A note: graviton spin, gravitomagnetic fields and self-interaction of non-inertial frame of reference

Details A note: graviton spin, gravitomagnetic fields and self-interaction of non-inertial frame of reference A note: graviton spin, gravitomagnetic fields and self-interaction of non-inertial frame of reference

2004-06-10

arxiv.org/abs/gr-qc/0406040v2

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

8 pages, 0 figure, Latex. It is a supplement to the paper: Purely gravitational generalization of spin-rotation couplings, J.Q

Scientific paper

Three weak gravitational effects associated with the gravitomagnetic fields are taken into account in this paper: (i) we discuss the background Lorentz transformation and gauge transformation in a linearized gravity theory, and obtain the expression for the spin of gravitational field by using the canonical procedure and Noether theorem; (ii) we point out that by using the coordinate transformation from the fixed frame to the rotating frame, it is found that the nature of Mashhoon's spin-rotation coupling is in fact an interaction between the gravitomagnetic moment of a spinning particle and the gravitomagnetic fields. The fact that the rotational angular velocity of a rotating frame can be viewed as a gravitomagnetic field is demonstrated; (iii) a purely gravitational generalization of Mashhoon's spin-rotation coupling, i.e., the interaction of the graviton spin with the gravitomagnetic fields is actually a self-interaction of the spacetime (gravitational fields). In the present paper, we will show that this self-interaction will also arise in a non-inertial frame of reference itself: specifically, a rotating frame that experiences a fluctuation of its rotational frequency (i.e., the change in the rotational angular frequency) will undergo a weak self-interaction. The self-interaction of the rotating frame, which can also be called the self-interaction of the spacetime of the rotating frame, is just the non-inertial generalization of the interaction of the graviton spin with the gravitomagnetic fields.

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