scholarly journals Bianchi type I, Schutz perfect fluid and evolutionary quantum cosmology

2019 ◽  
Vol 51 (9) ◽  
Author(s):  
Fatimah Tavakoli ◽  
Babak Vakili
2002 ◽  
Vol 11 (08) ◽  
pp. 1195-1207 ◽  
Author(s):  
ANIRUDH PRADHAN ◽  
ANIL KUMAR VISHWAKARMA

Barber's second self creation theory with perfect fluid source for an LRS Bianchi type-I metric is considered using deceleration parameter to be constant where the metric potentials are taken as functions of x and t. In particular, some exact solutions have also been obtained for the vacuum universe, Zel'dovich universe and radiation universe. Some physical properties of the models are also discussed.


2006 ◽  
Vol 47 (4) ◽  
pp. 042505 ◽  
Author(s):  
T. Christodoulakis ◽  
Th. Grammenos ◽  
Ch. Helias ◽  
P. G. Kevrekidis ◽  
A. Spanou

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