Holography and String Dynamics in Time-dependent Backgrounds
Akikazu Hashimoto, Savdeep Sethi
Abstract
We study the dynamics of D-branes in a smooth time-dependent background. The theory on the branes is a time-dependent non-commutative field theory. We find the metric and fluxes that determine the dual holographic closed string theory. This provides a concrete example of holography in a cosmological setting.
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