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-rw-r--r--fortran/navy_four_levels/FourLevelPulseProp_Double.f9510
1 files changed, 5 insertions, 5 deletions
diff --git a/fortran/navy_four_levels/FourLevelPulseProp_Double.f95 b/fortran/navy_four_levels/FourLevelPulseProp_Double.f95
index da5d8fd..8e109f9 100644
--- a/fortran/navy_four_levels/FourLevelPulseProp_Double.f95
+++ b/fortran/navy_four_levels/FourLevelPulseProp_Double.f95
@@ -74,11 +74,11 @@ program FourLevelPulseProp_v3_Double
! Fundamental numbers
- ci=cmplx(0.,1.)
- pi=acos(-1.0)
- c=3e8
- hbar=1.055e-34
- epsil=8.85e-12
+ parameter( ci=cmplx(0.,1.) ) ! imaginary one
+ parameter( pi=acos(-1.0) ) ! pi=3.1415....
+ parameter( c=3e8 ) ! speed of light
+ parameter( hbar=1.054571726e-34 ) ! reduced Plank constant
+ parameter( epsil=8.85418781762e-12 ) ! Permittivity of free space
! Atomic numbers (based on Rubidium 87)
Gamma_super=2*pi*6e6 ! Characteristic decay of upper level in [1/s]