Universality in driven open quantum matter

LM Sieberer, M Buchhold, J Marino, S Diehl - arxiv preprint arxiv …, 2023‏ - arxiv.org
Universality is a powerful concept, which enables making qualitative and quantitative
predictions in systems with extensively many degrees of freedom. It finds realizations in …

Realizing spin squeezing with Rydberg interactions in an optical clock

WJ Eckner, N Darkwah Oppong, A Cao, AW Young… - Nature, 2023‏ - nature.com
Neutral-atom arrays trapped in optical potentials are a powerful platform for studying
quantum physics, combining precise single-particle control and detection with a range of …

Ultrafast energy exchange between two single Rydberg atoms on a nanosecond timescale

Y Chew, T Tomita, TP Mahesh, S Sugawa… - Nature …, 2022‏ - nature.com
Rydberg atoms, with their enormous electronic orbitals, exhibit dipole–dipole interactions
reaching the gigahertz range at a distance of a micrometre, making them a prominent …

Spin squeezing by Rydberg dressing in an array of atomic ensembles

JA Hines, SV Rajagopal, GL Moreau, MD Wahrman… - Physical Review Letters, 2023‏ - APS
We report on the creation of an array of spin-squeezed ensembles of cesium atoms via
Rydberg dressing, a technique that offers optical control over local interactions between …

Revealing measurement-induced phase transitions by pre-selection

M Buchhold, T Mueller, S Diehl - arxiv preprint arxiv:2208.10506, 2022‏ - arxiv.org
Pushing forward the understanding of general non-unitary dynamics in controlled quantum
platforms has been fueled by the recent discovery of measurement-induced phases and …

Realizing distance-selective interactions in a Rydberg-dressed atom array

S Hollerith, K Srakaew, D Wei, A Rubio-Abadal… - Physical Review Letters, 2022‏ - APS
Measurement-based quantum computing relies on the rapid creation of large-scale
entanglement in a register of stable qubits. Atomic arrays are well suited to store quantum …

Realization of a Rydberg-dressed extended Bose Hubbard model

P Weckesser, K Srakaew, T Blatz, D Wei… - arxiv preprint arxiv …, 2024‏ - arxiv.org
The competition of different length scales in quantum many-body systems leads to various
novel phenomena, including the emergence of correlated dynamics or non-local order. To …

Spatially tunable spin interactions in neutral atom arrays

LM Steinert, P Osterholz, R Eberhard, L Festa… - Physical Review Letters, 2023‏ - APS
Analog quantum simulations with Rydberg atoms in optical tweezers routinely address
strongly correlated many-body problems due to the hardware-efficient implementation of the …

Hierarchical memories: simulating quantum LDPC codes with local gates

CA Pattison, A Krishna, J Preskill - arxiv preprint arxiv:2303.04798, 2023‏ - arxiv.org
Constant-rate low-density parity-check (LDPC) codes are promising candidates for
constructing efficient fault-tolerant quantum memories. However, if physical gates are …

Quantum coarsening and collective dynamics on a programmable quantum simulator

T Manovitz, SH Li, S Ebadi, R Samajdar… - arxiv preprint arxiv …, 2024‏ - arxiv.org
Understanding the collective quantum dynamics of nonequilibrium many-body systems is an
outstanding challenge in quantum science. In particular, dynamics driven by quantum …