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arXiv · 1106.5452

Unification of Type II Strings and T-duality

Olaf Hohm·Seung Ki Kwak·Barton Zwiebach
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Abstract

We present a unified description of the low-energy limits of type II string theories. This is achieved by a formulation that doubles the space-time coordinates in order to realize the T-duality group O(10,10) geometrically. The Ramond-Ramond fields are described by a spinor of O(10,10), which couples to the gravitational fields via the Spin(10,10) representative of the so-called generalized metric. This theory, which is supplemented by a T-duality covariant self-duality constraint, unifies the type II theories in that each of them is obtained for a particular subspace of the doubled space.

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Olaf Hohm, Seung Ki Kwak, Barton Zwiebach. 2011-10-18. Unification of Type II Strings and T-duality. https://doi.org/10.1103/physrevlett.107.171603

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