Physics – Fluid Dynamics
Scientific paper
Dec 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985rspsa.402..205c&link_type=abstract
Royal Society (London), Proceedings, Series A - Mathematical and Physical Sciences (ISSN 0080-4630), vol. 402, no. 1823, Dec. 9,
Physics
Fluid Dynamics
13
Einstein Equations, Fluid Dynamics, Gravitational Waves, Ideal Fluids, Wave Interaction, Coordinate Transformations, Cosmology, Gauge Theory, Singularity (Mathematics), Space-Time Functions
Scientific paper
Some exact solutions of Einstein's equations are found which represent the interaction of gravitational waves with a perfect fluid in which the velocity of sound equals the velocity of light. These solutions, unlike the solutions representing the collision of impulsive gravitational waves, are bounded by a space-time singularity and have some resemblance to cosmological solutions: every time-like trajectory, extended into the past, encounters the singularity. Moreover, in the generic case, matter may be considered as being created at the singularity.
Chandrasekhar Subrahmanyan
Xanthopoulos Basilis C.
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