Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Quantum memristor with vacuum--one-photon qubits
S. D. Micco, Beatrice Polacchi, Taira Giordani +1 more·Mar 4, 2025
Quantum memristors represent a promising interface between quantum and neuromorphic computing, combining the nonlinear, memory-dependent behavior of classical memristors with the properties of quantum states. An optical quantum memristor can be reali...
Probing non-ergodicity and symmetry via coherent forward scattering in a shaken rotor
F. Arrouas, J. Hébraud, N. Ombredane +9 more·Mar 3, 2025
The Coherent Backscattering (CBS) peak is a well-known interferential signature of weak localization in disordered or chaotic systems. More recently, a second interference feature -- the Coherent Forward Scattering (CFS) peak -- was predicted to emer...
Universal whirling magnetic orders in non-Heisenberg Tsai-type quasicrystal approximants
Farid Labib, Kazuhiro Nawa, Yusuke Nambu +9 more·Mar 3, 2025
Magnetic orders of non-Heisenberg Tsai-type 1/1 approximant crystals (ACs) in the Au-Ga-Dy system were studied through bulk magnetization, neutron diffraction, and inelastic neutron scattering techniques. The results uncovered noncoplanar, ferromagne...
Fragility of Magic State Distillation under Imperfect Measurements
Yunzhe Zheng, Yuanchen Zhao, Dong E. Liu·Mar 3, 2025
Magic state distillation (MSD) is the leading approach to generate the non-Clifford resources required for universal fault-tolerant quantum computation. While most analyses assume ideal measurements in the distillation process, this assumption breaks...
Locating Rydberg Decay Error in SWAP-Leakage Reduction Circuit Protocol
Cheng-Cheng Yu, Yu-Hao Deng, Ming-Cheng Chen +2 more·Mar 3, 2025
Qubit leakage and loss, particularly Rydberg-induced decay during two-qubit gates, pose significant challenges to fault-tolerant quantum computing with neutral atom arrays, as they propagate to correlated errors and degrade code distance. Here, we pr...
Negative exchange interaction in Si quantum dot arrays via valley-phase induced $\mathbb{Z}_2$ gauge field
Benjamin D. Woods·Mar 3, 2025
The exchange interaction $J$ offers a powerful tool for quantum computation based on semiconductor spin qubits. However, the exchange interaction in two-electron systems in the absence of a magnetic field is usually constrained to be non-negative $J ...
The Post-Quantum Cryptography Transition: Making Progress, But Still a Long Road Ahead
Brian A. LaMacchia, Matthew J. Campagna, William Gropp·Mar 3, 2025
The development of quantum computing threatens the security of our currently widely deployed cryptographic algorithms. While signicant progress has been made in developing post-quantum cryptography (PQC) standards to protect against future quantum co...
The carbon nanotube gatemon qubit
H. Riechert, S. Annabi, A. Peugeot +8 more·Mar 3, 2025
Gate-tunable transmon qubits are based on quantum conductors used as weak links within hybrid Josephson junctions. These gatemons have been implemented in just a handful of systems, all relying on extended conductors, namely epitaxial semiconductors ...
Fast Expectation Value Calculation Speedup of Quantum Approximate Optimization Algorithm: HoLCUs QAOA
Alejandro Mata Ali·Mar 3, 2025
In this paper, we present a new method for calculating expectation values of operators that can be expressed as a linear combination of unitary (LCU) operators. This method allows to perform this calculation in a single quantum circuit measuring a si...
Renormalization and Low-Energy Effective Models in Cavity and Circuit QED
Daniele Lamberto, A. Mercurio, O. D. Stefano +2 more·Mar 3, 2025
The quantum Rabi model (QRM) is a cornerstone in the study of light-matter interactions within cavity and circuit quantum electrodynamics (QED). It effectively captures the dynamics of a two-level system coupled to a single-mode resonator, serving as...
On Exact Sizes of Minimal CNOT Circuits
Jens Christensen, Søren Fuglede Jørgensen, Andreas Pavlogiannis +1 more·Mar 3, 2025
Computing a minimum-size circuit that implements a certain function is a standard optimization task. We consider circuits of CNOT gates, which are fundamental binary gates in reversible and quantum computing. Algebraically, CNOT circuits on $n$ qubit...
A thermal-noise-resilient microwave quantum network up to 4 K
Jiawei Qiu, Zihao Zhang, Zilin Wang +9 more·Mar 3, 2025
Quantum communication at microwave frequencies has been fundamentally constrained by the susceptibility of microwave photons to thermal noise, hindering their application in scalable quantum networks. Here we demonstrate a thermal-noise-resilient mic...
QCS-ADME: Quantum Circuit Search for Drug Property Prediction with Imbalanced Data and Regression Adaptation
Kangyu Zheng, Tianfan Fu, Zhiding Liang·Mar 2, 2025
The biomedical field is beginning to explore the use of quantum machine learning (QML) for tasks traditionally handled by classical machine learning, especially in predicting ADME (absorption, distribution, metabolism, and excretion) properties, whic...
Scalable Memory Recycling for Large Quantum Programs
Israel Reichental, Ravid Alon, Lior Preminger +2 more·Mar 2, 2025
As quantum computing technology advances, the complexity of quantum algorithms increases, necessitating a shift from low-level circuit descriptions to high-level programming paradigms. This paper addresses the challenges of developing a compilation a...
Intuit: Explain Quantum Computing Concepts via AR-based Analogy
Manusha Karunathilaka, Shaolun Ruan, Linping Yuan +5 more·Mar 2, 2025
Quantum computing has shown great potential to revolutionize traditional computing and can provide an exponential speedup for a wide range of possible applications, attracting various stakeholders. However, understanding fundamental quantum computing...
Optimizing Low-Energy Carbon IIoT Systems With Quantum Algorithms: Performance Evaluation and Noise Robustness
Kshitij Dave, Nouhaila Innan, B. K. Behera +3 more·Mar 2, 2025
Low-energy carbon Internet of Things (IoT) systems are essential for sustainable development, as they reduce carbon emissions while ensuring efficient device performance. Although classical algorithms manage energy efficiency and data processing with...
Characterizing dynamical behaviors in topological open systems with boundary dissipations
Zhen-Yu Zheng, Xueliang Wang, Shu Chen·Mar 1, 2025
We investigate the dynamics of the Su-Schrieffer-Heeger model with boundary dissipations described by Lindblad master equations and unravel distinct dynamical features in the topologically different phases of the underlying Hamiltonian. By examining ...
Qubit Movement-Optimized Program Generation on Zoned Neutral Atom Processors
Enhyeok Jang, Youngmin Kim, Hyungseok Kim +3 more·Mar 1, 2025
A zoned neutral atom architecture achieves exceptional fidelity by segregating the execution spaces of 1- and 2-qubit gates, being a promising candidate for high-accuracy quantum systems. Unfortunately, na'ively applying programs designed for static ...
Collective neutrino oscillations in three flavors on qubit and qutrit processors
Luca Spagnoli, Noah Goss, A. Roggero +9 more·Mar 1, 2025
Collective neutrino flavor oscillations are of primary importance in understanding the dynamic evolution of core-collapse supernovae and subsequent terrestrial detection, but also among the most challenging aspects of numerical simulations. This situ...
Choco-Q: Commute Hamiltonian-based QAOA for Constrained Binary Optimization
Debin Xiang, Qifan Jiang, Liqiang Lu +2 more·Mar 1, 2025
Constrained binary optimization aims to find an optimal assignment to minimize or maximize the objective meanwhile satisfying the constraints, which is a representative NP problem in various domains, including transportation, scheduling, and economy....