[ale] Qubit vs bit
Bob
bobabc at bellsouth.net
Mon Aug 3 06:47:02 EDT 2020
From looking at the Bloch sphere representation at:
https://en.wikipedia.org/wiki/Qubit
it sounds like not only are you right, it's even more mind
boggling---one qubit can represent an uncountable number of states.
On 2020-08-02 11:37 p.m., David Jackson via Ale wrote:
> So if I'm starting to understand, our cubit could represent as many states
> 'n' as the algorithm we were employing required, so it would not need to be
> limited by a finite number of states for each bit, like 2 for the classical
> binary. So it could be 2^n for each qubit? So one program would measure
> 2^64 states per qubit, and another program might specify 2^48 states per
> qubit?
>
> Kind of boggles the mind...
>
> On Sun, Aug 2, 2020 at 9:56 PM Pete Hardie <pete.hardie at gmail.com> wrote:
>
>> My brief scan of the wiki for qubit leads me to believe it's still 0 or
>> 1, but with probabilities for each value, so it not just a "not 0 and not 1"
>>
>> On Sun, Aug 2, 2020, 21:25 David Jackson via Ale <ale at ale.org> wrote:
>>
>>> I'm trying to understand how superposition alters representing state.
>>>
>>> I was thinking we're talking it's 3**n where n is the length of the word
>>> length.
>>> Where each bit is either "on" "off" or both "on and off"
>>> (superposition). So unless I'm wrong, that would be a "trinary" language
>>> to represent state?
>>>
>>> I've read many articles and watched many YouTubes, but I'm just trying to
>>> understand the basic difference between a qubit and a bit in terms of
>>> representing state. I understand that the superposition allows for
>>> simultaneous state representation, but doesn't that still limit you to a
>>> "trinary" representation of state? 3**n ??
>>>
>>> Thanks in advance!
>>>
>>> Dave
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>>
>
>
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