Twistors and 2T-physics

Abstract

Two-Time physics applies broadly to the formulation of physics and correctly describes the physical world as we know it. Recently it was applied to a 2T re-formulation of the d=4 twistor superstring, which was suggested by Witten as an efficient approach for computations of physical processes in the maximally supersymmetric N=4 Yang-Mills field theory in four dimensions. The 2T formalism provides a six dimensional view of this theory and suggests the existence of other d=4 dual forms of the same theory. Furthermore the 2T approach led to the first formulation of a twistor superstring in d=10 appropriate for AdS{5}xS{5} backgrounds, and a twistor superstring in d=6 related to the little understood superconformal theory in d=6. The proper generalization of twistors to higher dimensions is an essential ingredient which is provided naturally by 2T-physics. These developments are summarized in this lecture.

25 pages, 1 figure; v.3 correction in footnote 6

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