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Klaus Mølmer

Theory of Subradiant States of a One-Dimensional Two-Level Atom Chain

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Recently, the subradiant states of one-dimensional two-level atom chains coupled to light modes were found to have decay rates obeying a universal scaling, and an unexpected fermionic character of the multiply excited subradiant states was discovered. In this Letter, we theoretically obtain the singly excited subradiant states, and by eliminating the superradiant modes, we demonstrate a relation between the multiply excited subradiant states and the Tonks-Girardeau limit of the Lieb-Liniger model which explains the fermionic behavior. In addition, we identify a new family of subradiant states with correlations different from the fermionic ansatz.

OriginalsprogEngelsk
Artikelnummer203605
TidsskriftPhysical Review Letters
Vol/bind122
Nummer20
Antal sider5
ISSN0031-9007
DOI
StatusUdgivet - 2019

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