Experimental deterministic correction of qubit loss

R Stricker, D Vodola, A Erhard, L Postler, M Meth… - Nature, 2020 - nature.com
The successful operation of quantum computers relies on protecting qubits from
decoherence and noise, which—if uncorrected—will lead to erroneous results. Because …

Non-Hermitian dynamic strings and anomalous topological degeneracy on a non-Hermitian toric-code model with parity-time symmetry

CX Guo, XR Wang, C Wang, SP Kou - Physical Review B, 2020 - APS
In this paper, with the help of Hermitian/non-Hermitian dynamic strings, a theory of non-
Hermitian topological orders is developed based on a non-Hermitian Wen-plaquette model …

Efficient percolation simulations for lossy photonic fusion networks

MC Löbl, S Paesani, AS Sørensen - Physical Review Research, 2024 - APS
The study of percolation phenomena has various applications ranging from social networks
or materials science to quantum information. The most common percolation models are …

Fault-tolerant protection of near-term trapped-ion topological qubits under realistic noise sources

A Bermudez, X Xu, M Gutiérrez, SC Benjamin, M Müller - Physical Review A, 2019 - APS
The quest of demonstrating beneficial quantum error correction in near-term noisy quantum
processors can benefit enormously from a low-resource optimization of fault-tolerant …

Efficient algorithms for simulating percolation in photonic fusion networks

MC Löbl, S Paesani, AS Sørensen - arXiv preprint arXiv:2312.04639, 2023 - arxiv.org
The study of percolation phenomena has various applications in natural sciences and,
therefore, efficient algorithms have been developed to estimate the corresponding …

Scalable characterization of localizable entanglement in noisy topological quantum codes

D Amaro, M Müller, AK Pal - New journal of physics, 2020 - iopscience.iop.org
Topological quantum error correcting codes have emerged as leading candidates towards
the goal of achieving large-scale fault-tolerant quantum computers. However, quantifying …

Phase transition in a noisy Kitaev toric code model

MH Zarei, A Montakhab - Physical Review A, 2019 - APS
Many aspects of the well-known mapping between the partition function of a classical spin
model and the quantum entangled state have been studied in recent years. However, the …

Fundamental thresholds for computational and erasure errors via the coherent information

L Colmenarez, S Kim, M Müller - arXiv preprint arXiv:2412.16727, 2024 - arxiv.org
Quantum error correcting (QEC) codes protect quantum information against environmental
noise. Computational errors caused by the environment change the quantum state within the …

Fundamental thresholds of realistic quantum error correction circuits from classical spin models

D Vodola, M Rispler, S Kim, M Müller - Quantum, 2022 - quantum-journal.org
Mapping the decoding of quantum error correcting (QEC) codes to classical disordered
statistical mechanics models allows one to determine critical error thresholds of QEC codes …

Erasure decoding of two-dimensional color codes

AB Aloshious, PK Sarvepalli - Physical Review A, 2019 - APS
The quantum erasure channel models phenomena such as loss or leakage of qubits. Using
quantum codes, we can recover from such errors. In this paper, we are interested in studying …