Expansion-free Cylindrically Symmetric Models

M. Sharif; Z. Yousaf

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Expansion-free Cylindrically Symmetric Models

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arxiv 1311.2874 v1 pith:DO2JNITQ submitted 2013-10-30 gr-qc

Expansion-free Cylindrically Symmetric Models

M. Sharif , Z. Yousaf This is my paper

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keywords conditioncylindricallydistributionexpansion-freefamilyfluidmodelssolutions

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This paper investigates cylindrically symmetric distribution of an-isotropic fluid under the expansion-free condition, which requires the existence of vacuum cavity within the fluid distribution. We have discussed two family of solutions which further provide two exact models in each family. Some of these solutions satisfy Darmois junction condition while some show the presence of thin shell on both boundary surfaces. We also formulate a relation between the Weyl tensor and energy density.

Expansion-free Cylindrically Symmetric Models

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