FIZIKA B 19 (2010) 4 , 239-246

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FIVE-DIMENSIONAL LRS BIANCHI TYPE-1 STRING COSMOLOGICAL MODEL IN GENERAL RELATIVITY

G. MOHANTYa and G. C. SAMANTAb
aP. G. Department of Mathematics, Sambalpur University, Jyoti Vihar-768019, India     703, Rameswarpatna, Bhubaneswar-751002, India
E-mail address: ganeshwarm@yahoo.com
bDepartment of Mathematics, Gandhi Institute for Technological Advancement (GITA), Madanpur-752054, India
E-mail address: gauranga1981@yahoo.co.in

Received 29 March 2010;     Revised manuscript received 16 January 2011
Accepted 19 January 2011     Online 15 April 2011

Field equations in the presence of cosmic string source are obtained in general theory of relativity in Kaluza-Klein type space-time. An exact inflationary string cosmological model is obtained in which the sum of tension density and rest energy density of strings vanishes. Some physical and geometrical properties of the model are discussed.

PACS numbers: 04.50.+h, 11.10.Lm, 98.80.Cq
UDC 524.83

Keywords: Kaluza-Klein type space-time, string cosmology, general relativity

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