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gr-qc2020
Disintegration and expansion of wormholes
I. D. Novikov, D. I. Novikov, S. V. Repin
We consider the process of catastrophic expansion of a spacelike wormhole after a violation of its equilibrium state. The dynamics of deformation of the comoving reference frame is…
gr-qc2018
Stars creating a gravitational repulsion
I. D. Novikov, G. S. Bisnovatyi-Kogan, D. I. Novikov
In the framework of the Theory of General Relativity, models of stars with an unusual equation of state , where is the mass density and is the pressure, are c…