Papers
Live trends in quantum computing research, updated daily from arXiv.
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13,524 papers in 12 months (-19% vs prior quarter)
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Superposed parameterised quantum circuits
Viktoria Patapovich, Maniraman Periyasamy, Mo Kordzanganeh +1 more·Jun 10, 2025
Quantum machine learning has shown promise for high-dimensional data analysis, yet many existing approaches rely on linear unitary operations and shared trainable parameters across outputs. These constraints limit expressivity and scalability relativ...
Quantum Resource Assay for the Grid-Based Simulation of the Photodynamics of Pyrazine
Xiaoning Feng, Hans Hon Sang Chan, David P. Tew·Jun 10, 2025
We establish and analyse the performance and resource requirements of an end-to-end fault-tolerant quantum algorithm for computing the absorption spectrum and population dynamics of photoexcited pyrazine. The quantum circuit construction consists of ...
Adaptive quantum dynamics with the time-dependent variational Monte Carlo method
Raffaele Salioni, Rocco Martinazzo, Davide Emilio Galli +1 more·Jun 10, 2025
We introduce an extension of the time-dependent variational Monte Carlo (tVMC) method that adaptively controls the expressivity of the variational quantum state during the simulation of the dynamics. This adaptive tVMC (atVMC) approach is specificall...
Insightful Approach to Quantum Noise Suppression Below the Standard Quantum Limit Using a Single Mirror and Beam Splitter
Sun-Hyun Youn·Jun 10, 2025
When a coherent electromagnetic wave passes through a beam splitter (BS), it is divided equally into two parts. However, the quantum noise associated with the resulting coherent states, despite being reduced in amplitude by half, remains fundamentall...
Matrix Product State on a Quantum Computer
Yong Liu, Guangyao Huang, Yizhi Wang +1 more·Jun 10, 2025
Solving quantum many-body systems is one of the most significant regimes where quantum computing applies. Currently, as a hardware-friendly computational paradigms, variational algorithms are often used for finding the ground energy of quantum many-b...
Correcting a noisy quantum computer using a quantum computer
Pan Zhang·Jun 10, 2025
Quantum computers require error correction to achieve universal quantum computing. However, current decoding of quantum error-correcting codes relies on classical computation, which is slower than quantum operations in superconducting qubits. This di...
State-preparation and measurement error mitigation with non-computational states
Conrad J. Haupt, Almudena Carrera Vazquez, Laurin E. Fischer +2 more·Jun 10, 2025
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, fundamental limi...
Genetic Transformer-Assisted Quantum Neural Networks for Optimal Circuit Design
Haiyan Wang·Jun 10, 2025
We introduce Genetic Transformer Assisted Quantum Neural Networks (GTQNNs), a hybrid learning framework that combines a transformer encoder with a shallow variational quantum circuit and automatically fine tunes the circuit via the NSGA-II multi obje...
Qymera: Simulating Quantum Circuits using RDBMS
Tim Littau, Rihan Hai·Jun 10, 2025
Quantum circuit simulation is crucial for quantum computing such as validating quantum algorithms. We present Qymera, a system that repurposes relational database management systems (RDBMSs) for simulation by translating circuits into SQL queries, al...
Digital Quantum Simulation of the Kitaev Quantum Spin Liquid
Seongju Park, Eun-Gook Moon·Jun 10, 2025
The ground state of the Kitaev quantum spin liquid on a honeycomb lattice is an intriguing many-body state characterized by its topological order and massive entanglement. One of the significant issues is to prepare and manipulate the ground state as...
Enhancing quantum noise characterization via extra energy levels
Senrui Chen, A. Hashim, Noah Goss +3 more·Jun 10, 2025
Noise is a major challenge for building practical quantum computing systems. Precise characterization of quantum noise is crucial for developing effective error mitigation and correction schemes. However, state preparation and measurement (SPAM) erro...
Quantum Adiabatic Generation of Human-Like Passwords
Sascha Mücke, R. Heese, Thore Gerlach +3 more·Jun 10, 2025
Generative Artificial Intelligence (GenAI) for Natural Language Processing (NLP) is the predominant AI technology to date. An important perspective for Quantum Computing (QC) is the question whether QC has the potential to reduce the vast resource re...
Phonon- and magnon-mediated decoherence of a magnonic qubit
Vemund Falch, A. Brataas, Jeroen Danon·Jun 10, 2025
We investigate the decoherence of magnonic qubits in small ferromagnetic insulators and compute the relaxation and dephasing rates due to magnon-phonon and magnon-magnon interactions. We combine a Bloch--Redfield description with Keldysh non-equilibr...
Low-Level and NUMA-Aware Optimization for High-Performance Quantum Simulation
A. Rezaei, Luc Jaulmes, Maria Bahna +2 more·Jun 10, 2025
Scalable classical simulation of quantum circuits is crucial for advancing quantum algorithm development and validating emerging hardware. This work focuses on performance enhancements through targeted low-level and NUMA-aware tuning on a single-node...
Fault-Tolerant Stabilizer Measurements in Surface Codes with Three-Qubit Gates.
Josias Old, Stephan Tasler, Michael J. Hartmann +1 more·Jun 10, 2025
Stabilizer quantum error correction (QEC) codes, in particular topological surface codes, are prime candidates to enable practical quantum computing. While it is widely believed that strictly fault-tolerant protocols can only be implemented using sin...
Optimizing Superconducting Three-Qubit Gates for Surface-Code Error Correction
Stephan Tasler, Josias Old, Lukas Heunisch +4 more·Jun 10, 2025
Quantum error correction (QEC) is one of the crucial building blocks for developing quantum computers that have significant potential for reaching a quantum advantage in applications. Prominent candidates for QEC are stabilizer codes for which period...
Solving excited states for long-range interacting trapped ions with neural networks
Yixuan Ma, Chang Liu, Weikang Li +4 more·Jun 10, 2025
The computation of excited states in strongly interacting quantum many-body systems is of fundamental importance. Yet, it is notoriously challenging due to the exponential scaling of the Hilbert space dimension with the system size. Here, we introduc...
Quantum Simulation of Noisy Quantum Networks
Ferran Riera-Sàbat, Jorge Miguel-Ramiro, W. Dur·Jun 10, 2025
Complex quantum networks are not only hard to establish, but also difficult to simulate due to the exponentially growing state space and noise-induced imperfections. In this work, we propose an alternative approach that leverage quantum computers and...
Scaling Portfolio Diversification with Quantum Circuit Cutting Techniques
Vicente P. Soloviev, Antonio M'arquez Romero, Josh J. M. Kirsopp +1 more·Jun 10, 2025
Quantum Approximate Optimization Algorithms (QAOA) have demonstrated a strong potential in addressing graph-based optimization problems. However, the execution of large-scale quantum circuits remains constrained by the limitations of current quantum ...
Nonlocality in Continuous-Variable Quantum Networks
Sudip Chakrabarty, Amit Kundu, A. S. Majumdar·Jun 9, 2025
Quantum networks enable forms of nonlocality beyond the standard Bell scenario, with a multitude of potential applications. Continuous-variable (CV) platforms are particularly attractive for large-scale networks, offering deterministic entanglement g...