a superposition of both spin states?

a superposition of both spin states = a superposition of both upwards and downwards spin states?

So the superposition = a still state?



Context:

The rubidium atoms can be described by a so-called spin, which can be oriented either upwards or downwards. The ground state of the atoms in the BEC corresponds to a downwards oriented spin. A microwave pulse which is applied to the BEC now rotates the spins such that each atom is in a superposition of both spin states.
More:
http://www.sciencedaily.com/releases/2010/04/100401101810.htm