Therefore , the switching speed of a QCA is limited not by the time it takes for a cell to change polarization , but by the appropriate quasi-adiabatic switching time of the clocks being used .
This prevents ringing and metastable states observed when cells are switched abruptly .
The switching speed of a QCA is limited not by the time it takes for a cell to change polarization , but by the appropriate quasi-adiabatic switching time of the clocks being used .
This prevents ringing and metastable states observed when cells are switched abruptly .