Re: Lorentz Ether Theory and FTL Paradoxes

From: chaverondier (bernard.chaverondier_at_wanadoo.fr)
Date: 09/16/04 

Date: 16 Sep 2004 12:56:56 -0700

"Ilja Schmelzer" <q6867901@mailstore.fernuni-hagen.de> wrote in message news:<cibb9r$ffq$1@beech.fernuni-hagen.de>...
> "bernard.chaverondier" <bernard.chaverondier@wanadoo.fr> schrieb

Ilja Schmelzer

> > > to prove relativistic symmetry I use BM, the
> > > equivalence theorem of BM and QM and standard
> > > results about relativistic symmetry of QM.

Chaverondier

> > OK. Now, if you look with some scrutiny into the details
> > of the derivation of the standard results you need, you
> > will see they need to assume that no observer be up
> > to change anything to the statistics (the Born rules)
> > of quantum measurements.

Ilja Schmelzer

> I'm not completely sure, but I guess it
> is even possible to prove such claims.

Chaverondier

I have a little bit thought about this topic. In my opinion, there are
realistic hypotheses that could prevent the observer to bias quantum
statistics and realistic hypotheses that could enable the observer to
cause such a bias.

To answer such a question, you have first to achieve a very precise
and highly technical dynamical model of quantum measurement, up to
predict the convergence of a given quantum state of an observed system
towards the eigenstates of the observable of a given measuring
apparatus and up to predict and explain the quantum statistics given
by the phenomenological Born rule (something like a development of the
quantum state diffusion theory of professor Nicolas Gisin, Group of
Applied Physics, University of Geneva and Ian C Percival, Department
of Physics, Queen Mary and Westfield College, University of London «
Quantum State Diffusion : from Foundations to Applications »
http://arxiv.org/abs/quant-ph/9701024 and "Essay and Review of Quantum
State Diffusion by Ian Percival"
http://www.hpl.hp.com/techreports/2001/HPL-2001-7.pdf ).

In such a framework, in my present opinion, the possibility to bias
quantum measurement statistics depends drastically on the spatial and
temporal correlation scales of the environmental causes that are
supposed to be responsible for the quantum measurement indeterminacy.

I think these causes to be the quantum state of the quantum wholeness
encompassing the observed system, the measuring apparatus and its
environment. As I told to Bill Hobba on this same thread, I believe
the alleged Von Neumann chain break to be a misinterpretation of a
local observation of a quantum wholeness (giving rise to the quantum
measurement apparent irreversibility, indeterminacy and entropy
increase).

The quantum state of the system encompassing the observed system, the
measuring apparatus and its environment is part of the dynamics of the
quantum measuring process but this refined quantum information is
excluded from the master equation ruling the dynamics of the reduced
density operator of the locally observed quantum system.

Hence, the neglected quantum information (accounting for the EPR
correlations of the locally observed quantum system with its
environment) may well be the so called contextual hidden variables of
some deterministic interpretations of quantum mechanics (as the
deterministic sub-quantum theory of Micho Durdevich, Universidad
Nacional Autonoma de Mexico, "Physics Beyond the Limits of Uncertainty
Relations". A picture of physical reality which is based on individual
physical systems, completely causal, and statistically compatible with
quantum mechanics http://www.matem.unam.mx/~micho/subq.html )

I asked Arnold Neumaeir (in the thread "quantum state diffusion
question" http://minilien.com/?UlOUpjyhZ4 on sci.physics.research)
about the possibility to bias quantum measurement statistics thanks to
an appropriate control of the measuring apparatus and its environment
(in the framework of quantum state diffusion theory of Nicolas GISIN
and Ian PERCIVAL). Arnold Neumaeir answer was not yes or no, but "this
question should rather be asked to Professor GISIN himself".

Consequently, I think that the investigation of a possible Faster Than
Light communication thanks to EPR effect should start by a highly
technical and highly efficient model of the quantum measurement
process dynamics.

Bernard Chaverondier
http://perso.wanadoo.fr/lebigbang/epr.htm
http://perso.wanadoo.fr/lebigbang/no_communication.htm
http://perso.wanadoo.fr/lebigbang/transformation.htm
Quantum determinism or relativist locality

Relevant Pages
Loading