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2021 ◽  
Vol 13 (3) ◽  
pp. 03022-1-03022-5
Author(s):  
Laxmi Poonia ◽  
◽  
Sanjay Sharma ◽  
Sunil Kumawat ◽  
◽  
...  


2020 ◽  
Vol 8 (2) ◽  
pp. 108-111
Author(s):  
Anil S. Nimkar ◽  
◽  
Vaishnvi M. Wankhade ◽  
Ashok M. Pund ◽  
◽  
...  

In this paper, we have studied the field equation in the context of cosmic string source in the scalar-tensor theories of gravitation given by Brans and Dicke and Saez-Ballester with the aid of Ruban’s Space time. Exact cosmological models in both the theories are presented with the help of special law of variation suggested by Berman (1983) and relation between metric coefficient nnRxQ=. Finally, some physical and kinematical properties of the model are carried out.



2020 ◽  
Author(s):  
E. Hager ◽  
J. Wallace ◽  
C. Craiggs ◽  
P. Fontana


Author(s):  
Koppineni R N V Subbarao ◽  
Atti V V Srinivas ◽  
Bharanikani V Krishna
Keyword(s):  


Author(s):  
Koppineni R. N. V. Subbarao ◽  
Atti V. V. Srinivas ◽  
Bharanikani V. Krishna
Keyword(s):  


2011 ◽  
Vol 26 (09) ◽  
pp. 1651-1657 ◽  
Author(s):  
S. D. KATORE ◽  
A. Y. SHAIKH

Field equations in the presence of cosmic string source are obtained in Barber's second self-creation theory of gravitation (Gen. Relativ. Gravit.14, 117 (1982)) with the aid of Einstein–Rosen cylindrically symmetric metric. A static vacuum model and a nonstatic exact string cosmological model are presented which represents Reddy string (Astrophys. Space Sci.286, 365 (2003)) in self-creation theory. Some physical and kinematical properties of the model are also discussed.



1993 ◽  
Vol 202 (1) ◽  
pp. 69-75 ◽  
Author(s):  
Sudeepto Bhattacharya ◽  
T. M. Karade


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