2 papers
hep-th2005
Nongeometry, Duality Twists, and the Worldsheet
Alex Flournoy, Brook Williams
In this paper, we use orbifold methods to construct nongeometric backgrounds, and argue that they correspond to the spacetimes discussed in \cite{dh,wwf}. More precisely, we make e…
hep-th2001
D-branes and Cosmological Singularities
Brook Williams
The motion of a test Dq-brane in a Dp-brane background is studied. The induced metric on the test brane is then interpreted as the cosmology of the test brane universe. One is then…