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arxiv: 1705.09254 · v1 · pith:S6BCKCUTnew · submitted 2017-05-25 · ✦ hep-th

Hidden isometry of "T-duality without isometry"

classification ✦ hep-th
keywords isometryt-dualityalgebroidwithoutchatzistavrakidiscriteriadeserframing
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We study the T-dualisability criteria of Chatzistavrakidis, Deser and Jonke [3] who recently used Lie algebroid gauge theories to obtain sigma models exhibiting a "T-duality without isometry". We point out that those T-dualisability criteria are not written invariantly in [3] and depend on the choice of the algebroid framing. We then show that there always exists an isometric framing for which the Lie algebroid gauging boils down to standard Yang-Mills gauging. The "T-duality without isometry" of Chatzistavrakidis, Deser and Jonke is therefore nothing but traditional isometric non-Abelian T-duality in disguise.

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