6533b7dbfe1ef96bd12715f6

RESEARCH PRODUCT

Two-Perfect Fluid Interpretation of an Energy Tensor

Joan Josep FerrandoMiquel PortillaJuan Antonio Morales

subject

Weyl tensorPhysicsTensor contractionFluidsPhysics and Astronomy (miscellaneous)Geometria diferencialMathematical analysisTensor fieldPhysics::Fluid Dynamicssymbols.namesakeExact solutions in general relativityRelativitat general (Física)symbolsSymmetric tensorStress–energy tensorTensorTensor density

description

The paper contains the necessary and sufficient conditions for a given energy tensor to be interpreted as a sum of two perfect fluids. Given a tensor of this class, the decomposition in two perfect fluids (which is determined up to a couple of real functions) is obtained.

10.1007/bf00757813https://doi.org/10.1007/BF00757813