In a message dated 6/30/2003 7:35:37 PM GMT Daylight Time, ... I think perhaps there is a bit of confusion about what is being said here. The wavefunction is...
In a message dated 6/30/2003 7:35:37 PM GMT Daylight Time, ... Good question. I *think* the MWI actually claims that "universes" are approximations - Steven...
In a message dated 6/30/2003 7:50:06 PM GMT Daylight Time, ... This could be an example (in the MWI) of universes merging. If the photons from the 2 lasers...
In a message dated 01/07/03 15:08:42 GMT Daylight Time, PaintedDevil@... ... Well, perhaps, except that the same wave function describes the amplitude for ...
SimonJAnthony@...
Jul 1, 2003 4:10 pm
7502
Hello Borzu, how are you? ... I'd certainly agree that this picture is incomplete. Really, we are interested in the wave aspects of photons in this particular...
... I also think this is true. The SWE defines the wavefunction over the multiverse; we find it convenient to lump certain parts of it together because...
Hello Henry, I don't think this would be consistent with the Aspect experiments, which indicate that the quantum correlations do occur even when the axis of...
Hi Eric, ... I don't think there's any problem with photons interfering with other photons. The reason we concentrate on single photon experiments is that the...
Hi Charles, ... I'd agree with this point of view entirely. The wavefunction propagates through classical space-time AFAIK; I believe this is why quantum ...
Hello Matt, Perhaps I didn't explain it well enough. I'm working on an article right now about EPR, which I'll post to this list, and I'll try to explain it ...
Henry Sturman
henry@...
Jul 1, 2003 7:50 pm
7509
Hi Matt, Actually, I don't really think there is anything wrong about photons interfering with one another. The reason I was intrigued is because I read this...
Hello Simon, You've raised some interesting questions with this one. ... OK. So, before the measurement we have O1 and Q. We decompose the wavefunction Q...
Hello Simon, ... If a particular photon really does have a single specific value of frequency, it must be infinite in extent and therefore contain no ...
In a message dated 7/1/2003 6:36:45 PM GMT Daylight Time, m@... ... What bothers me is that electrons are fermions and photons are bosons, and AFAIK...
There is a diffference between interference and interaction. There is no interaction between different photons, but I believe (that's what I am trying to...
Hi Charles, ... That's because electrons have half-integral spin, and photons have integral spin. The Pauli exclusion principle only applies to things with...
Dear Matt As there were several points in your answer to my recent posts, some of which need a little more thought that others, I'll respond in instalments....
SimonJAnthony@...
Jul 3, 2003 12:38 pm
7516
Dear Matt It's more of a general point concerning decoherence than specifically arising from your comments... ... but, if decoherence "works" in subjectively...
SimonJAnthony@...
Jul 3, 2003 12:38 pm
7517
In a message dated 7/2/2003 11:35:50 PM GMT Daylight Time, m@... ... I stand corrected. Thanks, that makes more sense. Charles [Non-text portions of...
In a message dated 7/3/2003 1:39:58 PM GMT Daylight Time, ... I don't know if I can explain this very coherently, but I will try.... The MWI hypothesis is less...
At 06:19 03/07/03 -0400, Simon wrote: <snip> ... It is exactly *because* the projection is *subjective* that it would be extravagant to make it capable of...
Bruno Marchal
marchal@...
Jul 3, 2003 1:23 pm
7520
... When one ... appears that ... possibly ... of ... (you + ... system ... objective ... Decoherence is ... combined ... state onto ... have one ... occurs...
... You could see the wave as a sort of map describing the accessible results of position, say, of the photon you will observe. So in a sense you could equate ...
Bruno Marchal
marchal@...
Jul 3, 2003 1:23 pm
7522
In a message dated 03/07/03 14:26:16 GMT Daylight Time, PaintedDevil@... ... I don't think that anything extra needed. Each time an experiment is rerun, ...
SimonJAnthony@...
Jul 3, 2003 1:49 pm
7523
In a message dated 03/07/03 14:25:47 GMT Daylight Time, marchal@... ... I only used the word "subjective" because Matt used it in his (now deleted) ...
SimonJAnthony@...
Jul 3, 2003 1:49 pm
7524
In a message dated 03/07/03 14:24:50 GMT Daylight Time, marchal@... ... I don't think it's very sensible to equate the statistics of something happening...
SimonJAnthony@...
Jul 3, 2003 1:50 pm
7525
... I think Bruno is right -- the Photon wfn is the integral over all universes of all the little-p photons (particles). In any universe the wfn can be ...
In a message dated 03/07/03 14:25:39 GMT Daylight Time, ... The effect of decoherence, whether in one or many universes is projection onto eigenstates. In the...
SimonJAnthony@...
Jul 3, 2003 2:41 pm
7527
Hi Gary, ... OK, with you so far... ... I'm a little troubled by adopting this wholesale. While this picture may be useful, I don't think it helps us with the...
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