期刊
JOURNAL OF MATHEMATICAL PHYSICS
卷 62, 期 3, 页码 -出版社
AIP Publishing
DOI: 10.1063/5.0013032
关键词
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资金
- Istituto Nazionale di Fisica Nucleare (INFN) through the project QUANTUM
- Italian National Group of Mathematical Physics (GNFM-INdAM)
This study extends the Friedrichs-Lee model to singular atom-field couplings, characterizes its spectrum and resonances, and discusses the inverse spectral problem.
We show that the Friedrichs-Lee model, which describes the one-excitation sector of a two-level atom interacting with a structured boson field, can be generalized to singular atom-field couplings. We provide a characterization of its spectrum and resonances and discuss the inverse spectral problem.
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