Quantum Brain

Papers

Live trends in quantum computing research, updated daily from arXiv.

Total Papers

27,548

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1,041

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Research Volume

12,932 papers in 12 months (-5% vs prior quarter)

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Papers by research theme (12 months). Hover for details.

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

2,459 papers found

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...

Quantum Physics

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...

Quantum Physicscond-mat.mtrl-sci

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...

Quantum PhysicsMesoscale Physicscond-mat.mtrl-sci

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...

cond-mat.str-elcond-mat.mtrl-sciQuantum Physics

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...

Quantum Physicscond-mat.dis-nn

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...

Quantum Physics

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...

Quantum Physicscond-mat.supr-con

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...

Quantum Physics

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...

Quantum Physics

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 Physics

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 ...

Quantum Physics

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...

Quantum Physicsphysics.chem-ph

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 ...

Quantum Physics

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...

Emerging Techq-bio.BM

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 PhysicsAtomic Physicsphysics.optics

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...

Quantum Physics

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...

Quantum Physics

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 Physicscs.CV

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...

Quantum Physics

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...

Quantum Physics
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