We show that a virtual graviton has a J=0 component, which serves to cancel the J=2,Jz=0 component when the graviton is on shell. In contrast, a massive graviton has no J=0 component either on or off shell. This difference is responsible for the van Dam-Veltman-Zakharov discontinuity.
|Original language||English (US)|
|Number of pages||5|
|Journal||Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics|
|State||Published - Mar 10 2005|
ASJC Scopus subject areas
- Nuclear and High Energy Physics