Trapped ions are among the most promising systems for practical quantum computing (QC).
The basic requirements for universal QC have all been demonstrated with ions, and …

Practical and useful quantum information processing requires substantial improvements with
respect to current systems, both in the error rates of basic operations and in scale. The …

The surface code is a quantum error-correcting code for one logical qubit, protected by
spatially localized parity checks in two dimensions. Due to fundamental constraints from …

We propose the use of two-dimensional Penning trap arrays as a scalable platform for
quantum simulation and quantum computing with trapped atomic ions. This approach …

Motional heating of spatially extended ion crystals - IOPscience Skip to content IOP Science
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Power broadening—the broadening of the spectral line profile of a two-state quantum
transition as the amplitude of the driving field increases—is a well-known and thoroughly …

Trapped-ion qubits promise certain fundamental advantages for quantum information
processing (QIP), owing to their indistinguishability and relatively high isolation from noisy …

We report a method of creating pure 9 Be+ ions by a 2+ 1 resonance-enhanced multiphoton
ionization for the ionization potential of 75 192.64 (6) cm− 1 (133 nm). The efficient …

An ensemble of atoms in a steady state, whether or not in thermal equilibrium, has a well-
defined energy distribution. Since the energy of single atoms within the ensemble cannot be …