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Global aspects of d...
Global aspects of double geometry
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- Berman, David S. (författare)
- Queen Mary University of London
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- Cederwall, Martin, 1961 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Perry, Malcolm J. (författare)
- University Of Cambridge
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(creator_code:org_t)
- 2014
- 2014
- Engelska.
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Ingår i: Journal of High Energy Physics. - 1029-8479 .- 1126-6708. ; 2014:9, s. article 66-19
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Abstract
Ämnesord
Stäng
- We consider the concept of a generalised manifold in the O(d,d) setting, i.e., in double geometry. The conjecture by Hohm and Zwiebach for the form of finite generalised diffeomorphisms is shown to hold. Transition functions on overlaps are defined. Triple overlaps are trivial concerning their action on coordinates, but non-trivial on fields, including the generalised metric. A generalised manifold is an ordinary manifold, but the generalised metric on the manifold carries a gerbe structure. We show how the abelian behaviour of the gerbe is embedded in the non-abelian T-duality group. We also comment on possibilities and difficulties in the U-duality setting.
Ämnesord
- NATURVETENSKAP -- Matematik -- Geometri (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Geometry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
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