Logical quantum processor based on reconfigurable atom arrays
Suppressing errors is the central challenge for useful quantum computing, requiring
quantum error correction (QEC),,,–for large-scale processing. However, the overhead in the …
quantum error correction (QEC),,,–for large-scale processing. However, the overhead in the …
A quantum processor based on coherent transport of entangled atom arrays
The ability to engineer parallel, programmable operations between desired qubits within a
quantum processor is key for building scalable quantum information systems,. In most state …
quantum processor is key for building scalable quantum information systems,. In most state …
Constant-overhead fault-tolerant quantum computation with reconfigurable atom arrays
Quantum low-density parity-check (qLDPC) codes can achieve high encoding rates and
good code distance scaling, potentially enabling low-overhead fault-tolerant quantum …
good code distance scaling, potentially enabling low-overhead fault-tolerant quantum …
Observation of thermalization and information scrambling in a superconducting quantum processor
Understanding various phenomena in nonequilibrium dynamics of closed quantum many-
body systems, such as quantum thermalization, information scrambling, and nonergodic …
body systems, such as quantum thermalization, information scrambling, and nonergodic …
Imaginary components of out-of-time-order correlator and information scrambling for navigating the learning landscape of a quantum machine learning model
We introduce and analytically illustrate that hitherto unexplored imaginary components of
out-of-time order correlators can provide unprecedented insight into the information …
out-of-time order correlators can provide unprecedented insight into the information …
Onset of scrambling as a dynamical transition in tunable-range quantum circuits
In a fast-scrambling many-body quantum system, information is spread and entanglement is
built up on a time scale that grows logarithmically with the system size. This is of …
built up on a time scale that grows logarithmically with the system size. This is of …
Interspecies Förster resonances for Rb-Cs Rydberg -states for enhanced multi-qubit gate fidelities
PM Ireland, DM Walker, JD Pritchard - Physical Review Research, 2024 - APS
We present an analysis of interspecies interactions between Rydberg d-states of rubidium
and cesium. We identify the Förster resonance channels offering the strongest interspecies …
and cesium. We identify the Förster resonance channels offering the strongest interspecies …
Measurement-induced phase transitions in sparse nonlocal scramblers
Measurement-induced phase transitions arise due to a competition between the scrambling
of quantum information in a many-body system and local measurements. In this work we …
of quantum information in a many-body system and local measurements. In this work we …
Information scrambling--a quantum thermodynamic perspective
Recent advances in quantum information science have shed light on the intricate dynamics
of quantum many-body systems, for which quantum information scrambling is a perfect …
of quantum many-body systems, for which quantum information scrambling is a perfect …
Tunable geometries in sparse Clifford circuits
We investigate the emergence of different effective geometries in stochastic Clifford circuits
with sparse coupling. By changing the probability distribution for choosing two-site gates as …
with sparse coupling. By changing the probability distribution for choosing two-site gates as …