FIZIKA B 19 (2010) 1, 18
KANTOWSKISACHS COSMOLOGICAL MODELS WITH TIMEVARYING G AND L
R. K. TIWARI and U. DWIVEDI
Department of Mathematics, Government Model Science College, Rewa (M. P.) India
Received 21 February 2009 Accepted 27 January 2010
Online 19 March 2010
KantowskiSachs cosmological models with perfect fluid and time varying G and
L are presented. Exact solutions of the field equations are obtained by
using the scalar of expansion proportional to the shear scalar
q µ s,
which leads to a relation between the metric potentials A=B^{n}, where n
is a constant. The corresponding physical interpretation of the cosmological
solutions are also discussed.
PACS numbers: 04.20.Jb, 98.80Cqy
UDC 524.83
Keywords: cosmology, varying G and L,
KantowskiSachs model
