Re: Quantum computer using using artificial atoms.
From: Beth (sneezie_at_unlisted.net)
Date: 02/27/05
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Date: Sat, 26 Feb 2005 23:52:54 GMT
In article <1109457435.705239.127290@g14g2000cwa.googlegroups.com>,
<jstevh@msn.com> wrote:
> Trevor L. Jackson, III wrote:
> > jstevh@msn.com wrote:
> > > Hey, go ahead. The reality is that quantum computers must
> implement
> > > ideas that can be mathematicized, and when mathematicized, they can
> be
> > > done on a gp computer.
> > No.
> That betrays a mystical belief about quantum mechanics, as if quantum
> effects are not logical.
> They are.
Yes, you can simulate quantum computing on a classical computer. The
problem is efficiency. An algorithm that runs in quantum polynomial
time may not run in polynomial time when simulated on a classical
computer. The physics and the mathematics of quantum circuits are
computationally more powerful than the physics and mathematics of
classical circuits. In my opinion, there is a lot of mystical nonsense
associated with quantum physics, but the difference in computational
power is real.
Recommended reading: Quantum Computation and Quantum Information,
Michael A. Nielson and Isaac L. Chuang, Cambridge University Press,
ISBN 0-521-63503-9
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