atomic_units.f90 File Reference

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Modules
module	atomic_units
	conversion factors for various units to/from atomic units based on the 2012-10-28 CODATA values from physics.nist.gov/constants

Variables
real(dp), parameter	atomic_units::au_as = 1.d0/24.18884326211233d0
	t [a.u.] = t [attoseconds] * au_as
real(dp), parameter	atomic_units::au_wcm2toel2 = 1.d0/3.5094452159384d16
	EF [a.u.] = sqrt(I [W/cm2] * au_Wcm2toEL2),.
real(dp), parameter	atomic_units::au_wcm2 = 1.d0/6.436409342904736d15
	I [a.u.] = I [W/cm2] * au_Wcm2.
real(dp), parameter	atomic_units::au_cm = 1.d0/5.2917721092d-9
	x [a.u.] = x [cm] * au_cm
real(dp), parameter	atomic_units::au_nm = 1.d0/5.2917721092d-2
	x [a.u.] = x [nm] * au_nm
real(dp), parameter	atomic_units::au_c = 137.035999074
	speed of light in a.u. == 1/alpha
real(dp), parameter	atomic_units::au_ev = 1.d0/27.21138505732838d0
	E [a.u.] = E [eV] * au_eV (in Hartree atomic units).