X-Message-Number: 21780
From: 
Date: Tue, 20 May 2003 17:21:11 EDT
Subject: Alternative to nanotech

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Assume you have two entangled photons, A and B. A interact with an atom c so 
that now c and B are entangled, A is no more a part of the play. Next, B 
interact with atom d, so that c and d are entangled. The atom c could be in 
some aparatus and d in a body many meters away. May be d would be liked in a 
chemical link we want to broke, the similar atom c could be put in an excited 
state intermediate between a chemical linked one and a solitary state. This 
would catalyse the chemical breaking, the way enzymes do it.

Simply, here, the enzyme action is applied to c in a machine. The excited 
state is then carried on d by entanglement. This would do a nanotech work 
without nanodevice.

Next, assume there are many photons B: B1, B2, ... Each in a different 
quantification, so each has a full copy the the state found in A. Each B 
could be used to make an entanglement with an atom d1, d2,... When working on 
c we could "repair" thousands or millions of similar problems at different 
places, all at the same time.

Think this system could work at room temperature and pressure, so it could be 
used on a living person. It could be used as well to repair DNA or burst 
viruses....

This seems far more interesting as nano devices no one know how to produce. 
Here, we know how to work out each element of the solution: Entanglement, 
four waves interferometer, squeezing states to select a quantification axis 
in Tsutsui quantification and so on.

Such a device could be a direct and rather simple extension of an intensity 
interferometer scanner.

Yvan Bozzonetti.

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