Physics – Quantum Physics
Scientific paper
2010-03-03
Physics
Quantum Physics
46 pages, 6 figures. Complete revision of section 2.2. Many improvements
Scientific paper
Analytical mechanics of a spinless massive particle is generalized to that in which quantum phenomena appear. This generalization is accomplished with two keys. The first is the extended action of the diffeomorphism group on the covariant tensor fields of order two, with which the classical Hamilton-Jacobi eq. of the particle is modified. The other is the second-order Lagrangian, with which the Lagrangian formalism consistent with the modified Hamilton-Jacobi eq. is constructed. In the thus obtained formulation, i) the particle picture is held at all times, ii) the discrete energy levels of the system of a particle in a confining potential are the same as those of quantum mechanics, iii) the particle distribution in an ensemble differs slightly from that of quantum mechanics, which however does not mean the incompetence of the present formulation because the precision of the experimental data up to date on the particle distribution is not enough to exclude the present formulation.
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