Rydberg atom quantum technologies

CS Adams, JD Pritchard… - Journal of Physics B …, 2019 - iopscience.iop.org
This topical review addresses how Rydberg atoms can serve as building blocks for
emerging quantum technologies. Whereas the fabrication of large numbers of artificial …

Few-body Bose gases in low dimensions—A laboratory for quantum dynamics

SI Mistakidis, AG Volosniev, RE Barfknecht, T Fogarty… - Physics Reports, 2023 - Elsevier
Cold atomic gases have become a paradigmatic system for exploring fundamental physics,
which at the same time allows for applications in quantum technologies. The accelerating …

Seconds-scale coherence on an optical clock transition in a tweezer array

MA Norcia, AW Young, WJ Eckner, E Oelker, J Ye… - Science, 2019 - science.org
Coherent control of high–quality factor optical transitions in atoms has revolutionized
precision frequency metrology. Leading optical atomic clocks rely on the interrogation of …

Fast multiqubit gates by adiabatic evolution in interacting excited-state manifolds of Rydberg atoms and superconducting circuits

M Khazali, K Mølmer - Physical Review X, 2020 - APS
Quantum computing and quantum simulation can be implemented by concatenation of one-
and two-qubit gates and interactions. For most physical implementations, however, it may be …

Time-of-flight quantum tomography of an atom in an optical tweezer

MO Brown, SR Muleady, WJ Dworschack… - Nature Physics, 2023 - nature.com
A single particle trapped in a harmonic potential can exhibit rich motional quantum states
within its high-dimensional state space. Quantum characterization of motion is key, for …

Entanglement of neutral-atom qubits with long ground-Rydberg coherence times

CJ Picken, R Legaie, K McDonnell… - Quantum Science and …, 2018 - iopscience.iop.org
We report results of a ground-state entanglement protocol for a pair of Cs atoms separated
by 6 μm, combining the Rydberg blockade mechanism with a two-photon Raman transition …

Experimental characterization of two-particle entanglement through position and momentum correlations

A Bergschneider, VM Klinkhamer, JH Becher, R Klemt… - Nature Physics, 2019 - nature.com
Quantum simulation is a rapidly advancing tool for gaining insight into complex quantum
states and their dynamics. Trapped-ion systems have pioneered deterministic state …

Crossover from attractive to repulsive induced interactions and bound states of two distinguishable Bose polarons

F Theel, SI Mistakidis, P Schmelcher - SciPost Physics, 2024 - scipost.org
We study the impact of induced correlations and quasiparticle properties by immersing two
distinguishable impurities in a harmonically trapped bosonic medium. It is found that when …

Imaginary-time evolution with quantum nondemolition measurements: Multiqubit interactions via measurement nonlinearities

M Kondappan, M Chaudhary, EO Ilo-Okeke… - Physical Review A, 2023 - APS
We show that quantum nondemolition (QND) measurements can be used to realize
measurement-based imaginary-time evolution. In our proposed scheme, repeated weak …

Quantum computational supremacy in the sampling of bosonic random walkers on a one-dimensional lattice

G Muraleedharan, A Miyake… - New Journal of Physics, 2019 - iopscience.iop.org
We study the sampling complexity of a probability distribution associated with an ensemble
of identical noninteracting bosons undergoing a quantum random walk on a one …