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Article overview
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Spin State Dynamics in a Bichromatic Microwave Field: Power Narrowing and Broadening of a Magnetic Resonance | | Wojciech Gawlik
; Mariusz Mrózek
; Adam M. Wojciechowski
; | | Date: |
14 Aug 2019 | | Abstract: | Driving an open spin system by two strong, nearly degenerate fields enables
addressing populations of individual spin states, characterisation of their
interaction with thermal bath, and measurements of their relaxation/decoherence
rates. With such addressing we observe nested magnetic resonances having
nontrivial dependence on microwave field intensity: while the width of one of
the resonances undergoes a strong power broadening, the other one exhibits a
peculiar field-induced stabilization. We also observe light-induced narrowing
of such composite resonances. The observations are explained by the dynamics of
bright and dark superposition states and their interaction with reservoir. | | Source: | arXiv, 1908.5205 | | Services: | Forum | Review | PDF | Favorites | |
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