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Quantum State Preparation Representation
Perturbation Theory and the Quantum Rabi-model
arXiv
Authors: Marcello Malagutti, Alberto Parmeggiani
Year
2026
Paper ID
3365
Status
Preprint
Abstract Read
~2 min
Abstract Words
94
Citations
N/A
Abstract
In the first part of the paper we study a perturbative model of the Rabi system of Quantum Optics. We are therefore able to describe, through Rellich's theory, an analytic expansion of finite families of eigenvalues, of arbitrary fixed length. In particular, we prove that for finite families of eigenvalues the Braak conjecture holds. In the second part we study the asymptotics of the Weyl spectral counting function of a class of systems that generalize the Quantum Rabi Model to an N-level atom $Ngeq3$ with N-1 cavity modes of the electromagnetic field.
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- This paper contributes to the Quantum State Preparation & Representation research area in the Quantum Articles archive.
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- In the first part of the paper we study a perturbative model of the Rabi system of Quantum Optics.
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