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All Order alpha ' E...
All Order alpha ' Expansion of One-Loop Open-String Integrals
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- Mafra, Carlos R. (author)
- Univ Southampton, STAG Res Ctr, Southampton SO17 1BJ, Hants, England;Univ Southampton, Math Sci, Southampton SO17 1BJ, Hants, England
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- Schlotterer, Oliver (author)
- Uppsala universitet,Teoretisk fysik
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(creator_code:org_t)
- AMER PHYSICAL SOC, 2020
- 2020
- English.
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In: Physical Review Letters. - : AMER PHYSICAL SOC. - 0031-9007 .- 1079-7114. ; 124:10
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Abstract
Subject headings
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- We present a new method to evaluate the alpha' expansion of genus-one integrals over open-string punctures and unravel the structure of the elliptic multiple zeta values in its coefficients. This is done by obtaining a simple differential equation of Knizhnik-Zamolodchikov-Bernard-type satisfied by generating functions of such integrals, and solving it via Picard iteration. The initial condition involves the generating functions at the cusp tau -> i infinity and can be reduced to genus-zero integrals.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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