Sivaram, C and Sinha, KP and Lord, Eric A (1974) f Gravity and gravitational singularities. In: Nature, 249 (5458). pp. 640-641.
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TRAUTMAN has postulated1 that the usual space−time singularity occurring in classical cosmological models and in the gravitational collapse of massive objects could be averted if intrinsic spin effects are incorporated into general relativity by adding torsion terms to the usual Einstein field equations, that is through the Einstein−Cartan theory. Invoking a primordial magnetic field for aligning all the individual nuclear spins he shows that his universe consisting of 1080 aligned neutrons collapses to a minimum radius of the order of 1 cm with a corresponding matter density of 1055 g cm-3.
| Item Type: | Journal Article |
|---|---|
| Publication: | Nature |
| Publisher: | Nature Publishing Group |
| Additional Information: | Copyright of this article belongs Nature Publishing Group. |
| Department/Centre: | Division of Physical & Mathematical Sciences > Physics |
| Date Deposited: | 17 Dec 2009 11:27 |
| Last Modified: | 17 Dec 2009 11:27 |
| URI: | http://eprints.iisc.ac.in/id/eprint/23853 |
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