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hep-th2026
D-branes and nonlinear interactions in the pure spinor string
Brenno Carlini Vallilo
The paper presents a coordinate‑independent algebraic framework for zero‑field boundary conditions of the pure spinor string on AdS₅×S⁵, identifying half‑BPS Lorentzian D‑brane con…
hep-th2026
A note on conserved worldsheet supercharges in heterotic pure spinor superstring
Osvaldo Chandia, Brenno Carlini Vallilo
We study conserved worldsheet charges associated with spacetime supersymmetry in heterotic pure-spinor superstrings on curved ten-dimensional superspace backgrounds. Requiring BRST…
hep-th2024
Compactifications of Type II Supergravities in Superspace
Osvaldo Chandia, Brenno Carlini Vallilo
We propose a way to describe compactifications of Type II supergravities with fluxes directly from superspace. The superspace used is the one that arises naturally from the pure sp…