Articles with "modular graph" as a keyword



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From little string free energies towards modular graph functions

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Published in 2020 at "Journal of High Energy Physics"

DOI: 10.1007/jhep03(2020)077

Abstract: We study the structure of the non-perturbative free energy of a one-parameter class of little string theories (LSTs) of A-type in the so-called unrefined limit. These theories are engineered by N M5-branes probing a transverse… read more here.

Keywords: little string; graph functions; free energies; string free ... See more keywords
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Tetrahedral modular graph functions

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Published in 2017 at "Journal of High Energy Physics"

DOI: 10.1007/jhep09(2017)155

Abstract: A bstractThe low-energy expansion of one-loop amplitudes in type II string theory generates a series of world-sheet integrals whose integrands can be represented by world-sheet Feynman diagrams. These integrands are modular invariant and understanding the… read more here.

Keywords: topology; modular graph; tetrahedral modular; graph functions ... See more keywords