Dressed coordinates: the path-integrals approach
R. Casana, G. Flores-Hidalgo, B. M. Pimentel
Abstract
The recent introduced dressed coordinates are studied in the path-integral approach. These coordinates are defined in the context of a harmonic oscillator linearly coupled to massless scalar field and, it is shown that in this model the dressed coordinates appear as a coordinate transformation preserving the path-integral functional measure. The analysis also generalizes the sum rules established in a previous work.
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