CosmoCoffee

hello sir
i have a query that what should i write in params.ini file to use axioneffective fluid as dark energy model.
thanking you
regards
ravi kumar sharma

You can set dark_energy_model=AxionEffectiveFluid (and set other parameters then required)

thank you sir .

for this model to use in cosmomc which files ,one should make changes to vary the one of parameters say 'fde'.?

thanks in advance.
regards
ravi sharma