Phys. Rev. D 75, 044022 (2007) [7 pages]Spin-2 particles in gravitational fieldsReceived 29 November 2006; published 22 February 2007 We give a solution of the wave equation for massless, or massive spin-2 particles propagating in a gravitational background. The solution is covariant, gauge-invariant and exact to first order in the background gravitational field. The background contribution is confined to a phase factor from which geometrical and physical optics can be derived. The phase also describes Mashhoon’s spin-rotation coupling and, in general, the spin-gravity interaction. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.75.044022
DOI:
10.1103/PhysRevD.75.044022
PACS:
04.62.+v, 95.30.Sf
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