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hep-th2021
Inhomogeneous Generalization of Einstein's Static Universe with Sasakian Space
Hideki Ishihara, Satsuki Matsuno
We construct exact static inhomogeneous solutions to Einstein's equations with counter flow of particle fluid and a positive cosmological constant by using the Sasaki metrics on th…
hep-th2021
Godel-type Solutions in Einstein-Maxwell-Scalar Field Theories
Hideki Ishihara, Satsuki Matsuno
We show that one-parameter family of Godel-type metrics are exact solutions in a wide class of Einstein-Maxwell-scalar field theories. In these solutions, the gauge field has a 1-f…