Papers
Live trends in quantum computing research, updated daily from arXiv.
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Hardware platform mentions in abstracts — Photonic leads
Programmable superconducting neuron with intrinsic in-memory computation and dual-timescale plasticity for ultra-efficient neuromorphic computing
Muen Wang, Shucheng Yang, Yuxiang Lin +8 more·Mar 5, 2026
The escalating energy demands of artificial intelligence pose a critical challenge to conventional computing. Leveraging the efficiency of event-driven, in-memory neuromorphic architectures into the superconducting circuits with ultra-high speed and ...
Rethinking Reproducibility in the Classical (HPC)-Quantum Era: Toward Workflow-Centered Science
Anna Vrtiak, Duuk Baten, Ariana Torres-Knoop·Mar 5, 2026
Scientific knowledge increasingly depends on complex computational processes where both hardware and software layers can influence research outcomes. As computational complexity grows, classical-quantum integration provides a lens for examining how t...
A Dynamical Lie-Algebraic Framework for Hamiltonian Engineering and Quantum Control
Yanying Liang, Ruibin Xu, Mao-Sheng Li +2 more·Mar 5, 2026
Determining the physically accessible unitary dynamics of a quantum system under finite Hamiltonian resources is a central problem in quantum control and Hamiltonian engineering. Dynamical Lie algebras (DLAs) provide the fundamental link between avai...
Spectral dynamics reservoir computing for high-speed hardware-efficient neuromorphic processing
Jiaxuan Chen, Ryo Iguchi, Sota Hikasa +1 more·Mar 5, 2026
Physical reservoir computing (PRC) is a promising brain-inspired computing architecture for overcoming the von Neumann bottleneck by utilizing the intrinsic dynamics of physical systems. However, a major obstacle to its real-world implementation lies...
Quantum Weight Reduction with Layer Codes
Andrew C. Yuan, Nouédyn Baspin, Dominic J. Williamson·Mar 5, 2026
Quantum weight reduction procedures ease the implementation of quantum codes by sparsifying them, resulting in low-weight checks and low-degree qubits. However, to date, only few quantum weight reduction methods have been explored. In this work we in...
Macromux: scalable postselection for high-threshold fault-tolerant quantum computation
Patrick Birchall, Jacob Bridgeman, Christopher Dawson +7 more·Mar 5, 2026
We introduce a new resource-efficient scheme for fault-tolerant quantum computation known as `macroscale multiplexing' (or simply `Macromux'), that utilizes scalable postselection to significantly improve the threshold of a given fault-tolerant proto...
Multistability and Self-Trapping in Cavity-Magnonic Dimer
Pooja Kumari Gupta, Amarendra K. Sarma, Subhadeep Chakraborty·Mar 5, 2026
We show that a driven-dissipative cavity-magnonic dimer supports multistability with coexisting symmetric and symmetry-broken steady states. The interplay between magnon Kerr nonlinearity and photon tunneling induces magnon self-trapping, leading to ...
ShieldBypass: On the Persistence of Impedance Leakage Beyond EM Shielding
Md Sadik Awal, Md Tauhidur Rahman·Mar 5, 2026
Electromagnetic (EM) shielding is widely used to suppress radiated emissions and limit passive EM side-channel leakage. However, shielding does not address active probing, where an adversary injects external radio-frequency (RF) signals and observes ...
Robust composite two-qubit gates for silicon-based spin qubits
Yang-Yang Yu, Guang-Hui Zhang, Yan-Jie He +3 more·Mar 5, 2026
We propose a universal approach based on Hamiltonian inverse engineering to realize a set of parameterized two-qubit gates. This method possesses unique advantages to simultaneous control of transitions among four energy levels, providing a simpler a...
Quantum Algorithms for Network Signal Coordination
Vinayak Dixit, Richard Pech·Mar 5, 2026
There has been increasing interest in developing efficient quantum algorithms for hard classical problems. The Network Signal Coordination (NSC) problem is one such problem known to be NP complete. We implement Grover's search algorithm to solve the ...
Programmable quantum simulation of anharmonic dynamics
Cameron McGarry, Teerawat Chalermpusitarak, Kai Schwennicke +9 more·Mar 5, 2026
Continuous-variable-discrete-variable (CV-DV) quantum simulators offer a natural route to simulating bosonic dynamics relevant to many branches of physics and chemistry. However, programmable simulation of arbitrary dynamics is an outstanding challen...
Long-Lived Mechanically-Detected Molecular Spins for Quantum Sensing
Sahand Tabatabaei, Pritam Priyadarsi, Daniel Tay +4 more·Mar 5, 2026
Quantum sensors based on individual spins provide unprecedented access to local magnetic fields in condensed matter, chemistry, and biology, with solid-state defect spins emerging as the leading platform. However, their molecular-sensing capabilities...
Photon statistics in waveguide QED: II Exact solutions in a thermodynamic limit
M. Eltohfa, F. Robicheaux·Mar 4, 2026
Waveguide quantum electrodynamics (WQED) offers a powerful framework for controlling light-matter interactions and realizing collective phenomena such as super- and subradiance. In general waveguide settings, the quantum dynamics spans the full Hilbe...
Quantum Time Synchronization of Star Networks
Brian J. Rollick, Zhensheng Jia, Bernardo A. Huberman·Mar 4, 2026
We extend the single source approach of Valencia et al in order to synchronize the clocks of an N user start network, connected both through fiber and in free space. Entangled photon pairs from a centralized SPDC source are distributed through a 1 by...
Unified Integer and Fractional Quantum Hall Effects from Boundary-Induced Edge-State Quantization
Pedro Pereyra·Mar 4, 2026
Despite the success of Landau-level theory and edge-state transport formalisms, a direct microscopic link between bulk quantization and the observed hierarchy of quantum Hall plateaus has not been established. In particular, no unified microscopic me...
Quantum foundations for quantum technologies in the International Year of Quantum (2025)
Angelo Bassi·Mar 4, 2026
From the very beginning, Quantum Mechanics has been accompanied by crucial foundational questions: the possibility of visualizing physical processes, the limits of measurement epitomized by the Heisenberg uncertainty principle, the existence of a dee...
Robustness as a thermodynamic currency: work advantages and preparation costs of nonclassical states
Luis Pedro Garcıa-Pintos, Tanmoy Biswas, Chandan Datta·Mar 4, 2026
Understanding whether uniquely quantum features can provide concrete advantages in thermodynamic processes is a central objective of quantum thermodynamics. A key challenge is quantifying how different forms of non-classicality can be systematically ...
Quantum Cramér-Rao bound on quantum metric as a multi-observable uncertainty relation
Wei Chen·Mar 4, 2026
A version of quantum Cramér-Rao bound dictates that the covariance of any set of operators is bounded by a product of the derivatives of expectation values and the inverse of quantum metric. We elaborate that because quantum metric itself is the cova...
Photon statistics in chiral waveguide QED: I Mean field and perturbative expansions
M. Eltohfa, F. Robicheaux·Mar 4, 2026
Waveguide Quantum Electrodynamics (WQED) offers a suitable stage for controlling the interaction of light with atoms, allowing for collective phenomena such as super- and subradiance. In a chiral waveguide setup, the quantum state evolves through all...
Fault-tolerant execution of error-corrected quantum algorithms
Michael A. Perlin, Zichang He, Anthony Alexiades Armenakas +9 more·Mar 4, 2026
Scaling up quantum algorithms to tackle high-impact problems in science and industry requires quantum error correction and fault tolerance. While progress has been made in experimentally realizing error-corrected primitives, the end-to-end execution ...