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

12,931 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

In-plane ferromagnetism-driven topological nodal-point superconductivity with tilted Weyl cones

Maciej Bazarnik, Levente Rózsa, Ioannis Ioannidis +11 more·Jan 7, 2026

The potential application of topological superconductivity in quantum transport and quantum information has fueled an intense investigation of hybrid materials with emergent electronic properties, including magnet-superconductor heterostructures. Her...

cond-mat.supr-conQuantum Physics

Quantum vs. Classical Machine Learning: A Benchmark Study for Financial Prediction

Rehan Ahmad, Muhammad Kashif, Nouhaila Innan +1 more·Jan 7, 2026

In this paper, we present a reproducible benchmarking framework that systematically compares QML models with architecture-matched classical counterparts across three financial tasks: (i) directional return prediction on U.S. and Turkish equities, (ii...

cs.LGQuantum Physics

Hybrid non-degenerate parametric amplifier for a microwave cavity mode and an NV ensemble

Roman Ovsiannikov, Kurt Jacobs, Andrii G. Sotnikov +2 more·Jan 6, 2026

We introduce an implementation of a non-degenerate parametric amplifier in which the signal and idler modes, respectively, a microwave mode and an ensemble of spins (e.g., nitrogen-vacancy centers in diamond), are operated in their linear regime. Thi...

Quantum Physics

Restoring Bloch's Theorem for Cavity Exciton Polaron-Polaritons

Michael A. D. Taylor, Yu Zhang·Jan 6, 2026

We introduce a symmetry-informed representation for hybrid photon--exciton--phonon quantum electrodynamics Hamiltonians to restore Bloch's theorem. The interchange of momenta between fermions and bosons breaks crystalline excitons' translational symm...

Quantum Physicscond-mat.otherphysics.optics

Collective light-matter interaction in plasmonic waveguide quantum electrodynamics

Zahra Jalali-Mola, Saeid Asgarnezhad-Zorgabad·Jan 6, 2026

Rabi oscillations characterize light-matter hybridization in the waveguide quantum electrodynamics~(WQED) framework, with their associated decay rates reflecting excitation damping, yet their behavior remains unresolved when collective emitters are c...

physics.opticsQuantum Physics

Entanglement signatures of quantum criticality in Floquet non-Hermitian topological systems

Siyuan Cheng, Rui Xie, Xiaosen Yang +2 more·Jan 6, 2026

The entanglement entropy can be an effective diagnostic tool for probing topological phase transitions. In one-dimensional single particle systems, the periodic driving generates a variety of topological phases and edge modes. In this work, we invest...

Quantum PhysicsMesoscale Physics

Quantum-enhanced long short-term memory with attention for spatial permeability prediction in oilfield reservoirs

Muzhen Zhang, Yujie Cheng, Zhanxiang Lei·Jan 6, 2026

Spatial prediction of reservoir parameters, especially permeability, is crucial for oil and gas exploration and development. However, the wide range and high variability of permeability prevent existing methods from providing reliable predictions. Fo...

AIQuantum Physics

Mechanisms and Opportunities for Tunable High-Purity Single Photon Emitters: A Review of Hybrid Perovskites and Prospects for Bright Squeezed Vacuum

Galy Yang, Eric Ashallay, Zhiming Wang +2 more·Jan 5, 2026

Single-photon emitters (SPEs) are central to quantum communication, computing, and metrology, yet their development remains constrained by trade-offs in purity, indistinguishability, and tunability. This review presents a mechanism-based classificati...

physics.opticsQuantum Physics

Quantum AI for Cybersecurity: A hybrid Quantum-Classical models for attack path analysis

Jessica A. Sciammarelli, Waqas Ahmed·Jan 5, 2026

Modern cyberattacks are increasingly complex, posing significant challenges to classical machine learning methods, particularly when labeled data is limited and feature interactions are highly non-linear. In this study we investigates the potential o...

CryptographyQuantum Physics

PauliEngine: High-Performant Symbolic Arithmetic for Quantum Operations

Leon Müller, Adelina Bärligea, Alexander Knapp +1 more·Jan 5, 2026

Quantum computation is inherently hybrid, and fast classical manipulation of qubit operators is necessary to ensure scalability in quantum software. We introduce PauliEngine, a high-performance C++ framework that provides efficient primitives for Pau...

Quantum PhysicsEmerging Techcs.SEphysics.comp-ph

Simulating Non-Markovian Dynamics in Open Quantum Systems

Meng Xu, Vasilii Vadimov, J. T. Stockburger +1 more·Jan 5, 2026

Recent advances in quantum technologies and related experiments have created a need for highly accurate, versatile, and computationally efficient simulation techniques for the dynamics of open quantum systems. Long-lived correlation effects (non-Mark...

Quantum Physicscond-mat.stat-mech

Photon blockade effect from synergistic optical parametric amplification and driving force in Kerr-medium single-mode cavity

Zhang Zhiqiang·Jan 5, 2026

This work investigates photon blockade control in a hybrid quantum system containing a Kerr-nonlinear cavity coupled to an optical parametric amplifier (OPA). The dynamics are governed by a master equation derived from an effective Hamiltonian that i...

Quantum Physicsphysics.optics

A Survey on Applications of Quantum Computing for Unit Commitment

Milad Hasanzadeh, Ali Rajabi, Amin Kargarian·Jan 5, 2026

Unit Commitment (UC) is a core optimization problem in power system operation and electricity market scheduling. It determines the optimal on/off status and dispatch of generating units while satisfying system, operational, and market constraints. Tr...

Quantum Physicseess.SY

Diffusion Computation versus Quantum Computation: A Comparative Model for Order Finding and Factoring

C. Cadavid, Paulina Hoyos, Jay Jorgenson +2 more·Jan 5, 2026

We study a hybrid computational model for integer factorization in which the only non-classical resource is access to an \emph{iterated diffusion process} on a finite graph. Concretely, a \emph{diffusion step} is defined to be one application of a sy...

MathematicsComputer Science

Distant Entanglement Generation between Magnon and Superconducting Qubits in Magnon-Mediated Hybrid Systems

Guosen Liu, Pei Pei·Jan 4, 2026

We propose an efficient two-stage protocol for generating distant entanglement in a magnon-mediated hybrid quantum system, where magnons serve dual roles as both interaction mediators and qubits. This integrated design reduces the physical component ...

Quantum Physics

Single-Step Hybrid CV-DV Transfer of Multipartite W States Using Cat-State Qubits

Muhammad Nehal Khan, Sumrah Hussain·Jan 3, 2026

We propose a deterministic hybrid continuous-variable-discrete-variable (CV-DV) scheme for the single-step transfer of an $n$-qubit W state encoded in photonic Schr$\ddot{o}$dinger cat-state qubits within a circuit QED architecture. Logical qubits ar...

Quantum Physics

Post-Quantum Cryptography for Intelligent Transportation Systems: An Implementation-Focused Review

Abdullah Al Mamun, Akid Abrar, Mizanur Rahman +2 more·Jan 3, 2026

As quantum computing advances, the cryptographic algorithms that underpin confidentiality, integrity, and authentication in Intelligent Transportation Systems (ITS) face increasing vulnerability to quantum-enabled attacks. To address these risks, gov...

Computer Science

Assessing Quantum Annealing to Solve the Minimum Vertex Multicut

Ali Abbassi, Yann Dujardin, Eric Gourdin +2 more·Jan 2, 2026

Cybersecurity in telecommunication networks often leads to hard combinatorial optimization problems that are challenging to solve with classical methods. This work investigates the practical feasibility of using quantum annealing to address the Restr...

Quantum PhysicsEmerging Tech

Pseudo-Hermitian Magnon Dynamics

Jamal Berakdar, Xi-guang Wang·Jan 2, 2026

A defining quantity of a physical system is its energy which is represented by the Hamiltonian. In closed quantum mechanical or/and coherent wave-based systems the Hamiltonian is introduced as a Hermitian operator which ensures real energy spectrum a...

Mesoscale Physicscond-mat.mtrl-sciphysics.opticsQuantum Physics

Quantum Simulation of Protein Fragment Electronic Structure Using Moment-based Adaptive Variational Quantum Algorithms

Biraja Ghoshal·Jan 2, 2026

Background: Understanding electronic interactions in protein active sites is fundamental to drug discovery and enzyme engineering, but remains computationally challenging due to exponential scaling of quantum mechanical calculations. Results: We pres...

q-bio.QMEmerging Tech
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