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Tag » Roy Glauber

On Jun 27, 2013, at 12:04 AM, JACK SARFATTI <adastra1@me.com> wrote:

there are results in A that may be more relevant because it deals with bound states.
None of the S-Matrix papers deal with mundane electrical power engineering
i.e. quasi-static non-radiative near fields of say capacitors, solenoids, electric motors and dynamos, power lines with small radiative leaking.
Of course classical EM provides a practical theory for electrical engineers, but our problem is to see how this very practical world fits in with QED S-Matrix. We are not interested here in scattering input real particles into output real particles. We are interested rather in the quantum description of the near EM fields.

Also, ordinary S-Matrix never deals with coherent Glauber states only with Fock states.

Of course a classical current Ju makes Glauber coherent states - but for near fields the photons are virtual not real.

The Gorkov method for BCS superconductor is more to the point - there the Glauber coherent states of Cooper pairs is an emergent non-perturbative effect from summing I think and infinity of tree Feynman diagrams? So that is one way to think of spontaneous breakdown of symmetry in many particle systems.

Note that the key LNIF metric representations for Schwarzschild, de Sitter, Kerr are all Glauber coherent states of virtual gravitons.

Ordinary space crystal lattice ground states are Glauber coherent states of virtual phonons f = 0 & ki ~ n/ai, ai lattice spacings of unit cell.

Ferromagnetic ground states are Glauber coherent states of virtual spin wave quanta

In contrast, superconductor ground states are Glauber coherent states of real Cooper pairs?

Superfluid helium 4 ground state is a Glauber coherent state of virtual phonons as well f = 0 with a continuum of ki.

Except for the Cooper pairs - the we have above ground states whose Landau-Ginzburg order parameters are Glauber coherent states of the massless Goldstone boson in virtual off-mass-shell form.

In the post-inflation vacuum we also have Glauber coherent states of virtual massive Higgs bosons.

Actually to be more precise the order parameter is in simplest case e.g. center of mass of Cooper pair

<0|Psi|0> = R(x)e^iS(x)

Psi is a second quantized annihilation operator in ordinary spacetime

|0> is the broken symmetry ground state

x = ordinary 3D + 1 event

R(x) is a condensate of massive Higgs bosons

S(x) the coherent state is a condensate of massless Goldstone particles.

|R(x)e^IS(x)> is the Glauber coherent state

On Jun 26, 2013, at 11:26 PM, Ruth Kastner <rekastner@hotmail.com> wrote:

I had it at one time but can't seem to find it. But as I recall it is superseded by the two that I sent you, which give a more comprehensive and general treatment.


> From: adastra1@me.com
> Subject: Davies paper A
> Date: Wed, 26 Jun 2013 23:20:36 -0700
> To: rekastner@hotmail.com
> > Do u have it? Apparently it's a prequel to the two you sent.

Jack Sarfatti shared a link.

Yesterday near San Francisco
What people do not seem to understand is that the vacuum Higgs field is a Glauber coherent state of off mass shell spin zero Higgs quanta. 


It's actually a virtual time crystal in Wilczek's sense.



Virtual particles are stabilized frozen into the macro-quantum coherent ground states by P.W. Anderson's phase rigidity. This is distinct from their role as random zero point fluctuations. The latter is analogous to the normal fluid with the former as the superfluid condensate in He4 for example.

Gapless acoustic phonons that correspond to transverse crystal distortions seem to be analogous to spin 1 quanta. However, the Lorentz group does not describe crystals in the v/c << 1 limit.

Representation theory of the Lorentz group - Wikipedia, the free ...
The Lorentz group of theoretical physics has a variety of representations, corresponding to particles with integer and half-integer spins in quantum field theory.
Lorentz group - Wikipedia, the free encyclopedia
In physics (and mathematics), the Lorentz group is the non-abelian group of all Lorentz transformations of ..... Twofold coverings are characteristic of spin groups.
Why is a phonon a boson?
www.physicsforums.com › ... › Atomic, Solid State, Comp. Physics
6 posts - 6 authors - Nov 6, 2005
Phonons are bosons because of their spin 0 value. A better question would have been : why do phonons have spin 0 ? Their is a really easy ...
Goldstone boson - Wikipedia, the free encyclopedia
The field can be redefined to give a real scalar field (i.e., a spin-zero particle) θ without... In general, the phonon is effectively the Nambu–Goldstone boson for ...
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A note concerning the spin of the phonon
by AT Levine - 1962
A Note Concerning the Spin ol the Phonon. A. I). LEVIY~. Wayne State U~dversit! ! - Detroit, Mich. (ricevuto il 12 Luglio 1962). This is a report on work being ...
[PDF] Sound-Particles and Phonons with Spin 1
File Format: PDF/Adobe Acrobat - Quick View
by V Minasyan - 2011 - Cited by 2 - Related articles
Oct 20, 2010 – phonons with spin 1. In this letter, we estimate the masses of Sound Boson- Particles which are around 500 times smaller than the atom mass.

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[0708.3344] Higgs-mass predictions
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Roosevelt McCarter, Leonardo Varesi and 2 others like this.

Jack Sarfatti Other examples:
12 minutes ago · Like

Jack Sarfatti ‎2) Static Coulomb field of a point charge q, i.e. e/r potential is a coherent Glauber state of longitudinally polarized spin 1 virtual photons of frequency f = 0 and wave numbers k weighted by 1/k^2 (see Wikipedia on Feynman propagators)
10 minutes ago · Like

Jack Sarfatti http://en.wikipedia.org/wiki/Propagator

Propagator - Wikipedia, the free encyclopedia
In quantum mechanics and quantum field theory, the propagator gives the probabil...See More
9 minutes ago · Like ·

Jack Sarfatti ‎3) ordinary space crystal ground states are Glauber coherent states of virtual phonons again of frequency f = 0 but now with wave vectors k ~ harmonics of 1/lattice spacings of the unit cell.
7 minutes ago · Like

Jack Sarfatti Note there are both acoustic and optical phonons. The acoustic phonons are analogous to the gapless Goldstone phase modes. The optical phonons with an energy gap are analogous to the Higgs bosons with mass of 125 Gev.
4 minutes ago · Like

Jack Sarfatti http://en.wikipedia.org/wiki/Phonon

Phonon - Wikipedia, the free encyclopedia
In physics, a phonon is a collective excitation in a periodic, elastic arrangeme...See More
2 minutes ago · Like ·

Jack Sarfatti In the case of the Higgs field, if it is a time crystal then it has a spectrum of frequencies f =/= 0 if it changes in time as well as a spectrum of wave vectors k =/= 0 if it also is inhomogeneous in space. The past and future cosmological horizons provide long wave cutoffs.

a few seconds ago · Like

On Aug 28, 2012, at 1:19 PM, JACK SARFATTI <sarfatti@pacbell.net> wrote:

What people do not seem to understand is that the vacuum Higgs field is a Glauber coherent state of off mass shell spin zero Higgs quanta.

It's actually a virtual time crystal in Wilczek's sense.

Sent from my iPhone

On Aug 27, 2012, at 8:40 PM, Carlos Perelman wrote:

Dear Jack and Tony : Thank you very much for your links. A friend of mine sent me  
a compilation history of Higgs masses in the link by Thomas Schucker, version 8, 2011 : http://arxiv.org/abs/0708.3344

Best wishes carlos

One of the simplest and most common physical objects is your average crystal, a collection of atoms arranged in an orderly, repeating three-dimensional pattern. Salt, snowflakes, and the quartz in your watch are all crystals. Earlier this year, the Nobel laureate and MIT physicist Frank Wilczek prop...

Jack Sarfatti

There is a very intuitive though not simple way to understand the space-time crystal.
1) spontaneous broken symmetry in complex many particle systems. These are quantum phase transitions like when our observable universe is created in the moment of inflation out of the pre-existing unstable false vacuum in which all particles have zero rest mass because the Higgs field had not yet formed. The appearance of the Higgs field is the effect spontaneous broken symmetry in which the post-inflation quantum vacuum of our expanding universe. The quantum vacuum has less symmetry than do the field equations for some of the matter fields.
2) Quantum field theory shows that matter exists in two very different forms - real and virtual. Matter in virtual form lives inside the quantum vacuum briefly popping into and out of existence. We see this indirectly in small shifts of spectral lines of atoms (Lamb shift) and in the Casimir zero point force between two neutral plates. Virtual particles do not transport energy outside the "near field" and they cannot directly cause a counter to click only real particles can do that. The LHC just showed us a real Higgs boson kicked out of the vacuum by the tremendous focused energy of the machine. It's like chipping a small piece of ice out of a huge glacier that is the VIRTUAL Higgs-Goldstone spontaneous broken symmetry field inside the vacuum. There are two kinds of spontaneous broken symmetry particles. The Goldstone particle has zero rest mass like the photon particle of light. The Higgs particle has a finite rest mass now seen at about 125 Gev in the LHC. There may be several Higgs and Goldstone particles. The Higgs and Goldstone particles come in conjugate pairs like the amplitude and phase of a coherent laser beam wave. In fact the Higgs-Goldstone vacuum field is mathematically somewhat similar to a laser beam field with some important differences of course. The mathematics of these general "coherent states" was worked out in the early 1960's by Nobel Laureate Harvard physics professor Roy Glauber. Basically we have a large number of particles all in the same single-particle quantum state although that actual number is uncertain and in the simplest case has a Poisson distribution.This happens not only in lasers but in superconductors and as we see below even in Frank Wilczek's space-time crystal. The difference is that the Higgs vacuum field that itself gives rest masses to the leptons and quarks is made up of huge numbers of VIRTUAL Higgs-Goldstone conjugate particle pairs that form a set of complex numbers z in the polar representation for those of you who know some high school math where z = Rexp(itheta). R is the amplitude and theta is the phase. The massive Higgs particle in real form are quantized vibrations in the amplitude R like you AM radio. The massless Goldstone particles in real form are quantized vibrations in the phase theta of the coherent vacuum field like your FM radio roughly.
3) A space crystal is a periodic lattice of atoms that forms in a quantum phase transition in which the continuous translational symmetry of the higher temperature gas or liquid is spontaneously broken down to a much smaller discrete crystal group. The phonon is a massless Goldstone particle. The analogous Higgs particle would be a phonon sound wave with an energy gap at infinite wavelength. However, a single phonon is a collective normal mode of all the real atoms that form the crystal lattice. Now real phonons that propagate sound energy have a frequency that is the speed of sound divided by the wavelength. However, virtual phonons do not obey that relationship at all. Indeed, the crystal lattice itself is a Glauber coherent state of a huge uncertain number of VIRTUAL PHONONS all in the same single-phonon quantum state. These particular virtual phonons have zero frequency with finite wavelengths along the three directions of space that are determined by the particular discrete space-crystal group that is not spontaneously broken. A very similar thing happens for electromagnetic photons in the ordinary electrostatic Coulomb field e/r potential energy per unit test charge q in the rest frame of a point charge e where r is the distance between e and q. The longitudinal electrostatic field is a coherent Glauber state of a huge uncertain number of virtual photons of zero frequency with a whole continuum of wavelengths along the three dimensions of space.
4) We now have a unified conceptual framework. The space-time crystal is simply a Glauber coherent state of again virtual phonons but this time with a finite frequency and the same set of discrete wavelengths as in the space-crystal.