doublet state
mixed quantum state of a system with a spin of 1/2, such that there are two allowed values of the spin component, −1/2 and +1/2
en-GB/ˈdʌblɪt ˈsteɪt/
en-US/ˈdʌblɪt ˈsteɪt/
mixed quantum state of a system with a spin of 1/2, such that there are two allowed values of the spin component, −1/2 and +1/2