Long-range interacting quantum systems

N Defenu, T Donner, T Macrì, G Pagano, S Ruffo… - Reviews of Modern …, 2023 - APS
In this review recent investigations are summarized of many-body quantum systems with
long-range interactions, which are currently realized in Rydberg atom arrays, dipolar …

Quantum-enhanced sensing of displacements and electric fields with two-dimensional trapped-ion crystals

KA Gilmore, M Affolter, RJ Lewis-Swan, D Barberena… - Science, 2021 - science.org
Fully controllable ultracold atomic systems are creating opportunities for quantum sensing,
yet demonstrating a quantum advantage in useful applications by harnessing entanglement …

Demonstration of the trapped-ion quantum CCD computer architecture

JM Pino, JM Dreiling, C Figgatt, JP Gaebler, SA Moses… - Nature, 2021 - nature.com
The trapped-ion quantum charge-coupled device (QCCD) proposal, lays out a blueprint for a
universal quantum computer that uses mobile ions as qubits. Analogous to a charge …

Controlling two-dimensional Coulomb crystals of more than 100 ions in a monolithic radio-frequency trap

D Kiesenhofer, H Hainzer, A Zhdanov, PC Holz… - PRX Quantum, 2023 - APS
Linear strings of trapped atomic ions held in radio-frequency (rf) traps constitute one of the
leading platforms for quantum simulation experiments, allowing the investigation of …

Realization of real-time fault-tolerant quantum error correction

C Ryan-Anderson, JG Bohnet, K Lee, D Gresh… - Physical Review X, 2021 - APS
Correcting errors in real time is essential for reliable large-scale quantum computations.
Realizing this high-level function requires a system capable of several low-level primitives …

Quantum computation and simulation with vibrational modes of trapped ions

W Chen, J Gan, JN Zhang, D Matuskevich… - Chinese Physics …, 2021 - iopscience.iop.org
Vibrational degrees of freedom in trapped-ion systems have recently been gaining attention
as a quantum resource, beyond the role as a mediator for entangling quantum operations on …

Controlling long ion strings for quantum simulation and precision measurements

F Kranzl, MK Joshi, C Maier, T Brydges, J Franke… - Physical Review A, 2022 - APS
Scaling a trapped-ion based quantum simulator to a large number of ions creates a fully
controllable quantum system that becomes inaccessible to numerical methods. When highly …

Efficient ground-state cooling of large trapped-ion chains with an electromagnetically-induced-transparency tripod scheme

L Feng, WL Tan, A De, A Menon, A Chu, G Pagano… - Physical Review Letters, 2020 - APS
We report the electromagnetically-induced-transparency (EIT) cooling of a large trapped
Yb+ 171 ion chain to the quantum ground state. Unlike conventional EIT cooling, we engage …

Polarization-gradient cooling of 1D and 2D ion Coulomb crystals

MK Joshi, A Fabre, C Maier, T Brydges… - New Journal of …, 2020 - iopscience.iop.org
We present experiments on polarization gradient cooling of Ca+ multi-ion Coulomb crystals
in a linear Paul trap. Polarization gradient cooling of the collective modes of motion whose …

Double-electromagnetically-induced-transparency ground-state cooling of stationary two-dimensional ion crystals

M Qiao, Y Wang, Z Cai, B Du, P Wang, C Luan… - Physical Review Letters, 2021 - APS
We theoretically and experimentally investigate double-electromagnetically-induced
transparency (double-EIT) cooling of two-dimensional ion crystals confined in a Paul trap …