Logical quantum processor based on reconfigurable atom arrays

D Bluvstein, SJ Evered, AA Geim, SH Li, H Zhou… - Nature, 2024 - nature.com
Suppressing errors is the central challenge for useful quantum computing, requiring
quantum error correction (QEC),,,–for large-scale processing. However, the overhead in the …

Non-Abelian topological order and anyons on a trapped-ion processor

M Iqbal, N Tantivasadakarn, R Verresen, SL Campbell… - Nature, 2024 - nature.com
Non-Abelian topological order is a coveted state of matter with remarkable properties,
including quasiparticles that can remember the sequence in which they are exchanged …

Non-Abelian braiding of Fibonacci anyons with a superconducting processor

S Xu, ZZ Sun, K Wang, H Li, Z Zhu, H Dong, J Deng… - Nature Physics, 2024 - nature.com
Quantum many-body systems with a non-Abelian topological order can host anyonic
quasiparticles. It has been proposed that anyons could be used to encode and manipulate …

Topological order from measurements and feed-forward on a trapped ion quantum computer

M Iqbal, N Tantivasadakarn, TM Gatterman… - Communications …, 2024 - nature.com
Quantum systems evolve in time in one of two ways: through the Schrödinger equation or
wavefunction collapse. So far, deterministic control of quantum many-body systems in the …

Effective quantum volume, fidelity and computational cost of noisy quantum processing experiments

K Kechedzhi, SV Isakov, S Mandrà, B Villalonga… - Future Generation …, 2024 - Elsevier
Today's experimental noisy quantum processors can compete with and surpass all known
algorithms on state-of-the-art supercomputers for the computational benchmark task of …

Correlated decoding of logical algorithms with transversal gates

M Cain, C Zhao, H Zhou, N Meister, JPB Ataides… - Physical Review Letters, 2024 - APS
Quantum error correction is believed to be essential for scalable quantum computation, but
its implementation is challenging due to its considerable space-time overhead. Motivated by …

Realization of one-dimensional anyons with arbitrary statistical phase

J Kwan, P Segura, Y Li, S Kim, AV Gorshkov, A Eckardt… - Science, 2024 - science.org
Low-dimensional quantum systems can host anyons, particles with exchange statistics that
are neither bosonic nor fermionic. However, the physics of anyons in one dimension …

Optimizing quantum gates towards the scale of logical qubits

PV Klimov, A Bengtsson, C Quintana… - Nature …, 2024 - nature.com
A foundational assumption of quantum error correction theory is that quantum gates can be
scaled to large processors without exceeding the error-threshold for fault tolerance. Two …

Tapestry of dualities in decohered quantum error correction codes

K Su, Z Yang, CM Jian - Physical Review B, 2024 - APS
Quantum error correction (QEC) codes protect quantum information from errors due to
decoherence. Many of them also serve as prototypical models for exotic topological …

Long-lived topological time-crystalline order on a quantum processor

L **ang, W Jiang, Z Bao, Z Song, S Xu, K Wang… - Nature …, 2024 - nature.com
Topologically ordered phases of matter elude Landau's symmetry-breaking theory, featuring
a variety of intriguing properties such as long-range entanglement and intrinsic robustness …