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 …

Quantum computers [1–4] are explicitly quantum mechanical systems that use phenomena
such as superposition and entanglement to perform computational tasks more efficiently …

Gate set tomography (GST) is a protocol for detailed, predictive characterization of logic
operations (gates) on quantum computing processors. Early versions of GST emerged …

Quantum computers promise to solve certain problems more efficiently than their digital
counterparts. A major challenge towards practically useful quantum computing is …

The field of classical stochastic processes forms a major branch of mathematics. Stochastic
processes are, of course, also very well studied in biology, chemistry, ecology, geology …

Quantum information processors promise fast algorithms for problems inaccessible to
classical computers. But since qubits are noisy and error-prone, they will depend on fault …

In this Letter we propose a fully scalable randomized benchmarking protocol for quantum
information processors. We prove that the protocol provides an efficient and reliable …

A key requirement for scalable quantum computing is that elementary quantum gates can be
implemented with sufficiently low error. One method for determining the error behavior of a …

Standard quantum computation is based on sequences of unitary quantum logic gates that
process qubits. The one-way quantum computer proposed by Raussendorf and Briegel is …

Because of its geometric nature, holonomic quantum computation is fault tolerant against
certain types of control errors. Although proposed more than a decade ago, the experimental …