The Massless Limit of Bargmann–Wigner Equations for a Massive Graviton
DOI:
https://doi.org/10.15407/ujpe63.7.584Keywords:
Bargman–Wigner equation, massive graviton, wave equationsAbstract
Information about the discovery of gravity waves attract attention to the graviton’s mass problem. The massive graviton is a spin-2 particle with a non-zero mass. In this work, relativistic wave equations for a massive graviton have been studied in the limiting case of zero particle mass. The equations for the non-zero-mass graviton are based on the Bargman–Wigner equations in the five-dimensional space-time with the (++++−) signature. In the massless limit of massive graviton, all states with possible helicity values –0 (LL-graviton), ±1 (TL-graviton), and ±2 (TT-graviton) –are preserved.
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