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Stationary cosmological solution with torsion

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Il Nuovo Cimento B (1971-1996)

Summary

The role of torsion and spin has been studied in the case of stationary universe with Weyssenhoff fluid under rigid rotation. It is shown that, when the pressure bears a linear relation with the density, there exist closed timelike lines. Only when the space-time isS-T homogeneous, the spin can avoid closed timelike lines.

Riassunto

Il ruolo della torsione e dello spin è stato studiato nel caso dell'universo stazionario con fluido di Weyssenhoff sottoposto a rotazione rigida. Si mostra che, quando la pressione ha una relazione lineare con la densità, esistono linee chiuse tipo tempo. Solo quando lo spazio tempo è omogeneo secondoS-T, lo spin può evitare linee chiuse di tipo tempo.

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Traduzione a cura della Redazione.

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Bedran, M.L., Vasconcellos Vaidya, E.P. & Som, M.M. Stationary cosmological solution with torsion. Nuov Cim B 87, 101–108 (1985). https://doi.org/10.1007/BF02721532

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  • DOI: https://doi.org/10.1007/BF02721532

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