On the (non) existence of several gravitomagnetic effects

Details On the (non) existence of several gravitomagnetic effects On the (non) existence of several gravitomagnetic effects

1999-06-20

arxiv.org/abs/gr-qc/9906086v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

LaTex, 5 pages, to be published in "Gravitation and Relativity in General", eds. A. Molina, J. Mart\'in, E. Ruiz, F. Atrio (Wo

Scientific paper

Due to the resemblance between Maxwell and the gravitomagnetic equations obtained in the weak field and slow motion limit of General Relativity, one can ask if it is possible to amplify a seed intrinsic rotation or spin motion by a gravitomagetic dynamo, in analogy with the well-known dynamo effect. Using the Galilean limits of the gravitomagnetic equations, the answer to this question is negative, due to the fact that a "magnetic" Galilean limit for the gravitomagnetic equations is physically inconsistent. Also, we prove that, in spite of some claims, a gravitational Meissner effect does not exists.

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