loops. We provide a general method to compute one and two-loop rational counterterms from massive one-scale tadpole integrals. \nFinally, we present the full set of rational counterterms of UV origin for QED up to two-loop order.
Related Topics
Concepts
Extension (predicate logic)
Feynman diagram
Loop (graph theory)
Rational function
Set (abstract data type)
Rational number
Tadpole (physics)
Order (exchange)
Mathematics
Propagator
Pure mathematics
Physics
Mathematical physics
Computer science
Particle physics
Combinatorics
Programming language
Economics
Finance
Metadata
- Type
- preprint
- Language
- en
- Landing Page
- https://doi.org/10.22323/1.375.0081
- https://pos.sissa.it/375/081/pdf
- OA Status
- gold
- Cited By
- 2
- References
- 12
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3001834615
All OpenAlex metadata
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https://openalex.org/W3001834615Canonical identifier for this work in OpenAlex
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https://doi.org/10.22323/1.375.0081Digital Object Identifier
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Rational terms in two-loop calculationsWork title
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preprintOpenAlex work type
- Language
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enPrimary language
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2019Year of publication
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2019-12-20Full publication date if available
- Authors
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Max F. Zoller, Stefano Pozzorini, Hantian ZhangList of authors in order
- Landing page
-
https://doi.org/10.22323/1.375.0081Publisher landing page
- PDF URL
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https://pos.sissa.it/375/081/pdfDirect link to full text PDF
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YesWhether a free full text is available
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goldOpen access status per OpenAlex
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https://pos.sissa.it/375/081/pdfDirect OA link when available
- Concepts
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Extension (predicate logic), Feynman diagram, Loop (graph theory), Rational function, Set (abstract data type), Rational number, Tadpole (physics), Order (exchange), Mathematics, Propagator, Pure mathematics, Physics, Mathematical physics, Computer science, Particle physics, Combinatorics, Programming language, Economics, FinanceTop concepts (fields/topics) attached by OpenAlex
- Cited by
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2Total citation count in OpenAlex
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2022: 1, 2021: 1Per-year citation counts (last 5 years)
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10Other works algorithmically related by OpenAlex
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