Papers
Live trends in quantum computing research, updated daily from arXiv.
Total Papers
28,188
This Month
0
Today
0
Research Volume
13,354 papers in 12 months (+7% vs prior quarter)
Research Focus Areas
Papers by research theme (12 months). Hover for details.
Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
The Thermodynamic Cost of Ignorance: Thermal State Preparation with One Ancilla Qubit
Matthew Hagan, Nathan Wiebe·Feb 5, 2025
In this work we investigate a model of thermalization wherein a single ancillary qubit randomly interacts with the system to be thermalized. This not only sheds light on the emergence of Gibbs states in nature, but also provides a routine for prepari...
Distributed Quantum Dynamics on Near-Term Quantum Processors
Vladyslav Bohun, M. Grandadam, M. Koch-Janusz·Feb 5, 2025
Simulations of quantum dynamics are a key application of near term quantum computing, but are hindered by the twin challenges of noise and small device scale, which limit the executable circuit depths and the number of qubits the algorithm can be run...
Benchmarking quantum devices beyond classical capabilities
Rafał Bistroń, Marcin Rudziński, Ryszard Kukulski +1 more·Feb 4, 2025
Rapid development of quantum computing technology has led to a wide variety of sophisticated quantum devices. Benchmarking these systems becomes crucial for understanding their capabilities and paving the way for future advancements. The Quantum Volu...
Improved quantum computation using operator backpropagation
Bryce Fuller, M. Tran, Danylo Lykov +10 more·Feb 4, 2025
Decoherence of quantum hardware is currently limiting its practical applications. At the same time, classical algorithms for simulating quantum circuits have progressed substantially. Here, we demonstrate a hybrid framework that integrates classical ...
Quantum Algorithms for Quantum Molecular Systems: A Survey
Yukun Zhang, Xiao-Ming Zhang, Jinzhao Sun +4 more·Feb 4, 2025
Solving quantum molecular systems presents a significant challenge for classical computation. The advent of early fault‐tolerant quantum computing devices offers a promising avenue to address these challenges, leveraging advanced quantum algorithms w...
Developing techniques for Simulation of SU(3) Quantum Field Theories on State-of-the-Art Quantum Devices
I. Chernyshev·Feb 4, 2025
Quantum computing has long been an experimental technology with the potential to simulate, at scale, phenomena which on classical devices would be too expensive to simulate at any but the smallest scales. Over the last several years, however, it has ...
Efficient Magic State Cultivation on the Surface Code
Yotam Vaknin, Shoham Jacoby, Arne Grimsmo +1 more·Feb 3, 2025
Magic state cultivation is a leading approach for generating the resource states required for fault-tolerant quantum computation. Here we present a new cultivation protocol that increases the success probability of magic-state generation in platforms...
Impact of Fixing Spins in a Quantum Annealer with Energy Rescaling
Tomohiro Hattori, Hirotaka Irie, Tadashi Kadowaki +1 more·Feb 3, 2025
Quantum annealing is a promising algorithm for solving combinatorial optimization problems. However, various hardware restrictions significantly impede its efficient performance. Size-reduction methods provide an effective approach for addressing lar...
Quantum Quandaries: Unraveling Encoding Vulnerabilities in Quantum Neural Networks
S. Upadhyay, Swaroop Ghosh·Feb 3, 2025
Quantum computing (QC) has the potential to revolutionize fields like machine learning, security, and healthcare. Quantum machine learning (QML) has emerged as a promising area, enhancing learning algorithms using quantum computers. However, QML mode...
Non-Markovian Quantum Jump Method for Driven-Dissipative Two-Level Systems
Huanyuan Zhang, Jiasen Jin·Feb 2, 2025
We propose a modified non-Markovian quantum jump method to overcome the obstacle of dramatically increased trajectory number in conventional quantum trajectory simulations. In our method the trajectories are classified into the trajectory classes cha...
Identifying vulnerable nodes and detecting malicious entanglement patterns to handle st-connectivity attacks in quantum networks
Iain Burge, Michel Barbeau, Joaquin Garcia-Alfaro·Feb 1, 2025
Problems in distributed system security often map naturally to graphs. The concept of centrality assesses the importance of nodes in a graph. It is used in various applications. Cooperative game theory has also been used to create nuanced and flexibl...
Stress accommodation in nanoscale dolan bridges designed for superconducting qubits
Sueli Skinner-Ramos, Matthew L. Freeman, Douglas Pete +3 more·Feb 1, 2025
Josephson junctions are the principal circuit element in numerous superconducting quantum information devices and can be readily integrated into large-scale electronics. However, device integration at the wafer scale necessarily depends on having a r...
Digital Quantum Simulations of the Non-Resonant Open Tavis-Cummings Model
Aidan N. Sims, Dhrumil Patel, Aby Philip +4 more·Jan 30, 2025
The open Tavis--Cummings model consists of $N$ quantum emitters interacting with a common cavity mode, accounts for losses and decoherence, and is frequently explored for quantum information processing and designing quantum devices. As $N$ increases,...
Real-time adaptation of quantum noise channel estimates
L. Daguerre, M. Sarovar·Jan 30, 2025
Estimates of noise channels for quantum gates are required for most error mitigation techniques and are desirable for informing quantum error correction decoders. These estimates can be obtained by resource-intensive off-line characterization techniq...
Large-scale stochastic simulation of open quantum systems
Aaron Sander, Maximilian Fröhlich, Martin Eigel +6 more·Jan 29, 2025
Understanding interactions between quantum systems and their environments is crucial for developing stable quantum technologies and accurate physical models. Yet, simulating open quantum systems with non-unitary dynamics remains computationally deman...
Quantum simulation of Non-Abelian lattice gauge theories: A variational approach to D 8 with dynamical matter
Emanuele Gaz, Pavel P. Popov, Guy Pardo +3 more·Jan 29, 2025
In this work, we address the problem of a resource-efficient formulation of non-Abelian LGTs by focusing on the difficulty of simulating fermionic degrees of freedom and the Hilbert space redundancy. First, we show a procedure that removes the matter...
Quantum circuit for exponentiation of Hamiltonians: an algorithmic description based on tensor products
G. Fleury, P. Lacomme·Jan 29, 2025
Exponentiation of Hamiltonians refers to a mathematical operation to a Hamiltonian operator, typically in the form e^(-i.t.H), where H is the Hamiltonian and t is a time parameter. This operation is fundamental in quantum mechanics, particularly to e...
Machine-Learning-Enhanced Optimization of Noise-Resilient Variational Quantum Eigensolvers
K. Nicoli, Luca J. Wagner, L. Funcke·Jan 29, 2025
Variational Quantum Eigensolvers (VQEs) are a powerful class of hybrid quantum-classical algorithms designed to approximate the ground state of a quantum system described by its Hamiltonian. VQEs hold promise for various applications, including latti...
Quantum XYZ cyclic codes for biased noise
Zhipeng Liang, Fusheng Yang, Zhengzhong Yi +1 more·Jan 28, 2025
In some quantum computing architectures, Pauli noise is highly biased. Tailoring Quantum error-correcting codes to the biased noise may benefit reducing the physical qubit overhead without reducing the logical error rate. In this paper, we propose a ...
Simulating Methylamine Using a Symmetry-Adapted, Qubit Excitation-Based Variational Quantum Eigensolver
K. M. Makushin, A. K. Fedorov·Jan 28, 2025
Understanding the capabilities of quantum computer devices and computing the required resources to solve realistic tasks remain critical challenges associated with achieving useful quantum computational advantage. We present a study aimed at reducing...