Extended coherent states and modified perturbation theory

DOI10.1088/0305-4470/33/32/101zbMATH Open1008.81037arXivquant-ph/0003011OpenAlexW3125970042MaRDI QIDQ4520656

G. M. Filippov

Publication date: 13 December 2000

Published in: Journal of Physics A: Mathematical and General (Search for Journal in Brave)

Abstract: An extended coherent state for describing a system of two interacting quanum objects is considered. A modified perturbation theory based on using the extended coherent states is formulated.

Full work available at URL: https://arxiv.org/abs/quant-ph/0003011

Mathematics Subject Classification ID

Perturbation theories for operators and differential equations in quantum theory (81Q15) Coherent states (81R30)

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