Dressed coordinates: the path-integral approach
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Elsevier B.V.
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Abstract
The recently 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. (c) 2006 Elsevier B.V. All rights reserved.
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Physica A-statistical Mechanics and Its Applications. Amsterdam: Elsevier B.V., v. 374, n. 2, p. 600-610, 2007.
