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
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...
Programming tools for Analogue Quantum Computing in the High-Performance Computing Context - A Review
Mateusz Meller, Vendel Szeremi, O. T. Brown·Jan 28, 2025
Recent advances in quantum computing have brought us closer to realizing the potential of this transformative technology. While significant strides have been made in quantum error correction, many challenges persist, particularly in the realm of nois...
Hybrid Quantum Neural Networks with Amplitude Encoding: Advancing Recovery Rate Predictions
Ying Chen, Paul Griffin, Paolo Recchia +2 more·Jan 27, 2025
Recovery rate prediction plays a pivotal role in bond investment strategies by enhancing risk assessment, optimizing portfolio allocation, improving pricing accuracy, and supporting effective credit risk management. However, accurate forecasting rema...
Eigenstate solutions of the Fermi-Hubbard model via symmetry-enhanced variational quantum eigensolver
Shaohui Yao, Wenyu Wang·Jan 27, 2025
The Variational Quantum Eigensolver (VQE), as a hybrid quantum-classical algorithm, is an important tool for effective quantum computing in the current noisy intermediate-scale quantum (NISQ) era. However, the traditional hardware-efficient ansatz wi...
Harnessing CUDA-Q’s MPS for Tensor Network Simulations of Large-Scale Quantum Circuits
Gabin Schieffer, Stefano Markidis, Ivy Bo Peng·Jan 27, 2025
Quantum computer simulators are an indispensable tool for prototyping quantum algorithms and verifying the functioning of existing quantum computer hardware. The current largest quantum computers feature more than one thousand qubits, challenging the...
Analog QAOA with Bayesian optimisation on a neutral atom QPU
Simone Tibaldi, Lucas Leclerc, D. Vodola +2 more·Jan 27, 2025
This study explores the implementation of the Quantum Approximate Optimisation Algorithm (QAOA) in its analog form using a neutral atom quantum processing unit to solve the Maximum Independent Set problem. Our QAOA protocol leverages the natural enco...
Certifying entanglement dimensionality by $k$-reduction moments
Changhao Yi, Xiaodi Li, Huangjun Zhu·Jan 26, 2025
In this paper, we combine the k-reduction map, the moment method, and the classical shadow method into a practical protocol for certifying the entanglement dimensionality. Our approach is based on the observation that a state with entanglement dimens...
Error-mitigated geometric quantum control over an oscillator
M. Liang, Tao Chen, Zheng-Yuan Xue·Jan 24, 2025
Quantum information is very fragile to environmentally and operationally induced imperfections. Therefore, the construction of practical quantum computers requires quantum error-correction techniques to protect quantum information. In particular, enc...
Qubit operations using a modular optical system engineered with PyOpticL: a code-to-CAD optical layout tool
Jacob Myers, Christopher Caron, N. Helaly +5 more·Jan 24, 2025
Complex optical design is hindered by conventional piecewise setup, which prevents modularization and therefore abstraction of subsystems at the circuit level. This limits multiple fields that require complex optics systems, including quantum computi...
Tensor-Based Binary Graph Encoding for Variational Quantum Classifiers
Shiwen An, Konstantinos Slavakis·Jan 24, 2025
Quantum computing has been a prominent research area for decades, inspiring transformative fields such as quantum simulation, quantum teleportation, and quantum machine learning (QML), which are undergoing rapid development. Within QML, hybrid classi...
Quantum Error Correction and $Z(2)$ Lattice Gauge Theories
Seyong Kim·Jan 23, 2025
$Z(2)$ lattice gauge theory plays an important role in the study of the threshold probability of Quantum Error Correction (QEC) for a quantum code. For certain QEC codes, such as the well-known Kitaev's toric/surface code, one can find a mapping of t...
Native three-body interactions in a superconducting lattice gauge quantum simulator
J. Busnaina, Z. Shi, J. M. Alcaine-Cuervo +4 more·Jan 23, 2025
While universal quantum computers remain under development, analog quantum simulators offer a powerful alternative for understanding complex systems in condensed matter, chemistry, and high-energy physics. One compelling application is the characteri...
Non-unitary Variational Quantum Eigensolver with the Localized Active Space Method and Cost Mitigation
Qiaohong Wang, Ruhee D'Cunha, Abhishek Mitra +4 more·Jan 23, 2025
Accurately describing strongly correlated systems with affordable quantum resources remains a central challenge for quantum chemistry applications on near and intermediate-term quantum computers. The localized active space self-consistent field (LASS...
Distributed Quantum Error Correction Based on Hyperbolic Floquet Codes
Evan Sutcliffe, Bhargavi Jonnadula, C. Le Gall +2 more·Jan 23, 2025
Quantum computing offers significant speedups, but the large number of physical qubits required for quantum error correction introduces engineering challenges for a monolithic architecture. One solution is to distribute the logical quantum computatio...
Hamiltonian Simulation via Stochastic Zassenhaus Expansions
Joseph Peetz, P. Narang·Jan 23, 2025
We introduce the stochastic Zassenhaus expansions (SZEs), a class of ancilla-free quantum algorithms for Hamiltonian simulation. These algorithms map nested Zassenhaus formulas onto quantum gates and then employ randomized sampling to minimize circui...
Non-zero noise extrapolation: accurately simulating noisy quantum circuits with tensor networks
A. Thompson, Arie Soeteman, Chris Cade +1 more·Jan 22, 2025
Understanding the effects of noise on quantum computations is fundamental to the development of quantum hardware and quantum algorithms. Simulation tools are essential for quantitatively modelling these effects, yet unless artificial restrictions are...
Simulating quantum circuits with arbitrary local noise using Pauli Propagation
Armando Angrisani, A. A. Mele, M. S. Rudolph +2 more·Jan 22, 2025
We present a polynomial-time classical algorithm for estimating expectation values of arbitrary observables on typical quantum circuits under any incoherent local noise, including non-unital or dephasing. Although previous research demonstrated that ...
Efficient simulation of parametrized quantum circuits under non-unital noise through Pauli backpropagation
Victor Martinez, Armando Angrisani, E. Pankovets +2 more·Jan 22, 2025
As quantum devices continue to grow in size but remain affected by noise, it is crucial to determine when and how they can outperform classical computers on practical tasks. A central piece in this effort is to develop the most efficient classical si...
Classical and quantum algorithms for characters of the symmetric group
S. Bravyi, David Gosset, Vojtěch Havlíček +1 more·Jan 22, 2025
Characters of irreducible representations are ubiquitous in group theory. However, computing characters of some groups such as the symmetric group $S_n$ is a challenging problem known to be $\#P$-hard in the worst case. Here we describe a Matrix Prod...
Practical scheme for efficient distillation of GHZ states
'Aron Rozgonyi, G'abor Sz'echenyi, Orsolya K'alm'an +1 more·Jan 21, 2025
We develop an efficient local operation and classical communication (LOCC) scheme for the distillation of Greenberger-Horne-Zeilinger (GHZ) states from tripartite systems subjected to both coherent and incoherent errors. The proposed method employs a...