Daniel J. Egger
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View article: State-preparation and measurement error mitigation with non-computational states
State-preparation and measurement error mitigation with non-computational states Open
Error mitigation has enabled quantum computing applications with over one hundred qubits and deep circuits. The most general error mitigation methods rely on a faithful characterization of the noise channels of the hardware. However, funda…
View article: Approximate Quadratization of High-Order Hamiltonians for Combinatorial Quantum Optimization
Approximate Quadratization of High-Order Hamiltonians for Combinatorial Quantum Optimization Open
Combinatorial optimization problems have wide-ranging applications in industry and academia. Quantum computers may help solve them by sampling from carefully prepared Ansatz quantum circuits. However, current quantum computers are limited …
View article: Quantum Optimization Benchmarking Library - The Intractable Decathlon
Quantum Optimization Benchmarking Library - The Intractable Decathlon Open
Through recent progress in hardware development, quantum computers have advanced to the point where benchmarking of (heuristic) quantum algorithms at scale is within reach. Particularly in combinatorial optimization - where most algorithms…
View article: Dataset for "Genuine multipartite entanglement in quantum optimization"
Dataset for "Genuine multipartite entanglement in quantum optimization" Open
This jupyter notebook contains all the data for each figure of the paper and its corresponding code to generate the plots in order, denoted by Fig.2-14.
View article: Benchmarking Digital Quantum Simulations Above Hundreds of Qubits Using Quantum Critical Dynamics
Benchmarking Digital Quantum Simulations Above Hundreds of Qubits Using Quantum Critical Dynamics Open
The real-time simulation of large many-body quantum systems is a formidable task, that may only be achievable with a genuine quantum computational platform. Currently, quantum hardware with a number of qubits sufficient to make classical e…
View article: Quantum Computing for High-Energy Physics: State of the Art and Challenges
Quantum Computing for High-Energy Physics: State of the Art and Challenges Open
Quantum computers offer an intriguing path for a paradigmatic change of computing in the natural sciences and beyond, with the potential for achieving a so-called quantum advantage—namely, a significant (in some cases exponential) speedup …
View article: Faricimab maintains substance integrity and sterility after compounding and storage in two different polypropylene syringe types
Faricimab maintains substance integrity and sterility after compounding and storage in two different polypropylene syringe types Open
Background: Compounding and storage of intravitreal anti-vascular endothelial growth factor (anti-VEGF) agents in syringes is commonly performed in an off-label manner. However, preservation of compound integrity and microbiological safety…
View article: Benchmarking digital quantum simulations above hundreds of qubits using quantum critical dynamics
Benchmarking digital quantum simulations above hundreds of qubits using quantum critical dynamics Open
The real-time simulation of large many-body quantum systems is a formidable task, that may only be achievable with a genuine quantum computational platform. Currently, quantum hardware with a number of qubits sufficient to make classical e…
View article: Large-scale quantum approximate optimization on nonplanar graphs with machine learning noise mitigation
Large-scale quantum approximate optimization on nonplanar graphs with machine learning noise mitigation Open
Quantum computers are increasing in size and quality but are still very noisy. Error mitigation extends the size of the quantum circuits that noisy devices can meaningfully execute. However, state-of-the-art error mitigation methods are ha…
View article: Combining quantum processors with real-time classical communication
Combining quantum processors with real-time classical communication Open
Quantum computers process information with the laws of quantum mechanics. Current quantum hardware is noisy, can only store information for a short time, and is limited to a few quantum bits, i.e., qubits, typically arranged in a planar co…
View article: Optimized Noise Suppression for Quantum Circuits
Optimized Noise Suppression for Quantum Circuits Open
Quantum computation promises to advance a wide range of computational tasks. However, current quantum hardware suffers from noise and is too small for error correction. Thus, accurately utilizing noisy quantum computers strongly relies on …
View article: Quantum Circuit Mapping Based on Incremental and Parallel SAT Solving
Quantum Circuit Mapping Based on Incremental and Parallel SAT Solving Open
Quantum Computing (QC) is a new computational paradigm that promises significant speedup over classical computing in various domains. However, near-term QC faces numerous challenges, including limited qubit connectivity and noisy quantum o…
View article: Quantum Optimization: Potential, Challenges, and the Path Forward
Quantum Optimization: Potential, Challenges, and the Path Forward Open
Recent advances in quantum computers are demonstrating the ability to solve problems at a scale beyond brute force classical simulation. As such, a widespread interest in quantum algorithms has developed in many areas, with optimization be…
View article: Provable bounds for noise-free expectation values computed from noisy samples
Provable bounds for noise-free expectation values computed from noisy samples Open
In this paper, we explore the impact of noise on quantum computing, particularly focusing on the challenges when sampling bit strings from noisy quantum computers as well as the implications for optimization and machine learning applicatio…
View article: Qiskit Dynamics: A Python package for simulating thetime dynamics of quantum systems
Qiskit Dynamics: A Python package for simulating thetime dynamics of quantum systems Open
QiskitDynamics is an open-source Python library for numerically simulating the time dynamics of finite-dimensional quantum systems.The goal of the package is to provide flexible configuration of the numerical methods used for simulation: g…
View article: Pulse variational quantum eigensolver on cross-resonance-based hardware
Pulse variational quantum eigensolver on cross-resonance-based hardware Open
State-of-the-art noisy digital quantum computers can only execute short-depth quantum circuits. Variational algorithms are a promising route to unlock the potential of noisy quantum computers since the depth of the corresponding circuits c…
View article: Universal Qudit Gate Synthesis for Transmons. Open data set
Universal Qudit Gate Synthesis for Transmons. Open data set Open
Data supporting the original figures 2, 5, 7, 8, 9, 10, 11 and 12 of the related publication.
View article: Universal Qudit Gate Synthesis for Transmons. Open data set
Universal Qudit Gate Synthesis for Transmons. Open data set Open
Data supporting the original figures 2, 5, 7, 8, 9, 10, 11 and 12 of the related publication.
View article: Universal Qudit Gate Synthesis for Transmons
Universal Qudit Gate Synthesis for Transmons Open
Gate-based quantum computers typically encode and process information in two-dimensional units called qubits. Using d-dimensional qudits instead may offer intrinsic advantages, including more efficient circuit synthesis, problem-tailored e…
View article: Leakage in restless quantum gate calibration
Leakage in restless quantum gate calibration Open
Quantum computers require high-fidelity quantum gates. These gates are obtained by routine calibration tasks that eat into the availability of cloud-based devices. Restless circuit execution speeds up characterization and calibration by fo…
View article: Large-scale quantum approximate optimization on non-planar graphs with machine learning noise mitigation
Large-scale quantum approximate optimization on non-planar graphs with machine learning noise mitigation Open
Quantum computers are increasing in size and quality, but are still very noisy. Error mitigation extends the size of the quantum circuits that noisy devices can meaningfully execute. However, state-of-the-art error mitigation methods are h…
View article: Well-conditioned multi-product formulas for hardware-friendly Hamiltonian simulation
Well-conditioned multi-product formulas for hardware-friendly Hamiltonian simulation Open
Simulating the time-evolution of a Hamiltonian is one of the most promising applications of quantum computers. Multi-Product Formulas (MPFs) are well suited to replace standard product formulas since they scale better with respect to time …
View article: A SAT Approach to the Initial Mapping Problem in SWAP Gate Insertion for Commuting Gates
A SAT Approach to the Initial Mapping Problem in SWAP Gate Insertion for Commuting Gates Open
Most quantum circuits require SWAP gate insertion to run on quantum hardware with limited qubit connectivity. A promising SWAP gate insertion method for blocks of commuting two-qubit gates is a predetermined swap strategy which applies lay…
View article: Qiskit Experiments: A Python package to characterizeand calibrate quantum computers
Qiskit Experiments: A Python package to characterizeand calibrate quantum computers Open
Qiskit Experiments is a Python package for designing and running quantum computing experiments with a focus on calibration and characterization of quantum devices.It consists of a general purpose experiments framework that can be used by r…
View article: Leakage in restless quantum gate calibration
Leakage in restless quantum gate calibration Open
Quantum computers require high fidelity quantum gates. These gates are obtained by routine calibration tasks that eat into the availability of cloud-based devices. Restless circuit execution speeds-up characterization and calibration by fo…