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I would like to understand how T-duality between the heterotic $E_8 \times E_8$ (HE) and heterotic $\textrm{Spin}(32)/\mathbb{Z}_2$ (HO) theories works, at the level of the worldsheet $\sigma$-model.

I had a look at Lubos Motl's answer to a related question: T-Duality between Type HE String theory and Type HO string theory.

My question, stated differently, is: is it possible to understand this duality using something like Buscher rules? If yes, can someone point me to an appropriate reference where this is explained?

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  • $\begingroup$ Have a look at inspirehep.net/record/231271 . $\endgroup$ – Heterotic Jun 20 '16 at 16:27
  • $\begingroup$ @Heterotic thanks! But this paper doesn't address T Duality from a sigma model perspective. $\endgroup$ – leastaction Jun 21 '16 at 7:33

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