AdS3/AdS2 degression of Fronsdal fields

We analyze the Kaluza–Klein type procedure in AdS3 space called the dimensional degression. The topological theory of the Fronsdal field in AdS3 is reformulated in terms of the fields propagating in AdS2. We find that the Fronsdal field in AdS3 leads to finitely many Kaluza–Klein modes. Namely, the...

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Bibliographic Details
Main Author: Alexander Yan
Format: Article
Language:English
Published: Elsevier 2022-11-01
Series:Nuclear Physics B
Online Access:http://www.sciencedirect.com/science/article/pii/S0550321322003248
Description
Summary:We analyze the Kaluza–Klein type procedure in AdS3 space called the dimensional degression. The topological theory of the Fronsdal field in AdS3 is reformulated in terms of the fields propagating in AdS2. We find that the Fronsdal field in AdS3 leads to finitely many Kaluza–Klein modes. Namely, the obtained spectrum is the massive Klein–Gordon and Proca fields in AdS2. The result is derived by using the specific mode expansion, gauge fixing, and 2–dimensional Schouten identities.
ISSN:0550-3213