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Gravitomagnetic Accelerators

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arxiv 1005.2768 v3 pith:M6O5XWDR submitted 2010-05-16 gr-qc astro-ph.HEhep-th

Gravitomagnetic Accelerators

classification gr-qc astro-ph.HEhep-th
keywords gravitomagneticjetsacceleratorsparticlesspacetimespeedadmitanalogous
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We study a simple class of time-dependent rotating Ricci-flat cylindrically symmetric spacetime manifolds whose geodesics admit gravitomagnetic jets. The helical paths of free test particles in these jets up and down parallel to the rotation axis are analogous to those of charged particles in a magnetic field. The jets are attractors. The jet speed asymptotically approaches the speed of light. In effect, such source-free spacetime regions act as "gravitomagnetic accelerators".

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