[Users] Physical significance

[Erik Schnetter]

Nisa

There are two important use cases for this arrangement:

(1) To test the Einstein Toolkit; by re-caculating a knows solution one
confirms that the spacetime geometry solver in the Einstein Toolkit is
working as expected.

(2) To analyse these spacetimes or to evolve test fields in them. For
example, we can study the behaviour of horizons in known solutions, or
trace geodesics, or evolve test matter fields in these spacetimes. Those
calculations might otherwise be impossible, even though the geometry of the
spacetime is known analytically. See e.g. <
https://arxiv.org/abs/gr-qc/0511017> or <https://arxiv.org/abs/1007.2990>
for examples.

-erik



On Mon, Jan 22, 2018 at 9:18 AM, Nisa Amir <nisaamir at math.qau.edu.pk> wrote:

> Hello everyone,
>
> I want to ask that if we compute any space-time in EinsteinExact
> arrangement in initial data form where we can can use this initial data
> set? what is the physical significance of this thorn arrangement.
> Your help will be highly appreciated.
>
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>


-- 
Erik Schnetter <schnetter at cct.lsu.edu>
http://www.perimeterinstitute.ca/personal/eschnetter/
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