Abstract
The present paper focused on Vaidya spacetime admitting a conformal Ricci soliton. We derive the expressions for the four components of the associated vector field V and demonstrate that, under this condition, the spacetime reduces to the Schwarzschild spacetime. Furthermore, we determine the necessary expression for the potential function f to establish the existence of a conformal gradient Ricci soliton in the Vaidya spacetime and we provide the condition for which the soliton is shrinking, steady or expanding.
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Acknowledgements
The authors express their heartfelt gratitude to the Editor and the anonymous referees for their time and recommendations for improving the manuscript. The first author is thankful to the Ministry of Tribal Affairs, Government of India for financial support in the form of NFST Fellowship (202122-NFST-MIZ-00195).
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Conceptualization, CZ; Formal analysis, CZ and JPS; Methodology, CZ; Writing-original draft, CZ; Writing-review and editing, CZ; Validation, CZ and JPS. All authors have read and agreed to the final format of the manuscript.
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Chhakchhuak, Z., Singh, J.P. Conformal Ricci solitons on Vaidya spacetime. Gen Relativ Gravit 56, 11 (2024). https://doi.org/10.1007/s10714-023-03192-7
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DOI: https://doi.org/10.1007/s10714-023-03192-7