High-fidelity teleportation of a logical qubit using transversal gates and lattice surgery

C Ryan-Anderson, NC Brown, CH Baldwin, JM Dreiling… - Science, 2024 - science.org
Quantum state teleportation is commonly used in designs for large-scale quantum
computers. Using Quantinuum's H2 trapped-ion quantum processor, we demonstrate fault …

Integrating quantum computing resources into scientific HPC ecosystems

T Beck, A Baroni, R Bennink, G Buchs… - Future Generation …, 2024 - Elsevier
Quantum Computing (QC) offers significant potential to enhance scientific discovery in fields
such as quantum chemistry, optimization, and artificial intelligence. Yet QC faces challenges …

A universal neutral-atom quantum computer with individual optical addressing and non-destructive readout

AG Radnaev, WC Chung, DC Cole, D Mason… - arXiv preprint arXiv …, 2024 - arxiv.org
Quantum computers must achieve large-scale, fault-tolerant operation to deliver on their
promise of transformational processing power [1-4]. This will require thousands or millions of …

Efficient fault-tolerant code switching via one-way transversal CNOT gates

S Heußen, J Hilder - arXiv preprint arXiv:2409.13465, 2024 - arxiv.org
Code switching is an established technique that facilitates a universal set of FT quantum
gate operations by combining two QEC codes with complementary sets of gates, which each …

Improved accuracy for decoding surface codes with matching synthesis

C Jones - arXiv preprint arXiv:2408.12135, 2024 - arxiv.org
We present a method, called matching synthesis, for decoding quantum codes that produces
an enhanced assignment of errors from an ensemble of decoders. We apply matching …

Digital quantum simulation of lattice fermion theories with local encoding

M Ballarin, G Cataldi, G Magnifico, D Jaschke… - Quantum, 2024 - quantum-journal.org
We numerically analyze the feasibility of a platform-neutral, general strategy to perform
quantum simulations of fermionic lattice field theories under open boundary conditions. The …

Automated Synthesis of Fault-Tolerant State Preparation Circuits for Quantum Error Correction Codes

T Peham, L Schmid, L Berent, M Müller… - arXiv preprint arXiv …, 2024 - arxiv.org
A central ingredient in fault-tolerant quantum algorithms is the initialization of a logical state
for a given quantum error-correcting code from a set of noisy qubits. A scheme that has …

Fault-Tolerant Logical Clifford Gates from Code Automorphisms

H Sayginel, S Koutsioumpas, M Webster… - arXiv preprint arXiv …, 2024 - arxiv.org
We study the implementation of fault-tolerant logical Clifford gates on stabilizer quantum
error correcting codes based on their symmetries. Our approach is to map the stabilizer code …

A fault-tolerant pairwise measurement-based code on eight qubits

L Grans-Samuelsson, D Aasen… - arXiv preprint arXiv …, 2024 - arxiv.org
We construct a pairwise measurement-based code on eight qubits that is error correcting for
circuit noise, with fault distance 3. The code can be implemented on a subset of a …

Error correction of transversal CNOT gates for scalable surface code computation

K Sahay, Y Lin, S Huang, KR Brown, S Puri - arXiv preprint arXiv …, 2024 - arxiv.org
Recent experimental advances have made it possible to implement logical multi-qubit
transversal gates on surface codes in a multitude of platforms. A transversal controlled-NOT …