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BRST symmetry of doubled membrane sigma-models | | Athanasios Chatzistavrakidis
; Clay J. Grewcoe
; Larisa Jonke
; Fech Scen Khoo
; Richard J. Szabo
; | | Date: |
9 Apr 2019 | | Abstract: | Courant sigma-models encode the geometric and non-geometric fluxes of
compactified closed string theory as generalized Wess-Zumino terms and exhibit
their relation to Courant algebroids. In recent work, we proposed a doubled
membrane sigma-model that establishes the corresponding connection to double
field theory and its algebroid structure. The strategy is to consider a "large"
Courant sigma-model over a doubled target spacetime and identify a suitable
projection that leads to a sigma-model for doubled fields. In this note, we
provide further details for this construction. Starting from the BRST symmetry
of the BV action that satisfies the classical master equation, we consistently
project the BRST transformations of the superfields of the "large" Courant
sigma-model to obtain the gauge transformations of the doubled membrane
sigma-model. We show that demanding gauge invariance and the closure of gauge
transformations of the worldvolume theory, leads to a condition that is in
direct correspondence to the strong constraint of the target space double field
theory. | | Source: | arXiv, 1904.4857 | | Services: | Forum | Review | PDF | Favorites | |
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