Parameter estimation in atomic spectroscopy using exceptional points

Morag Am-Shallem; Ronnie Kosloff; Nimrod Moiseyev

doi:10.1103/PhysRevA.93.032116

Parameter estimation in atomic spectroscopy using exceptional points

Morag Am-Shallem, Ronnie Kosloff, Nimrod Moiseyev

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

We suggest a method for accurate parameter estimation of atomic systems, employing the special properties of the exceptional points. The non-Hermitian degeneracies at the exceptional points emerge from the description of the spontaneous emission of the atomic system in the framework of an open quantum system, resulting in a non-Hermitian quantum master equation. The method is demonstrated for the atomic spectrum of S→P transitions of Rb85 and Ca+40.

Original language	English
Article number	032116
Journal	Physical Review A
Volume	93
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevA.93.032116
State	Published - 11 Mar 2016

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© 2016 American Physical Society.

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10.1103/PhysRevA.93.032116

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Parameter estimation in atomic spectroscopy using exceptional points

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