Variables
static const double	characteristic_impedance_of_vacuum = 376.730313461
static const double	electric_constant = 8.854187817e-12
static const double	magnetic_constant = 12.566370614e-07
static const double	newtonian_constant_of_gravitation = 6.67428e-11
static const double	plank_constant = 6.62606896e-34
static const double	plank_constant_in_ev_s = 4.13566733e-15
static const double	plank_constant_over_2pi = 1.054571628e-34
static const double	plank_constant_over_2pi_in_ev_s = 6.58211899e-16
static const double	plank_constant_over_2pi_times_c_in_mev_fm = 197.3269631
static const double	plank_length = 1.616199e-35
static const double	plank_mass = 2.17644e-8
static const double	plank_mass_energy_equivalent_in_gev = 1.220892e19
static const double	plank_temperature = 1.416785e32
static const double	plank_time = 5.39124e-44
static const double	speed_of_light_in_vacuum = 299792458

Detailed Description

Universal physical constants.

Variable Documentation

Characteristic impedance of vacuum: $Z_0$ . Unit: $\Omega$ .

Electric constant: $\epsilon_0$ . Unit: ${\rm F\,m}^{-1}$ .

Magnetic constant: $\mu_0=4\times\pi\times10^{-7}$ . Unit: ${\rm N\,A}^{-1}$ .

Characteristic Newtonian constant of gravitation: $G$ . Unit: ${\rm m}^{3}\,{\rm kg}^{-1}\,{\rm s}^{-2}$ .

Planck constant: $h$ . Unit: $\rm J\,s$ .

Planck cosntant in eV\,s: $\hbar$ . Unit: $\rm eV\,s$ .

Planck cosntant $h/2\pi$ : $\hbar$ . Unit: $\rm J\,s$ .

Planck cosntant in eV\,s: $\hbar$ . Unit: $\rm eV\,s$ .

Planck constant $\hbar$ in MeV\,fm: $\hbar$ . Unit: $\rm MeV\,fm$ .

Planck length $l_{\rm P}$ . Unit: $\rm m$ .

Planck mass $(\frac{\hbar}{G})^{1/2}$ : $mp$ . Unit: $\rm kg$ .

Planck mass energy equivalent in GeV: $mpc^{2}$ . Unit: $\rm GeV$ .

Planck temperature $\left(\frac{\hbar c^{5}}{G}\right)^{1/2}/k$ : $T_{\rm P}$ . Unit: $\rm K$ .

Planck time $lp/c=\left(\frac{\hbar G}{c^{5}}\right)^{1/2}$ : $tp$ . Unit: $\rm s$ .

Characteristic speed of light in vacuum: $c,c_{0}$ . Unit: ${\rm m\,s}^{-1}$ .