In a recent paper, Witten proposed a surprising connection between perturbative gauge theory and a certain topological model in twistor space. In particular, he showed that gluon amplitudes are localized on holomorphic curves. In this note we present some preliminary considerations on the possibility of having a similar localization for gravity amplitudes.
A Note on Twistor Gravity Amplitudes / Giombi, S., Ricci, R., Robles-Llana, D., Trancanelli, D.. - In: JOURNAL OF HIGH ENERGY PHYSICS. - ISSN 1029-8479. - 8:7(2004), pp. 1461-1473. [10.1088/1126-6708/2004/07/059]
A Note on Twistor Gravity Amplitudes
Trancanelli, Diego
2004
Abstract
In a recent paper, Witten proposed a surprising connection between perturbative gauge theory and a certain topological model in twistor space. In particular, he showed that gluon amplitudes are localized on holomorphic curves. In this note we present some preliminary considerations on the possibility of having a similar localization for gravity amplitudes.
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