Abstract
Magnetic fields have been found to have an inherent capability of acting against gravity. An important question posed in the literature is whether the presence of a magnetic field can alter the dynamics of a gravitational collapse and prevent the final formation of a singularity. Inhomogeneous models of collapse have not been explored significantly in this context. In the present work, we investigate the role of magnetic fields in the evolution of inhomogeneous cylindrically symmetric models. We use an approach based on the Raychaudhuri equation for such an analysis. We show that it is quite possible for the magnetic field to avert the gravitational collapse in these models.
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Acknowledgements
The author acknowledges Council of Scientific and Industrial Research (CSIR), India, for providing the financial support through a senior research fellowship (Award No. 09/921(0188)/2017-EMR-I). The author is thankful to Dr. Ananda Dasgupta and Prof. Narayan Banerjee for providing valuable insights and suggestions which improved the quality of the work. The author thanks Dr. Soumya Chakrabarti for useful discussions and comments.
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Gupta Choudhury, S. Role of a magnetic field in the context of inhomogeneous gravitational collapse. Eur. Phys. J. Plus 137, 971 (2022). https://doi.org/10.1140/epjp/s13360-022-03205-5
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DOI: https://doi.org/10.1140/epjp/s13360-022-03205-5