On the spin of gravitational bosons

Details On the spin of gravitational bosons On the spin of gravitational bosons

2002-05-16

arxiv.org/abs/gr-qc/0205072v1

Int.J.Mod.Phys.D11:1621-1634,2002

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Honorable mention, 2002 Gravity Research Foundation Essays

Scientific paper

10.1142/S0218271802003031

We unearth spacetime structure of massive vector bosons, gravitinos, and gravitons. While the curvatures associated with these particles carry a definite spin, the underlying potentials cannot be, and should not be, interpreted as single spin objects. For instance, we predict that a spin measurement in the rest frame of a massive gravitino will yield the result 3/2 with probability one half, and 1/2 with probability one half. The simplest scenario leaves the Riemannian curvature unaltered; thus avoiding conflicts with classical tests of the theory of general relativity. However, the quantum structure acquires additional contributions to the propagators, and it gives rise to additional phases.

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