1111.1828 (Neil B. Copland)

A Double Sigma Model for Double Field Theory    [PDF]

Neil B. Copland

We define a sigma model with doubled target space and calculate its background field equations. These coincide with generalised metric equation of motion of double field theory, thus the double field theory is the effective field theory for the sigma model.

View original: http://arxiv.org/abs/1111.1828