73 research outputs found
Quantum Mechanics as a Classical Theory XIV: Connection with Stochastic Processes
In this paper we are interested in unraveling the mathematical connections
between the stochastic derivation of Schr\"odinger equation and ours. It will
be shown that these connections are given by means of the time-energy
dispersion relation and will allow us to interpret this relation on more
sounded grounds. We also discuss the underlying epistemology.Comment: plain latex, no figures, 15 page
Quantum Mechanics as a Classical Theory XIII: The Tunnel Effect
In this continuation paper we will address the problem of tunneling. We will
show how to settle this phenomenon within our classical interpretation. It will
be shown that, rigorously speaking, there is no tunnel effect at all.Comment: 10 pages, plain late
Quantum Mechanics as a Classical Theory I: Non-relativistic Theory
The objective of this series of three papers is to axiomatically derive
quantum mechanics from classical mechanics and two other basic axioms. In this
first paper, Schreodinger's equation for the density matrix is fist obtained
and from it Schroedinger's equation for the wave functions is derived. The
momentum and position operators acting upon the density matrix are defined and
it is then demonstrated that they commute. Pauli's equation for the density
matrix is also obtained. A statistical potential formally identical to the
quantum potential of Bohm's hidden variable theory is introduced, and this
quantum potential is reinterpreted through the formalism here proposed. It is
shown that, for dispersion free {\it ensembles% }, Schroedinger's equation for
the density matrix is equivalent to Newton's equations. A general non-ambiguous
procedure for the construction of operators which act upon the density matrix
is presented. It is also shown how these operators can be reduced to those
which act upon the wave functions.Comment: Same contents as the previously submitted paper but written in
standard LaTex style. Submitted to Rev. Mod. Phys. 24 pages
Quantum Mechanics as a Classical Theory II: Relativistic Theory
In this article, the axioms presented in the first one are reformulated
according to the special theory of relativity. Using these axioms, quantum
mechanic's relativistic equations are obtained in the presence of
electromagnetic fields for both the density function and the probability
amplitude. It is shown that, within the present theory's scope, Dirac's second
order equation should be considered the fundamental one in spite of the first
order equation. A relativistic expression is obtained for the statistical
potential. Axioms are again altered and made compatible with the general theory
of relativity. These postulates, together with the idea of the statistical
potential, allow us to obtain a general relativistic quantum theory for {\it
ensembles} composed of single particle systems.Comment: Same contents as the previously submitted paper but written in
standard LaTex style. Submitted to Rev. Mod. Phys. 12 pages
Quantum Mechanics as a Classical Theory X: Quantization in Generalized Coordinates
In this tenth paper of the series we aim at showing that our formalism, using
the Wigner-Moyal Infinitesimal Transformation together with classical
mechanics, endows us with the ways to quantize a system in any coordinate
representation we wish. This result is necessary if one even think about making
general relativistic extensions of the quantum formalism. Besides, physics
shall not be dependent on the specific representation we use and this result is
necessary to make quantum theory consistent and complete.Comment: 10 pages of plain LaTex, no figure
Quantum Mechanics as a Classical Theory III: Epistemology
The two previous papers developed quantum mechanical formalism from classical
mechanics and two additional postulates. In the first paper it was also shown
that the uncertainty relations possess no ontological validity and only reflect
the formalism's limitations. In this paper, a Realist Interpretation of quantum
mechanics based on these results is elaborated and compared to the Copenhagen
Interpretation. We demonstrate that von Neumann's proof of the impossibility of
a hidden variable theory is not correct, independently of Bell's argumentation.
A local hidden variable theory is found for non-relativistic quantum mechanics,
which is nothing else than newtonian mechanics itself. We prove that Bell's
theorem does not imply in a non-locality of quantum mechanics, and also
demonstrate that Bohm's theory cannot be considered a true hidden variable
theory.Comment: Same contents as the previously submitted paper but written in
standard LaTex style. Submitted to Rev. Mod. Phys. 16 pages
Quantum Mechanics as a Classical Theory IX: The Formation of Operators and Quantum Phase-Space Densities
In our previous papers we were interested in making a reconstruction of
quantum mechanics according to classical mechanics. In this paper we suspend
this program for a while and turn our attention to a theme in the frontier of
quantum mechanics itself---that is, the formation of operators. We then
investigate all the subtleties involved in forming operators from their
classical counterparts. We show, using the formalism of quantum phase-space
distributions, that our formation method, which is equivalent to Weyl's rule,
gives the correct answer. Since this method implies that eigenstates are not
dispersion-free we argue for modifications in the orthodox view. Many
properties of the quantum phase-space distributions are also investigated and
discussed in the realm of our classical approach. We then strengthen the
conclusions of our previous papers that quantum mechanics is merely an
extremely good approximation of classical statistical mechanics performed upon
the configuration space.Comment: Standard LaTex, 15 pages, 4 figure
Quantum Mechanics as a Classical Theory IV: The Negative Mass Conjecture
The following two papers form a natural development of a previous series of
three articles on the foundations of quantum mechanics; they are intended to
take the theory there developed to its utmost logical and epistemological
consequences. We show in the first paper that relativistic quantum mechanics
might accommodate without ambiguities the notion of negative masses. To achieve
this, we rewrite all of its formalism for integer and half integer spin
particles and present the world revealed by this conjecture. We also base the
theory on the second order Klein-Gordon's and Dirac's equations and show that
they can be stated with only positive definite energies. In the second paper we
show that the general relativistic quantum mechanics derived in paper II of
this series supports this conjecture.Comment: Same contents as the previously submitted paper byt written in
standard LaTex style. 21 pages
Quantum Mechanics as a Classical Theory XV: Thermodynamical Derivation
We present in this continuation paper a new axiomatic derivation of the
Schr\"odinger equation from three basic postulates. This new derivation sheds
some light on the thermodynamic character of the quantum formalism. We also
show the formal connection between this derivation and the one previously done
by other means. Some considerations about metaestability are also drawn. We
return to an example previously developed to show how the connection between
both derivations works.Comment: 19 pages, latex, no figure
Quantum Mechanics as a Classical Theory VI: The Classical Spin
In these continuation papers (VI and VII) we are interested in approach the
problem of spin from a classical point of view. In this first paper we will
show that the spin is neither basically relativistic nor quantum but reflects
just a simmetry property related to the Lie algebra to which it is associated.
The classical approach will be paraleled with the usual quantum one to stress
their formal similarities and epistemological differences. The important
problem of Einstein-Bose condensation for fermions will also be addressed.Comment: 13 pages, to be submitted to the Progress of Theoretical Physics. 1
figure obtainable from the autho
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