A virtual trip to the Schwarzschild-de Sitter black hole

Details A virtual trip to the Schwarzschild-de Sitter black hole A virtual trip to the Schwarzschild-de Sitter black hole

2006-12-20

arxiv.org/abs/gr-qc/0612124v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Presented at Eleventh Marcel Grossmann Meeting on General Relativity, Berlin

Scientific paper

We developed realistic fully general relativistic computer code for simulation of optical projection in a strong, spherically symmetric gravitational field. Standard theoretical analysis of optical projection for an observer in the vicinity of a Schwarzschild black hole is extended to black hole spacetimes with a repulsive cosmological constant, i.e, Schwarzschild-de Sitter spacetimes. Influence of the cosmological constant is investigated for static observers and observers radially free-falling from static radius. Simulation includes effects of gravitational lensing, multiple images, Doppler and gravitational frequency shift, as well as the amplification of intensity. The code generates images of static observers sky and a movie simulations for radially free-falling observers. Techniques of parallel programming are applied to get high performance and fast run of the simulation code.

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