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

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28,188 papers found

Nonlinear Landau levels in the almost-bosonic anyon gas

Alireza Ataei, Ask Ellingsen, Filippa Getzner +3 more·Oct 16, 2025

We consider the quantitative description of a many-particle gas of interacting abelian anyons in the plane, confined in a trapping potential. If the anyons are modeled as bosons with a magnetic flux attachment, and if the total magnetic flux is small...

cond-mat.quant-gasMathematical PhysicsQuantum Physics

Single-shot antidistinguishability of unitary operations

Satyaki Manna, Anandamay Das Bhowmik·Oct 16, 2025

The notion of antidistinguishability captures the possibility of ruling out certain alternatives in a quantum experiment without identifying the actual outcome. Although extensively studied for quantum states, the antidistinguishability of quantum ch...

Quantum Physics

Quantum Reinforcement Learning: Recent Advances and Future Directions

Jawaher Kaldari, Shehbaz Tariq, Saif Al-Kuwari +3 more·Oct 16, 2025

As quantum machine learning continues to evolve, reinforcement learning stands out as a particularly promising yet underexplored frontier. In this survey, we investigate the recent advances in QRL to assess its potential in various applications. Whil...

Quantum Physics

Interplay of ferromagnetism, nematicity and Fermi surface nesting in kagome flat band

Yuman He, Wentao Jiang, Siqi Wu +4 more·Oct 16, 2025

Recent experiment on Fe-doped CoSn has uncovered a series of correlated phases upon hole doping of the kagome flat bands. Among the phases observed, a nematic phase with a six- to two-fold rotation symmetry breaking is found to prevail over a wide do...

cond-mat.str-elQuantum Physics

Polaritons confined in dielectric structures

Amir Rahmani, Dogyun Ko, Maciej Dems +2 more·Oct 16, 2025

Light-matter interaction in the regime of strong quantum coupling is usually treated within the framework of the Hopfield model. However, the picture of coupling well-defined modes of light and matter is correct only as long as the shapes of these ei...

Quantum Physicsphysics.optics

Transferable Equivariant Quantum Circuits for TSP: Generalization Bounds and Empirical Validation

Monit Sharma, Hoong Chuin Lau·Oct 16, 2025

In this work, we address the challenge of generalization in quantum reinforcement learning (QRL) for combinatorial optimization, focusing on the Traveling Salesman Problem (TSP). Training quantum policies on large TSP instances is often infeasible, s...

Quantum Physics

Enhanced Secondary Electron Detection of Single Ion Implants in Silicon Through Thin SiO2 Layers

Ella B Schneider, Oscar G Lloyd-Willard, Kristian Stockbridge +7 more·Oct 16, 2025

Deterministic placement of single dopants is essential for scalable quantum devices based on group-V donors in silicon. We demonstrate a non-destructive, high-efficiency method for detecting individual ion implantation events using secondary electron...

cond-mat.mtrl-sciQuantum Physics

Offline Dedicated Quantum Attacks on Block Ciphers Constructions Based on Two Parallel Permutation-Based Pseudorandom Functions

Xiao-Fan Zhen, Zhen-Qiang Li, Jia-Cheng Fan +2 more·Oct 16, 2025

Quantum cryptanalysis is essential for evaluating the security of cryptographic systems against the threat of quantum computing. Recently, Shi {\it et al.} introduced a dedicated quantum attack on block cipher constructions based on XOR-type function...

Quantum Physics

Small-time approximate controllability of the logarithmic Schr\''dinger equation

Karine Beauchard, Rémi Carles, Eugenio Pozzoli·Oct 16, 2025

We consider Schr{ö}dinger equations with logarithmic nonlinearity and bilinear controls, posed on $\mathbb{T}^d$ or $\mathbb{R}^d$. We prove their small-time global $L^2$-approximate controllability. The proof consists in extending to this nonlinear ...

math.APMathematical Physicsmath.OCQuantum Physics

Quantifiers of Noise Reducibility Under Restricted Control

Graeme D. Berk, Kavan Modi, Simon Milz·Oct 16, 2025

The correlation structure of multitime quantum processes - succinctly described by quantum combs - is an important resource for many quantum information protocols and control tasks. Inspired by approaches for quantum states, we introduce quantifiers ...

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

Universal energy-space localization and stable quantum phases against time-dependent perturbations

Hongye Yu, Tzu-Chieh Wei·Oct 15, 2025

Stability against perturbation is a highly nontrivial property of quantum systems and is often a requirement to define new phases. In most systems where stability can be rigorously established, only static perturbations are considered; whether a syst...

Quantum Physicscond-mat.dis-nncond-mat.stat-mech

Bell-State Quantum Holography with Metasurfaces

Qinmiao Chen, Guangzhou Geng, Hong Liang +5 more·Oct 15, 2025

Metasurfaces composed of subwavelength nanostructures enable simultaneous control of polarization and wavefront, greatly enhancing holographic information capacity. Building on this capability, we extend holography into the quantum domain by experime...

physics.opticsQuantum Physics

Symmetry-protected states of interacting qubits in superconducting quantum circuits

Yi Shi, Eran Ginossar, Michael Stern +1 more·Oct 15, 2025

Superconducting circuits are one of the leading candidates for storing and manipulating quantum information. Among them, qubits embedded with intrinsic noise protection have seen rapid advancements in recent years. This noise protection is typically ...

Quantum Physics

Quantum machine learning and quantum-inspired methods applied to computational fluid dynamics: a short review

Cesar A. Amaral, Vinícius L. Oliveira, Juan P. L. C. Salazar +1 more·Oct 15, 2025

Computational Fluid Dynamics (CFD) is central to science and engineering, but faces severe scalability challenges, especially in high-dimensional, multiscale, and turbulent regimes. Traditional numerical methods often become prohibitively expensive u...

Quantum Physics

Quantum Classical Correspondence Using Coherent State Measurements and Husimi Q Probability Distributions

Youheng Zheng·Oct 15, 2025

We propose and simulate a protocol to evolve a quantum particle forward in time such that its trajectory closely matches that of the particle's Newtonian counterpart. Using short bursts of Schrödinger time-evolution interleaved with positive operator...

Quantum Physics

Quantum Low-Density Parity-Check Codes

Bane Vasic, Valentin Savin, Michele Pacenti +2 more·Oct 15, 2025

Quantum error correction (QEC) is a cornerstone of quantum computing, enabling reliable information processing in the presence of noise. Sparse stabilizer codes -- referred to generally as quantum low-density parity-check (QLDPC) codes -- have risen ...

Quantum Physicscs.IT
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