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Geometrical structure in a perfect fluid spacetime with conformal Ricci-Yamabe soliton (2105.11142v1)

Published 24 May 2021 in math.DG

Abstract: The present paper is to deliberate the geometric composition of a perfect fluid spacetime with torse-forming vector field {\xi} in connection with conformal Ricci-Yamabe metric and conformal {\eta}-Ricci-Yamabe metric. Here we have delineated the conditions for conformal Ricci-Yamabe soliton to be expanding, steady, or shrinking. Later, we have acquired Laplace equation from conformal {\eta}-Ricci-Yamabe soliton equation when the potential vector field {\xi} of the soliton is of gradient type. Lastly, we have designated perfect fluid with Robertson-Walker spacetime and some applications of physics and gravity.

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