Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Foundry-Enabled Patterning of Diamond Quantum Microchiplets for Scalable Quantum Photonics
Jawaher Almutlaq, Alessandro Buzzi, Anders Khaykin +6 more·Jan 27, 2026
Quantum technologies promise secure communication networks and powerful new forms of information processing, but building these systems at scale remains a major challenge. Diamond is an especially attractive material for quantum devices because it ca...
Optically Addressable Molecular Spins at 2D Surfaces
Xuankai Zhou, Yan-Tung Kong, Cheuk Kit Cheung +18 more·Jan 27, 2026
Optically addressable spins at material surfaces have represented a long-standing ambition in quantum sensing, providing atomic resolution and quantum-limited sensitivity. However, they are constrained by a finite depth at which the quantum spins can...
A Surface-Scaffolded Molecular Qubit
Tian-Xing Zheng, M. Iqbal Bakti Utama, Xingyu Gao +24 more·Jan 27, 2026
Fluorescent spin qubits are central building blocks of quantum technologies. Placing these qubits at surfaces maximizes coupling to nearby spins and fields, enabling nanoscale sensing and facilitating integration with photonic and superconducting dev...
Real-Time Iteration Scheme for Dynamical Mean-Field Theory: A Framework for Near-Term Quantum Simulation
Chakradhar Rangi, Aadi Singh, Ka-Ming Tam·Jan 27, 2026
We present a time-domain iteration scheme for solving the Dynamical Mean-Field Theory (DMFT) self-consistent equations using retarded Green's functions in real time. Unlike conventional DMFT approaches that operate in imaginary time or frequency spac...
Quantum Light Detection with Enhanced Photonic Neural Network
Stanisław Świerczewski, Dogyun Ko, Amir Rahmani +7 more·Jan 27, 2026
Advances in quantum technologies are accelerating the demand for optical quantum state sensors that combine high precision, versatility, and scalability within a unified hardware platform. Quantum reservoir computing offers a powerful route toward th...
Broadcasting quantum nonlinearity in hybrid systems
Alisa D. Manukhova, Andrey A. Rakhubovsky, Radim Filip·Jan 27, 2026
Linear oscillators contribute to most branches of contemporary quantum science. They have already successfully served as quantum sensors and memories, found applications in quantum communication, and hold promise for cluster-state-based quantum compu...
Flux-tunable transmon incorporating a van der Waals superconductor via an Al/AlO$_x$/4Hb-TaS$_2$ Josephson junction
Eliya Blumenthal, Ilay Mangel, Amit Kanigel +1 more·Jan 27, 2026
Incorporating van der Waals (vdW) superconductors into Josephson elements extends circuit-QED beyond conventional Al/AlO$_x$/Al tunnel junctions and enables microwave probes of unconventional condensates and subgap excitations. In this work, we reali...
Remote magnon-phonon entanglement in the waveguide-magnomechanics
Shi-fan Qi, Fan Li·Jan 27, 2026
Generating long-distance quantum entanglement is crucial for advancing quantum information processing. In this work, we propose a protocol for generating remote magnon-phonon entanglement in a hybrid waveguide-magnomechanical system, where multiple s...
Graphene Josephson Junctions for Engineering Motional Quanta
Zhen-Yang Peng, Mehdi Abdi·Jan 27, 2026
We propose a hybrid quantum device based on the graphene Josephson junctions, where the vibrational degrees of freedom of a graphene membrane couple to the superconducting circuits. The flexural mode-controlled tunneling of the Cooper pairs introduce...
Reinforcement Learning for Enhanced Advanced QEC Architecture Decoding
Yidong Zhou, Lingyi Kong, Yifeng Peng +1 more·Jan 27, 2026
The advent of promising quantum error correction (QEC) codes with efficient resource utilization and high-performance fault-tolerant quantum memories signifies a critical step towards realizing practical quantum computation. While surface codes have ...
Quantum computing of the nonlinear Schrödinger equation via measurement-induced potential reconstruction
Kaiwen Weng, Zhaoyuan Meng, Guohui Hu·Jan 27, 2026
The nonlinear Schrödinger equation (NLSE) is a fundamental model that describes diverse complex phenomena in nature. However, simulating the NLSE on a quantum computer is inherently challenging due to the presence of the nonlinear term. We propose a ...
Fault-tolerant quantum simulation of the Pauli-Breit Hamiltonian for ab initio hybrid quantum-classical molecular design with applications to photodynamic therapy
Emil Zak·Jan 26, 2026
Relativistic spin effects drive subtle molecular phenomena ranging from intersystem crossing in photodynamic therapy to spin-mediated catalysis and high-resolution spectroscopy. These effects are described by the Pauli-Breit Hamiltonian, which extend...
Physics-Informed Hybrid Quantum-Classical Dispatching for Large-Scale Renewable Power Systems:A Noise-Resilient Framework
Fu Zhang, Yuming Zhao·Jan 26, 2026
The integration of high-penetration renewable energy introduces significant stochasticity and non-convexity into power system dispatching, challenging the computational limits of classical optimization. While Variational Quantum Algorithms (VQAs) on ...
The Quantum Cliff: A Critical Proton Tunneling Threshold Determines Clinical Severity in RPE65-Mediated Retinal Disease
Biraja Ghoshal, William Woof, Bhargab Ghoshal +1 more·Jan 26, 2026
Predicting clinical severity from genotype remains a fundamental challenge in molecular medicine, particularly for enzymes whose function depends on sub-atomic-scale geometry. Mutations in the \textit{RPE65} isomerohydrolase cause Leber Congenital Am...
Atom-light hybrid interferometer for atomic sensing with quantum memory
Xingchang Wang, Xinyun Liang, Liang Dong +7 more·Jan 26, 2026
Quantum memories feature a reversible conversion of optical fields into long-lived atomic spin waves, and are therefore ideal for operating as sensitive atomic sensors. However, up to now, atom-light interferometers have lacked an efficient approach ...
Quantum Simulation of the Polaron-Molecule Transition on a NISQ Device
Hugo Catala, Ezequiel Valero, German Rodrigo·Jan 26, 2026
The simulation of strongly correlated fermionic systems remains one of the most significant challenges in computational physics due to the exponential growth of the Hilbert space and the fermionic sign problem. In this work, we present a digital quan...
Two-Polariton Blockade via Ultrastrong Light-Matter Coupling
Ting-Ting Ma, Jian Tang, Yun-Lan Zuo +3 more·Jan 26, 2026
We demonstrate that a two-polariton blockade (2PB) can occur under resonant single-polariton driving in an atom-cavity system operating in the ultrastrong coupling (USC) regime-a phenomenon qualitatively distinct from, and unattainable in, both the s...
Differentiable Architecture Search for Adversarially Robust Quantum Computer Vision
Mohamed Afane, Quanjiang Long, Haoting Shen +4 more·Jan 26, 2026
Current quantum neural networks suffer from extreme sensitivity to both adversarial perturbations and hardware noise, creating a significant barrier to real-world deployment. Existing robustness techniques typically sacrifice clean accuracy or requir...
Quantum Machine Learning Using Quantum Illumination With Quantum Enhanced Interference
Pallab Biswas, Tamal Maity·Jan 25, 2026
Quantum Machine Learning(QML) is developed by combining quantum mechanics principles with classical machine learning techniques in a hybrid framework that can give faster, exponential, more efficient power of quantum computing with the data driven in...
Generalized Aharonov-Bohm Effect
Shan Gao·Jan 25, 2026
The Aharonov-Bohm (AB) effect highlights the fundamental role of electromagnetic potentials in quantum mechanics, manifesting as a phase shift for a charged particle in field-free regions. While well-established for static magnetic fluxes, the effect...