Raphaël Benichou
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View article: Dynamical Adaptation in Photoreceptors
Dynamical Adaptation in Photoreceptors Open
Adaptation is at the heart of sensation and nowhere is it more salient than in early visual processing. Light adaptation in photoreceptors is doubly dynamical: it depends upon the temporal structure of the input and it affects the temporal…
View article: The Hirota equation for string theory in AdS<sub>5</sub> × S<sup>5</sup> from the fusion of line operators
The Hirota equation for string theory in AdS<sub>5</sub> × S<sup>5</sup> from the fusion of line operators Open
We present a perturbative derivation of the T‐system that is believed to encode the exact spectrum of planar 𝒩 = 4 SYM. The T‐system is understood as an operator identity between some special line operators, the quantum transfer matrices. …
View article: T-duality in Ramond–Ramond backgrounds
T-duality in Ramond–Ramond backgrounds Open
Using the pure spinor formalism on the world-sheet, we derive the T-duality rules for all target space couplings in an efficient manner. The world-sheet path integral derivation is a proof of the equivalence of the T-dual Ramond-Ramond bac…