Quantum Brain

Papers

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

Total Papers

27,749

This Month

1,196

Today

0

Research Volume

13,033 papers in 12 months (-2% vs prior quarter)

Research Focus Areas

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

6,154 papers found

Decoherence-Aware Entangling and Swapping Strategy Optimization for Entanglement Routing in Quantum Networks

Shao-Min Huang, Cheng-Yang Cheng, Ming-Huang Chien +2 more·Oct 16, 2025

Quantum teleportation enables high-security communications through end-to-end quantum entangled pairs. End-to-end entangled pairs are created by using swapping processes to consume short entangled pairs and generate long pairs. However, due to enviro...

Quantum Physicscs.NI

Quantum remeshing and efficient encoding for fracture mechanics

Ulysse Remond, Pierre-Emmanuel Emeriau, Liam Lysaght +3 more·Oct 16, 2025

We present a variational quantum algorithm for structural mechanical problems, specifically addressing crack opening simulations that traditionally require extensive computational resources. Our approach provides an alternative solution for a relevan...

Quantum Physics

Phenomenological Ehrenfest Dynamics with Topological and Geometric Phase Effects and the curious case of Elliptical intersection

Dhruv Sharma·Oct 16, 2025

We present a comprehensive computational framework for simulating nonadiabatic molecular dynamics with explicit inclusion of geometric phase (GP) effects. Our approach is based on a generalized two-level Hamiltonian model that can represent various e...

Mesoscale Physicsphysics.chem-phphysics.comp-phQuantum Physics

Systolic Array Acceleration of Diagonal-Optimized Sparse-Sparse Matrix Multiplication for Efficient Quantum Simulation

Yuchao Su, Srikar Chundury, Jiajia Li +1 more·Oct 16, 2025

Hamiltonian simulation is a key workload in quantum computing, enabling the study of complex quantum systems and serving as a critical tool for classical verification of quantum devices. However, it is computationally challenging because the Hilbert ...

Computer Science

Q-EnergyDEX: A Zero-Trust Distributed Energy Trading Framework Driven by Quantum Key Distribution and Blockchain

Ziqing Zhu·Oct 16, 2025

The rapid decentralization and digitalization of local electricity markets have introduced new cyber-physical vulnerabilities, including key leakage, data tampering, and identity spoofing. Existing blockchain-based solutions provide transparency and ...

EngineeringComputer Science

Collaborative penetration testing suite for emerging generative AI algorithms

P. Radanliev·Oct 16, 2025

Generative artificial intelligence systems remain vulnerable to sophisticated cyber threats and the emerging challenges posed by quantum computing. This study proposes and evaluates a new penetration testing suite to address quantum security concerns...

Computer ScienceMedicine

Quantum State Designs via Magic Teleportation

Hugo Lóio, Guglielmo Lami, Lorenzo Leone +3 more·Oct 15, 2025

We investigate how non-stabilizer resources enable the emergence of quantum state designs within the projected ensemble. Starting from initial states with finite magic and applying resource-free Clifford circuits to scramble them, we analyze the ense...

Quantum Physicscond-mat.stat-mech

Are Randomized Quantum Linear Systems Solvers Practical?

Siddharth Hariprakash, Roel Van Beeumen, Katherine Klymko +1 more·Oct 15, 2025

Randomized quantum algorithms have been proposed in the context of quantum simulation and quantum linear algebra with the goal of constructing shallower circuits than methods based on block encodings. While the algorithmic complexities of such random...

Quantum Physics

Robust Superradiance and Spontaneous Spin Ordering in Disordered Waveguide Quantum Electrodynamics

Xin H. H. Zhang, Daniel Malz, Peter Rabl·Oct 15, 2025

We study the collective emission of a disordered array of $N$ excited two-level atoms into a one-dimensional photonic waveguide. In the perfectly ordered case, where atoms are spaced by exact integer multiples of the wavelength, the system exhibits t...

Quantum PhysicsAtomic Physicsphysics.optics

Inverse designed Hamiltonians for perfect state transfer and remote entanglement generation, and applications in superconducting qubits

Tian-Le Wang, Ze-An Zhao, Peng Wang +9 more·Oct 15, 2025

Hamiltonian inverse engineering enables the design of protocols for specific quantum evolutions or target state preparation. Perfect state transfer (PST) and remote entanglement generation are notable examples, as they serve as key primitives in quan...

Quantum Physics

Noise-stabilized discrete time crystals on digital quantum processors

Kazuya Shinjo, Kazuhiro Seki, Seiji Yunoki·Oct 15, 2025

Floquet many-body phases such as discrete time crystals (DTCs) are typically fragile to imperfections, and stabilizing them on noisy quantum hardware remains a central challenge in nonequilibrium quantum physics. Here, we use IBM Eagle and Heron supe...

Quantum Physicscond-mat.stat-mechcond-mat.str-el

Non-Clifford Fusion: T-Gate Optimization for Quantum Simulation

Yingheng Li, Xulong Tang, Paul Hovland +1 more·Oct 15, 2025

Hamiltonian simulation is a key quantum algorithm for modeling complex systems. To implement a Hamiltonian simulation, it is typically decomposed into a list of Pauli strings, each corresponds to an RZ rotation gate with many Clifford gates. These RZ...

Quantum Physics

Quasi-adiabatic thermal ensemble preparation in the thermodynamic limit

Tatsuhiko Shirai·Oct 15, 2025

We investigate a quasi-adiabatic thermal process for preparing finite-temperature ensembles in the thermodynamic limit. The process gradually transforms a thermal ensemble of a noninteracting system into that of an interacting system of interest over...

cond-mat.stat-mechQuantum Physics

Lattice surgery with Bell measurements: Modular fault-tolerant quantum computation at low entanglement cost

Trond Hjerpekjøn Haug, Timo Hillmann, Anton Frisk Kockum +1 more·Oct 15, 2025

Modular architectures are a promising approach to scaling quantum computers to fault tolerance. Small, low-noise quantum processors connected through relatively noisy quantum links are capable of fault-tolerant operation as long as the noise can be c...

Quantum Physics

Hybrid light-matter boundaries of graphene in a chiral cavity

Volker Karle, Oriana K. Diessel, Vasil Rokaj +1 more·Oct 15, 2025

Recent advances in chiral cavities that can couple coherently to two-dimensional materials have opened a powerful route to reshape electronic topology without an external drive. Here we establish the bulk-boundary correspondence for graphene embedded...

Mesoscale Physicscond-mat.mtrl-sciQuantum Physics

Altruistic Ride Sharing: A Framework for Fair and Sustainable Urban Mobility via Peer-to-Peer Incentives

Divyanshu Singh, Ashman Mehra, Kavya Makwana +2 more·Oct 15, 2025

Urban mobility systems face persistent challenges of congestion, underutilized vehicles, and rising emissions driven by private point-to-point commuting. Although ride-sharing platforms exist, their profit-driven incentive structures often fail to al...

cs.MAEmerging Techcs.LG

Simulation-Free Fidelity Estimation via Quantum Output Order Statistics

Tobias Micklitz·Oct 14, 2025

We introduce a simulation-free method to estimate the fidelity of large quantum circuits based on the order statistics of measured output probabilities from highly entangled, chaotic states. The approach requires only the highest-probability output b...

Quantum Physicscond-mat.dis-nn

Quantum Generative Modeling of Single-Cell transcriptomes: Capturing Gene-Gene and Cell-Cell Interactions

Selim Romero, Vignesh S. Kumar, Robert S. Chapkin +1 more·Oct 14, 2025

Single-cell RNA sequencing (scRNA-seq) data simulation is limited by classical methods that rely on linear correlations, failing to capture the intrinsic, nonlinear dependencies. No existing simulator jointly models gene-gene and cell-cell interactio...

q-bio.QMEmerging Techphysics.bio-phq-bio.GN

Variational Quantum Eigensolver Models of Molecular Quantum Dot Cellular Automata

Nischal Binod Gautam, Enrique P. Blair·Oct 14, 2025

Molecular quantum-dot Cellular Automata (QCA) may provide low-power, high-speed computational hardware for processing classical information. Simulation and modeling play an important role in the design of QCA circuits because fully-coherent models of...

Quantum Physicseess.SY

Quantum Network-Based Prediction of Cancer Driver Genes

Patricia Marques, Andreas Wichert, Duarte Magano +1 more·Oct 14, 2025

Identification of cancer driver genes is fundamental for the development of targeted therapeutic interventions. The integration of mutational profiles with protein-protein interaction (PPI) networks offers a promising avenue for their detection [ 1, ...

Quantum Physics
Quantum Intelligence

Ask about quantum research, companies, or market developments.