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From: rmiller <rmiller.domain.name.hidden>

Date: Sat, 18 Jun 2005 12:05:17 -0500

All,

Though we're not discussing entanglement per se, some of these examples

surely meet the criteria. So, my thought question for the day: is the

method of copying important?

Example #1: we start with a single marble, A. Then, we magically

create a copy, marble B--perfectly like marble B in every way. . .that is,

the atoms are configured similarly, the interaction environment is the

same--and they are indistinguishable from one another.

Example #2: we start with a single marble A. Then, instead of

magically creating a copy, we search the universe, Tegmarkian-style, and

locate a second marble, B that is perfectly equivalent to our original

marble A. All tests both magically avoid QM decoherence problems and show

that our newfound marble is, in fact, indistinguishable in every way from

our original.

Here's the question: Are the properties of the *relationship*

between Marbles A and B in Example #1 perfectly equivalent to those in

Example #2?

If the criteria involves simply analysis of configurations at a

precise point in time, it would seem the answer must be "yes." On the

other hand, if the method by which the marbles were created is crucial to

the present configuration, then the answer would be "no."

R. Miller

Received on Sat Jun 18 2005 - 13:10:32 PDT

Date: Sat, 18 Jun 2005 12:05:17 -0500

All,

Though we're not discussing entanglement per se, some of these examples

surely meet the criteria. So, my thought question for the day: is the

method of copying important?

Example #1: we start with a single marble, A. Then, we magically

create a copy, marble B--perfectly like marble B in every way. . .that is,

the atoms are configured similarly, the interaction environment is the

same--and they are indistinguishable from one another.

Example #2: we start with a single marble A. Then, instead of

magically creating a copy, we search the universe, Tegmarkian-style, and

locate a second marble, B that is perfectly equivalent to our original

marble A. All tests both magically avoid QM decoherence problems and show

that our newfound marble is, in fact, indistinguishable in every way from

our original.

Here's the question: Are the properties of the *relationship*

between Marbles A and B in Example #1 perfectly equivalent to those in

Example #2?

If the criteria involves simply analysis of configurations at a

precise point in time, it would seem the answer must be "yes." On the

other hand, if the method by which the marbles were created is crucial to

the present configuration, then the answer would be "no."

R. Miller

Received on Sat Jun 18 2005 - 13:10:32 PDT

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