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- All AdS7 solutions of type II supergravity

In M-theory, the only AdS7 supersymmetric solutions are

AdS7 × S4 and its orbifolds. In this talk, I will describe a classification of

AdS7 supersymmetric solutions in type II supergravity. While in IIB none exist,

in IIA with Romans mass (which does not lift to M-theory) there are many new

ones. The classification starts from a pure spinor approach reminiscent of

generalized complex geometry. Without the need for any Ansatz, the method

determines uniquely the form of the metric and fluxes, up to solving a system

of ODEs. Namely, the metric on M3 is that of an S2 fibered over an interval;

this is consistent with the Sp(1) R-symmetry of the holographically dual (1,0)

theory. One can obtain numerically many solutions, with D8 and/or D6 brane

sources; topologically, the internal manifold M3 = S^3.

Collection/Series:

Event Type:

Seminar

Scientific Area(s):

Speaker(s):

Event Date:

Friday, October 18, 2013 - 11:00 to 12:30

Location:

Space Room

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