Decoherence of a single-ion qubit immersed in a spin-polarized atomic bath

Abstract

We report on the immersion of a spin-qubit encoded in a single trapped ion into a spin-polarized neutral atom environment, which possesses both continuous (motional) and discrete (spin) degrees of freedom. The environment offers the possibility of a precise microscopic description, which allows us to understand dynamics and decoherence from first principles. We observe the spin dynamics of the qubit and measure the decoherence times (T1 and T2), which are determined by the spin-exchange interaction as well as by an unexpectedly strong spin-nonconserving coupling mechanism.

References in corpus (11)

• An Open-System Quantum Simulator with Trapped Ions
• Observation of Fermi Polarons in a Tunable Fermi Liquid of Ultracold Atoms
• Manipulation and Detection of a Trapped Yb+ Ion Hyperfine Qubit
• Attractive and repulsive Fermi polarons in two dimensions
• Zeeman energy and spin relaxation in a one-electron quantum dot
• A trapped single ion inside a Bose-Einstein condensate
• Ultra-cold Polarized Fermi Gases
• Controlling chemical reactions of a single particle
• Quantum theory of ultracold atom-ion collisions
• Cold heteronuclear atom-ion collisions
• Kinetics of a single trapped ion in an ultracold buffer gas

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• Systematic uncertainty due to background-gas collisions in trapped-ion optical clocks
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• Controlling the nature of a charged impurity in a bath of Feshbach dimers
• Quantum-Logic Detection of Chemical Reactions
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• Impact of ion motion on atom-ion confinement-induced resonances in hybrid traps
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• Hamiltonian Switching Control of Noisy Bipartite Qubit Systems
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• Dissipative evolution of a two-level system through a geometry-based classical mapping
• Spin controlled atom-ion inelastic collisions
• Hybrid quantum systems of ions and atoms
• Universality in Ionic Three-body Systems Near an Ion-atom Feshbach Resonance