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Geodesic motion in the Tomimatsu-Sato space-times

Геодезическое движение в пространстве-времени Тмиматцу-Сато

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Il Nuovo Cimento B (1971-1996)

Summary

We study axial and equatorial geodesics in the T-S space-times witha>m. We found that except in the Kerr case, all the singularities are invisible from infinity even if no horizon exists. We discuss also causality violation and some observational properties of a naked (non-Kerr) spinning singularity.

Riassunto

Si studiano le geodetiche assiali ed equatoriali neli spazi-tempi di Tomimatsu-Sato cona>m. Si trova che, ad eccezione del caso di Kerr, tutte le singolarità sono invisibili dall'infinito, anche se non esiste alcun orizzonte. Si discutono inoltre la violazione della causalità ed alcune proprietà osservative di una singolarità nuda ruotante (non-Kerr).

Резюме

Мы исследуем аксиальные и зкваториальные геодезические линии в пространстве-времени Томиматцу-Сато сa>m. Мы получили, что за исключением случая Керра, все сингулярности не отличимы от бесконечности, даже если горизонт не существует. Мы обсуждаем также нарушение причинности и некоторые наблюдаемые свойства сингулярности вращения.

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Authors and Affiliations

  1. Istituto di Astronomia dell'Università, Padova, Italia

    M. Calvani

  2. Istituto di Fisica Teorica dell'Università, Pavia, Italia

    R. Catenacci

Authors
  1. M. Calvani
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  2. R. Catenacci
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Calvani, M., Catenacci, R. Geodesic motion in the Tomimatsu-Sato space-times. Nuov Cim B 31, 41–52 (1976). https://doi.org/10.1007/BF02730317

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  • DOI: https://doi.org/10.1007/BF02730317

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