log_w_model¶
Implement Tripathi, Sangwan, Jassal (2017) w(z) model
File |
background/log_w_model/log_w_model.py |
Attribution |
CosmoSIS Team |
URL |
|
Citations |
Tripathi, Sangwan, Jassal (2017) |
This w(z) model is several of the example scripts; it uses w(z) = w_0 + w_1 log(1 + z)
Nothing else is calculated here.
Assumptions¶
w(z) = w_0 + w_1 log(1 + z)
Setup Parameters¶
Name |
Type |
Default |
Description |
|---|---|---|---|
zmax |
real |
3.0 |
Maximum redshift to tabulate w(z) to |
nz |
int |
301 |
Number of redshifts to tabulate w(z) at |
Input values¶
Section |
Name |
Type |
Default |
Description |
|---|---|---|---|---|
cosmological_parameters |
w |
real |
w0 dark energy equation of state parameter today |
|
w1 |
real |
w1 dark energy equation of state change with log(1+z) |
Output values¶
Section |
Name |
Type |
Description |
|---|---|---|---|
de_equation_of_state |
a |
real 1d |
Scale factor at tabulated points |
z |
real 1d |
Redshift at tabulated points |
|
w |
real 1d |
Equation of state at tabulated points |