[Users] Physical significance

[Roland Haas]

Hello Nisa,

> 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.
You can use the initial data provided by the thorns in EinsteinExact
with any spacetime evolution thorn compatible with the Einstein Toolkit
eg the McLachlan throrn that is part of the Einstein Toolkit. 

They can also be used as a background metric for eg a test-field
evolution code (either a hydrodynamics simulation using GRHydro or
IllinoisGRMHD) or a more exotic field for example using the proca field
evolution thorn that has recently been proposed for inclusion in the
Einstein Toolkit.

What particular application would you have in mind?

Yours,
Roland

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