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gr-qc2022★ 2 cited
Perfect fluid with shear viscosity and spacetime evolution
Inyong Cho, Rajibul Shaikh
We investigate the anisotropic evolution of spacetime driven by perfect fluid with off-diagonal shear-viscosity components. We consider the simplest form of the equation of state f…
gr-qc2022
Second-order energy-momentum tensor of a scalar field
Inyong Cho, Jinn-Ouk Gong, Seung Hun Oh
We investigate the second-order effective energy-momentum tensor (2EMT) constructed by the quadratic terms of the linear scalar cosmological perturbations while the universe is dom…