A long-lived Zeeman trapped-ion qubit

We demonstrate unprecedentedly long lifetimes for electron spin superposition states of a single trapped 40Ca+ ion. For a Ramsey measurement, we achieve a 1/e coherence time of 300(50) ms, while a spin-echo experiment yields a coherence time of 2.1(1) s. The latter corresponds to residual effective...

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Detalles Bibliográficos
Autor principal: Schmiegelow, Christian Tomás
Publicado: 2016
Materias:
Electrospinning
Ions
Magnetic fields
Magnetic moments
Magnetism
Quantum computers
Samarium
Coherence time
Electron spins
Hyperfine structure
Magnetic field fluctuations
Magnetic noise
Measurement time
Quantizing magnetic field
Superposition state
Trapped ions
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09462171_v122_n10_p_Ruster
http://hdl.handle.net/20.500.12110/paper_09462171_v122_n10_p_Ruster
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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