BiGONLight: light propagation with bi-local operators in Numerical Relativity
BiGONLight, Bi-local Geodesic Operators framework for Numerical Light propagation, is a new tool for light propagation in Numerical Relativity. The package implements the Bi-local Geodesic Operators formalism, a new framework for light propagation in General Relativity. With BiGONLight it is possibl...
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| creator | Grasso, Michele Villa, Eleonora |
| description | BiGONLight, Bi-local Geodesic Operators framework for Numerical Light propagation, is a new tool for light propagation in Numerical Relativity. The package implements the Bi-local Geodesic Operators formalism, a new framework for light propagation in General Relativity. With BiGONLight it is possible to extract observables such as angular diameter distance, luminosity distance, magnification as well as new real-time observables like parallax and redshift drift within the same computation. As test-bed for our code we consider two cosmological models, the \(\Lambda\)CDM and the inhomogeneous Szekeres model, and a simulated dust universe. All our tests show an excellent agreement with known results. |
| doi_str_mv | 10.48550/arxiv.2107.06306 |
| format | Article |
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| subjects | Astronomical models Cosmology Luminosity Numerical relativity Operators Parallax Physics - General Relativity and Quantum Cosmology Propagation Red shift Relativity Theory of relativity |
| title | BiGONLight: light propagation with bi-local operators in Numerical Relativity |
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