Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Steiner Traveling Salesman Problem with Time Windows and Pickup-Delivery: integrating classical and quantum optimization
Alessia Ciacco, Francesca Guerriero, Eneko Osaba·Aug 25, 2025
We propose the Steiner Traveling Salesman Problem with Time Windows and Pickup and Delivery, an advanced and practical extension of classical routing models. This variant integrates the characteristics of the Steiner Traveling Salesman Problem with t...
Quantum State Fidelity for Functional Neural Network Construction
Sk Chan, W. Smith, Kyla Gabriel·Aug 23, 2025
Neuroscientists face challenges in analyzing high-dimensional neural recording data of dense functional networks. Without ground-truth reference data, finding the best algorithm for recovering neurologically relevant networks remains an open question...
Multiclass portfolio optimization via variational quantum Eigensolver with Dicke state ansatz
J. Scursulim, G. Langeloh, Victor Leme Beltran +1 more·Aug 19, 2025
Combinatorial optimization is a fundamental challenge in various domains, with portfolio optimization standing out as a key application in finance. Despite numerous quantum algorithmic approaches proposed for this problem, most overlook a critical fe...
Dynamic syndrome decoder in volume-law phases of hybrid quantum circuits
Dawid Paszko, M. Szyniszewski, Arijeet Pal·Aug 18, 2025
Phases of matter with volume-law entanglement are frequently observed in quantum circuits and have numerous applications, ranging from deepening our understanding of quantum mechanics to advancements in quantum computing and cryptography. Their capac...
The Evolution of IBM's Quantum Information Software Kit (Qiskit): A Review of its Applications
Param Pathak, K. Tarakeshwar, Syed Sufiyan Ali +2 more·Aug 17, 2025
Quantum computing is being increasingly adopted for solving classically intractable problems across various domains. However, the availability of accessible and scalable software frameworks remains essential for practical experimentation and adoption...
The Role of Quantum Computing in Advancing Scientific High-Performance Computing: A perspective from the ADAC Institute
Gilles Buchs, Thomas Beck, Ryan Bennink +19 more·Aug 15, 2025
Quantum computing (QC) has gained significant attention over the past two decades due to its potential for speeding up classically demanding tasks. This transition from an academic focus to a thriving commercial sector is reflected in substantial glo...
Variational Time Evolution Compression for Solving Impurity Models on Quantum Hardware
Stefan Wolf, Martin Eckstein, Michael J. Hartmann·Aug 14, 2025
Dynamical mean-field theory (DMFT) is a useful tool to analyze models of strongly correlated fermions like the Hubbard model. In DMFT, the lattice of the model is replaced by a single impurity site embedded in an effective bath. The resulting single ...
Parity Cross-Resonance: A Multiqubit Gate
Xuexin Xu, Siyu Wang, Radhika H. Joshi +2 more·Aug 14, 2025
We present a native three-qubit entangling gate that exploits engineered interactions to realize control-control-target and control-target-target operations in a single coherent step. Unlike conventional decompositions into multiple two-qubit gates, ...
Majorana braiding simulations with projective measurements
Philipp Frey, Themba Hodge, Eric Mascot +1 more·Aug 13, 2025
We summarize the key ingredients required for universal topological quantum computation using Majorana zero modes in networks of topological superconductor nanowires. Particular emphasis is placed on the use of both sparse and dense logical qubit enc...
Constrained free energy minimization for the design of thermal states and stabilizer thermodynamic systems
Michele Minervini, Madison Chin, Jacob Kupperman +6 more·Aug 12, 2025
A quantum thermodynamic system is described by a Hamiltonian and a list of conserved, non-commuting charges, and a fundamental goal is to determine the minimum energy of the system subject to constraints on the charges. Recently, [Liu et al., arXiv:2...
Subsampling Factorization Machine Annealing
Yusuke Hama, Tadashi Kadowaki·Aug 12, 2025
Quantum computing and machine learning are state-of-the-art technologies that have been investigated intensively in both academia and industry. The hybrid technology of these two ingredients is expected to be a powerful tool to solve complex problems...
Robust quantum computational advantage with programmable 3050-photon Gaussian boson sampling
Hua-Liang Liu, Hao-Ru Su, Si-Qiu Gong +34 more·Aug 12, 2025
The creation of large-scale, high-fidelity quantum computers is not only a fundamental scientific endeavour in itself, but also provides increasingly robust proofs of quantum computational advantage (QCA) in the presence of unavoidable noise and the ...
Scalable Fluxonium-Transmon Architecture for Error Corrected Quantum Processors
Lukas Heunisch, Longxiang Huang, Stephan Tasler +8 more·Aug 12, 2025
We propose a hybrid quantum computing architecture composed of alternating fluxonium and transmon qubits, that are coupled via transmon tunable couplers. We show that this system offers excellent scaling properties, characterized by engineered zero $...
Collaborative Filtering using Variational Quantum Hopfield Associative Memory
Amir Kermanshahani, Ebrahim Ardeshir-Larijani, Rakesh Saini +1 more·Aug 12, 2025
Quantum computing, with its ability to do exponentially faster computation compared to classical systems, has found novel applications in various fields such as machine learning and recommendation systems. Quantum Machine Learning (QML), which integr...
$\bf A^2$-robust superradiant phase transition in hybrid qubit-cavity optomechanics
Gang Liu, Wei Xiong·Aug 11, 2025
The $\mathbf{A}^2$ term presents a fundamental challenge to realizing the superradiant phase transition (SPT) in cavity quantum electrodynamics. Here, we propose a hybrid quantum system enabling SPT regardless of the presence of the $\mathbf{A}^2$ te...
Quantum-Classical Hybrid Computation of Electron Transfer in a Cryptochrome Protein via VQE-PDFT and Multiscale Modeling
Yibo Chen, Zirui Sheng, Weitang Li +4 more·Aug 10, 2025
Accurate calculation of strongly correlated electronic systems requires proper treatment of both static and dynamic correlations, which remains challenging for conventional methods. To address this, we present VQE-PDFT,aquantum-classical hybrid frame...
Joint parameter estimation and multidimensional reconciliation for continuous-variable quantum key distribution
Jisheng Dai, Xue-Qin Jiang, Peng Huang +2 more·Aug 7, 2025
Accurate quantum channel parameter estimation is essential for effective information reconciliation in continuous-variable quantum key distribution (CV-QKD). However, conventional maximum likelihood (ML) estimators rely on a large amount of discarded...
Hybrid quantum tensor networks for aeroelastic applications
M. L. Hickmann, P. Alves, David Quero +2 more·Aug 7, 2025
We investigate the application of hybrid quantum tensor networks to aeroelastic problems, harnessing the power of Quantum Machine Learning (QML). By combining tensor networks with variational quantum circuits, we demonstrate the potential of QML to t...
Hybrid Oscillator-Qudit Quantum Processors: stabilizer states, stabilizer codes, symplectic operations, and non-commutative geometry
Sayan Chakraborty, Victor V. Albert·Aug 6, 2025
We construct stabilizer states and error-correcting codes on combinations of discrete- and continuous-variable systems, generalizing the Gottesman-Kitaev-Preskill (GKP) quantum lattice formalism. Our framework absorbs the discrete phase space of a qu...
Entanglement distribution in quantum networks via swapping of partially entangled pure states
Henrique Guerra, Tailan S. Sarubi, Rafael Chaves +1 more·Aug 6, 2025
The entanglement swapping protocol (ESP) is a fundamental primitive for distributing quantum correlations across distant nodes in a quantum network. Recent studies have demonstrated that even when the involved qubit pairs are only partially entangled...