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params_MG.ini
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params_MG.ini
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# **********************************************************
# __ _________ ________ __ ______
# / \/ / ____/ / ___/ _ | / |/ / _ )
# / /\_/ / /_,-, / /__/ __ |/ /|_/ / _ |
# /_/ /_/_____/ \___/_/ |_/_/ /_/____/
#
# Modified Growth with CAMB
#
# **********************************************************
###### Part 1. Choose the Modified Growth flag
# MG_flag = 0 : default GR
# MG_flag = 1 : pure MG models
# MG_flag = 2 : alternative MG models
# MG_flag = 3 : QSA models
MG_flag = 1
# Choose at which time to turn on MG
GRtrans = 0.001d0
###### Part 2.1 - Pure MG models
# pure_MG_flag = 1 : mu, gamma parametrization
# pure_MG_flag = 2 : mu, sigma parametrization
# pure_MG_flag = 3 : Q, R parametrization
pure_MG_flag = 1
###### Part 2.2 - Alternative MG models
# alt_MG_flag = 1 : Linder Gamma parametrization ( introduced in arXiv:0507263 )
alt_MG_flag = 1
###### Part 2.3 - QSA models
# QSA_flag = 1 : f(R)
# QSA_flag = 2 : Symmetron
# QSA_flag = 3 : Dilaton
# QSA_flag = 4 : Hu-Sawicki f(R)
QSA_flag = 4
###### Part 3.1.1. - mu, gamma functions
# mugamma_par = 1 : BZ parametrization ( introduced in arXiv:0809.3791 )
# mugamma_par = 2 : Planck parametrization
# mugamma_par = 3 : MMmod: For some weird reason this exists and it's identically LCDM.
# I found it here, it's not my fault!
# mugamma_par = 4 : MMmod: binned functions
mugamma_par = 4
#BZ parameters:
B1 = 1.333
lambda1_2 = 1000
B2 = 0.5
lambda2_2 = 1000
ss = 4
#Planck parameters
E11 = 0.5
E22 = 0.1
#E11 = 0.
#E22 = 0.
#MMmod: Binned functions
#MGbins = 11
#s_fac = 10
#z_b = 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 3.5
#mu_b = 1.30807569 1.2463282 1.19355411 1.15124546 1.1184758 1.09347542 1.07446399 1.05995327 1.04879422 1.04013126 1.
#eta_b = 1.06161514 1.04926564 1.03871082 1.03024909 1.02369516 1.01869508 1.0148928 1.01199065 1.00975884 1.00802625 1.
---------------ENTRIES FOR MGCAMB RECONSTRUCTION---------------
MGbins = 20
s_fac = 10
z_b = 0.0 0.2631578947368421 0.5263157894736842 0.7894736842105263 1.0526315789473684 1.3157894736842104 1.5789473684210527 1.8421052631578947 2.1052631578947367 2.3684210526315788 2.631578947368421 2.894736842105263 3.1578947368421053 3.4210526315789473 3.6842105263157894 3.9473684210526314 4.2105263157894735 4.473684210526316 4.7368421052631575 5.0
mu_b = 1.297904685787941 1.2200401432968724 1.1593080364369706 1.1155108064929307 1.0848344688103075 1.0634057311469338 1.0482823879999976 1.0374381120600569 1.0295227138293717 1.0236412577917804 1.0191960971203056 1.0157827620410114 1.0131231760462884 1.0110229942853357 1.0093441716331457 1.0079871157018292 1.0068789111508023 1.0059654328228929 1.00520598358811 1.00520598358811
eta_b = 1.0595809371575882 1.0440080286593745 1.031861607287394 1.0231021612985858 1.0169668937620615 1.0126811462293868 1.0096564775999994 1.0074876224120113 1.0059045427658742 1.0047282515583562 1.003839219424061 1.0031565524082022 1.0026246352092578 1.002204598857067 1.001868834326629 1.001597423140366 1.0013757822301608 1.0011930865645786 1.0010411967176218 1.0010411967176218
---------------------------------------------------------------
###### Part 3.1.2. - mu, Sigma functions
# musigma_par = 1 : DES parametrization
musigma_par = 1
mu0 = -1
sigma0 = 0
###### Part 3.1.3. - Q,R functions
# QR_par = 1 : (Q,R) ( introduced in arXiv:1002.4197 )
# QR_par = 2 : (Q0,R0,s) ( introduced in arXiv:1002.4197 )
QR_par = 1
#Bean parameters :
#(Q,R)
MGQfix=1
MGRfix=1
#(Q0,R0,s)
Qnot=1.
Rnot=1.
sss=0
##### Part 3.2.1 - Linder Gamma
# Linder's gamma :
Linder_gamma = 0.545
##### Part 3.3.1 - QSA f(R) model
B0 = 1.d-3
##### Part 3.3.2 - QSA Symmetron model
beta_star = 1.0d0
a_star = 0.5d0
xi_star = 0.001d0
##### Part 3.3.3 - QSA Dilaton model
beta0 = 1.d0
xi0 = 0.0001
DilS = 0.24d0
DilR = 1.d0
A2 = 1e3
##### Part 3.3.4 - QSA Hu-Sawicki f(R)
F_R0 = 5.0e-6
FRn = 1.d0
##### Part 4. Parameters for the DE model
# Note that the modification of the background works only for pure MG models.
#
# DE_model = 0 : LCDM
# DE_model = 1 : wCDM
# DE_model = 2 : (w0,wa)CDM
# DE_model = 3 : user defined
DE_model = 2
# DE model 1 (choose w0DE) 2 (choose both)
w0DE = -1.d0
waDE = 0.d0