[Users] users at einsteintoolkit.org

[Roland Haas]

Hello Samuel,

Sorry for the long delay in responding. We are experiencing some issues
with the mailing list making incoming emails not be correctly forwarded
all the time.

Thank you for your interest in the toolkit. 

The thorns in the Canuda repository (ScalarBase, ScalarEvolve, etc.)
would indeed seem to be suitable for your application and
somewhat similar research is being done in Helvi Witek's research group
at UIUC, who is also one of the maintainers and authors of the Canuda
code.

I believe that e.g. initial data can be produces using eg the
TwoPunctures_KerrProca thorn (or a slight modification of it if a
scalar rather than a Proca field is required).

I have put her and the other maintainers (as listed in the README file)
in CC. They may most likely be able to provide more detailed comments
(or redirect you to a colleague closer to your timezone that can help).

Yours,
Roland

> Hi!
> 
> My name is Samuel Gómez, physics student doing his master in Uppsala
> university, Sweden. Currently I am doing my master thesis with Joshua
> Eby from Stockholm University about the phenomenology of
> Gravitational Atoms around Neutron Stars and Black Holes.
> 
> I would like to perform numerical simulations for a BH binary merger
> around a scalar cloud with EinsteinToolkit. From now, I have been
> able to simulate the example of the TOV star given in the
> EinteinToolkit official page in my laptop and soon I will gain access
> to a computer cluster where I hopefully will be able to install the
> Toolkit and perform a simulation for the example of a binary merger.
> But my aim is to be able to perform, maybe in its simplest version, a
> simulation of a merger around a scalar field, extracting information
> about both the evolution of the BHs and the scalar field itself.
> 
> The problem I face is that I am not sure at all if I will be able to
> do it without any parameter file. As far as I understood, my current
> version of the Toolkit already has installed thorns related with the
> implementation of a scalar field (if I am not mistaken, one example
> is ScalarBase). I thus send this email asking if it is possible to
> obtain a parameter file for simulating this scenario, or to provide
> me with any information about an existing tutorial on how to write
> one. Something like this would help me a lot. I would appreciate any
> answer.
> 
> Thanks!


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