Quantization of Damping Particle Based On New Variational Principles

Details Quantization of Damping Particle Based On New Variational Principles Quantization of Damping Particle Based On New Variational Principles

2011-02-08

arxiv.org/abs/1102.1573v2

Physics

Mathematical Physics

Scientific paper

In this paper a new approach is proposed to quantize mechanical systems whose equations of motion can not be put into Hamiltonian form. This approach is based on a new type of variational principle, which is adopted to a describe a relation: a damping particle may shares a common phase curve with a free particle, whose Lagrangian in the new variational principle can be considered as a Lagrangian density in phase space. According to Feynman's theory, the least action principle is adopted to modify the Feynman's path integral formula, where Lagrangian is replaced by Lagrangian density. In the case of conservative systems, the modification reduces to standard Feynman's propagator formula. As an example a particle with friction is analyzed in detail.

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