From: CYMM (cymm@trinidad.net)
Date: Sat Aug 12 2000 - 12:33:10 MDT
CYMM ASKS: But, does anyone know at what linear scale & what temperature
etc. the superposition of quantum dot bit-states will be stable enough to do
real quantum computing?
-----Original Message-----
From: Wilson <wilson@supremetyrant.com>
To: extropians@extropy.org <extropians@extropy.org>
Date: Friday, August 11, 2000 10:38 PM
Subject: Re: OT: Quantum Computing -- NOT
>Well, it's not "quantum computing" in the sense of superposition, but it is
>computing that makes use of quantum effects.. Thus, in my book, it's
>quantum computing.
>
>--Wilson.
>
>At 03:18 PM 8/11/00 -0700, you wrote:
>>This story (although of interest) is about quantum dots, not quantum
>>computing. Holding a bit in a quantum dot does not make it a coherent
>>superposition of quantum states. (see:
>>http://www.qubit.org/intros/comp/comp.html)
>>
>>-Ken
>>
>>
>>Wilson wrote:
>>
>> > These guys have built a working quantum switch.. It can store a 0 or a
1 in
>> > a 4-dot cell using only quantum tunneling for communication.
>> >
>> > http://helix.nature.com/nsu/000810/000810-7.html
>> >
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