When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Like any field theory of gravity, a supergravity theory contains a spin-2 field whose quantum is the graviton. Supergravity theories with N>1 are usually referred to as extended supergravity (SUEGRA).
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.