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Off-shell higher-spin fields in AdS4 and external currents
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DOI：10.1007/JHEP12(2021)172.png)
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摘要
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We construct an unfolded system for off-shell fields of arbitrary integer spin in 4d anti-de Sitter space. To this end we couple an on-shell system, encoding Fronsdal equations, to external Fronsdal currents for which we find an unfolded formulation. We present a reduction of the Fronsdal current system which brings it to the unfolded Fierz-Pauli system describing massive fields of arbitrary integer spin. Reformulating off-shell higher-spin system as the set of Schwinger-Dyson equations we compute propagators of higher-spin fields in the de Donder gauge directly from the unfolded equations. We discover operators that significantly simplify this computation, allowing a straightforward extraction of wave equations from an unfolded system.
Keyword:
Higher Spin Gravity
Higher Spin Symmetry
期刊
IF:
5.5
论文数:
3.9W
被引数:
13.7W
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