Dear all,
I use the default code. Now I want to consider the tensor. When I set compute_tensors = T in params.ini, r10 is strangly equal to zero in the file_root.txt file. Which parameter should I modify besides compute_tensors when I want to compute tensor?
Thank you!
Jun-Qing Xia
COSMOMC: Problem on computing tensor
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Jun-Qing Xia
- Posts: 22
- Joined: January 02 2005
- Affiliation: SISSA, Italy
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Antony Lewis
- Posts: 1983
- Joined: September 23 2004
- Affiliation: University of Sussex
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Re: COSMOMC: Problem on computing tensor
You need to vary the tensor/scalar ratio - parameter 12 in params.ini otherwise it will be fixed to zero. You may also want to vary the spectral index, parameter 9.