List of Symbols

Units



electron volt 


1 eV = 
$1.602 176 462{\cdot}10^{-19}$ J 


atomic mass unit 


1 amu = 
$1.660 538 73{\cdot}10^{-27}$ kg 




Physical Constants



elementary charge 


e $\equiv$ 
$1.602 176 462{\cdot}10^{-19}$ As 


Bohr radius 


a$_0$ $\equiv$ 
$0.529 177 2083{\cdot}10^{-10}$ m 


Planck constant 

$h$ $\equiv$ 
$6.626 068 76{\cdot}10^{-34}$ J s 
$\hbar$ = 
$\frac{h}{2\pi}$ $\equiv$ 
$1.054 571 596{\cdot}10^{-34}$ J s