Two-loop superstring five-point amplitudes. Part I. Construction via chiral splitting and pure spinors
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DOI: 10.1007/jhep08(2020)135
Abstract: The full two-loop amplitudes for five massless states in Type II and Heterotic superstrings are constructed in terms of convergent integrals over the genus-two moduli space of compact Riemann surfaces and integrals of Green functions… read more here.
Keywords: loop superstring; two loop; pure; construction ... See more keywords
Two-loop superstring five-point amplitudes. Part III. Construction via the RNS formulation: even spin structures
Sign Up to like & getrecommendations! Published in 2021 at "Journal of High Energy Physics"
DOI: 10.1007/jhep12(2021)063
Abstract: Abstract The contribution from even spin structures to the genus-two amplitude for five massless external NS states in Type II and Heterotic superstrings is evaluated from first principles in the RNS formulation. Using chiral splitting… read more here.
Keywords: loop superstring; spin structures; rns formulation; even spin ... See more keywords