Re:What makes quantum computing so hard to explain?
by btilly on Thursday June 10, 2021 @12:41AM
(#27456727)
By my limiting on QC, it is not approximately on target.
A q-bit really is a store of data that is equivalent to a bit. For example it can be a single trapped particle whose spin is in some superposition of up and down. What makes it different than a regular bit is that you can have 2 q-bits that are correlated, for example they are both in a superposition of up and down, but if one is up then the other is down and vice versa. Which means that an n q-bit system winds up being in some superposition of possible states, each of which is a sequence of n bits.
A q-bit really is a store of data that is equivalent to a bit. For example it can be a single trapped particle whose spin is in some superposition of up and down. What makes it different than a regular bit is that you can have 2 q-bits that are correlated, for example they are both in a superposition of up and down, but if one is up then the other is down and vice versa. Which means that an n q-bit system winds up being in some superposition of possible states, each of which is a sequence of n bits.