Half-BPS Vertex Operators of the $AdS_5\times S^5$ Superstring

Nathan Berkovits (ICTP-SAIFR/IFT-UNESP; S\~ao Paulo)

Half-BPS Vertex Operators of the $AdS_5\times S^5$ Superstring

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arxiv 1904.06564 v2 pith:BY4XVPV6 submitted 2019-04-13 hep-th

Nathan Berkovits (ICTP-SAIFR/IFT-UNESP , São Paulo) This is my paper · ORCID

classification hep-th

keywords operatorsvertexbackgroundhalf-bpsradiussuperstringtimesconjecture

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abstract

Using the pure spinor formalism for the superstring in an $AdS_5\times S^5$ background, a simple expression is found for half-BPS vertex operators. At large radius, these vertex operators reduce to the usual supergravity vertex operators in a flat background. And at small radius, there is a natural conjecture for generalizing these vertex operators to non-BPS states.

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Covariant quantization of the superstring in $\rm AdS_3 \times S^3 \times T^4$ with mixed flux
hep-th 2024-11 conditional novelty 7.0 of 10

A manifestly supersymmetric and quantizable worldsheet action for the mixed-flux AdS3 x S3 x T4 superstring is constructed and shown to be one-loop conformal.

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