[General] Macroscopic quantum self-trapping

[John Williamson]

Dear David,

You are (at least partially) right.

Some comments: firstly one does not "go from a photon to an electron" - this conserves neither charge nor spin. One can, for example, go from two photons to an electron-positron or vice versa.

Secondly, at the single photon level, the problem is related to that of "quantum collapse" - for example the simple emission (and subsequent absorption) of a quantum. In QED this is merely a probability, not a process. One really needs to understand this (simpler) process before one even tries to say anything sensible about the detailed particle creation process.

To address this one needs to work within a proper theory that underpins both photon and electron. One needs wavefunctions. - not just hand-waving. Martin and I are working on elements of this within our theoretical framework at the moment.

I have no time to enter into a debate about this at the moment as it is far more productive to get on with solid work on the problem. I am, however, thinking of calling a workshop on these processes, to be held in or around Glasgow, during the summer.

Regards, John W.
________________________________
From: General [general-bounces+john.williamson=glasgow.ac.uk at lists.natureoflightandparticles.org] on behalf of davidmathes8 at yahoo.com [davidmathes8 at yahoo.com]
Sent: Wednesday, January 27, 2016 12:15 AM
To: Nature of Light and Particles - General Discussion
Subject: [General] Macroscopic quantum self-trapping

All,

I have had this concern that even with a model of a photonic electronic (pick any one), that we do not understand what the process(es) are to get from a photon to an electron.

Here is another candidate process. By locking photons together in a lattice called macroscopic quantum self-trapping, the energy becomes a solid or fluid like object.

Phys Letters X, Oct 2014
Observation of a Dissipation-Induced Classical to Quantum Transition<redir.aspx?REF=Oc1BLvNbfBB2p5KlHWhZAwn8rlxTLcIrmNjgWqLzAqQfuagN3ybTCAFodHRwczovL2pvdXJuYWxzLmFwcy5vcmcvcHJ4L2Fic3RyYWN0LzEwLjExMDMvUGh5c1JldlguNC4wMzEwNDM.>




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Observation of a Dissipation-Induced Classical to Quantu...<redir.aspx?REF=Oc1BLvNbfBB2p5KlHWhZAwn8rlxTLcIrmNjgWqLzAqQfuagN3ybTCAFodHRwczovL2pvdXJuYWxzLmFwcy5vcmcvcHJ4L2Fic3RyYWN0LzEwLjExMDMvUGh5c1JldlguNC4wMzEwNDM.>
A circuit for microwave photons provides a useful test bed for nonequilibrium physics.


View on journals.aps.org<redir.aspx?REF=Oc1BLvNbfBB2p5KlHWhZAwn8rlxTLcIrmNjgWqLzAqQfuagN3ybTCAFodHRwczovL2pvdXJuYWxzLmFwcy5vcmcvcHJ4L2Fic3RyYWN0LzEwLjExMDMvUGh5c1JldlguNC4wMzEwNDM.>

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"Solid" light reveals new insights about quantum mechanics<redir.aspx?REF=5hQ-f0QamYZk02d-JHq8wC3CML-yvPTtKizkcO1AMYIfuagN3ybTCAFodHRwOi8vd3d3Lmdpem1hZy5jb20vc29saWQtbGlnaHQtcXVhbnR1bS1tZWNoYW5pY3MvMzM4NjUvP2xpX3NvdXJjZT1MSSZsaV9tZWRpdW09ZGVmYXVsdC13aWRnZXQ.>




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"Solid" light reveals new insights about quantum mechani...<redir.aspx?REF=5hQ-f0QamYZk02d-JHq8wC3CML-yvPTtKizkcO1AMYIfuagN3ybTCAFodHRwOi8vd3d3Lmdpem1hZy5jb20vc29saWQtbGlnaHQtcXVhbnR1bS1tZWNoYW5pY3MvMzM4NjUvP2xpX3NvdXJjZT1MSSZsaV9tZWRpdW09ZGVmYXVsdC13aWRnZXQ.>
Scientists at Princeton University have developed a quantum system that locks individual photons together in such a way that they behave like a solid or liquid. The...


View on www.gizmag.com<redir.aspx?REF=5hQ-f0QamYZk02d-JHq8wC3CML-yvPTtKizkcO1AMYIfuagN3ybTCAFodHRwOi8vd3d3Lmdpem1hZy5jb20vc29saWQtbGlnaHQtcXVhbnR1bS1tZWNoYW5pY3MvMzM4NjUvP2xpX3NvdXJjZT1MSSZsaV9tZWRpdW09ZGVmYXVsdC13aWRnZXQ.>

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Best

David
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