Area-preserving diffeomorphisms and higher-spin algebras

Massless particle
DOI: 10.1007/bf02108779 Publication Date: 2005-09-12T23:12:13Z
ABSTRACT
We show that there exists a one-parameter family of infinite-dimensional algebras that includes the bosonic d = 3 Fradkin-Vasiliev higher-spin algebra and the non-Euclidean version of the algebra of area-preserving diffeomorphisms of the two-sphere S2 as two distinct members. The non-Euclidean version of the area preserving algebra corresponds to the algebra of area-preserving diffeomorphisms of the hyperbolic space S1,1, and can be rewritten as lim(N→∞) su(N, N). As an application of our results, we formulate a new d = 2 + 1 massless higher-spin field theory as the gauge theory of the area-preserving diffeomorphisms of S1,1.
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