Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Vectorizing Quantum Control: A RISC-V Vector Extension Architecture for Scalable Qubit Systems
Xiaorang Guo, Kun Qin, Yanbin Chen +2 more·Jul 8, 2026
The Quantum Control Processor (QCP) bridges the gap between compiler toolchains and control electronics, and is responsible for translating compiled quantum circuits into executable instructions that directly manipulate qubits and handle measurement ...
Horizon-Restricted Leading Soft QED as Open Quantum System
Soo-Jong Rey·Jul 8, 2026
I formulate black-hole-horizon-induced decoherence of charged branch codes as the leading-soft QED restricted to an exterior algebra, formulated as an open quantum system. The fixed-history Feynman--Vernon identity ${\cal F}[J,J]=1$ remains exact. De...
Quantum simulation of real-world nonlinear dynamics via Koopman method
Baoyang Zhang, Dong An, Zhaoyuan Meng +4 more·Jul 8, 2026
Nonlinear dynamics is ubiquitous in nature, ranging from chemical pattern formation to ocean circulation, yet its simulation on quantum computers is fundamentally limited by the unitary nature of quantum evolution. We propose the quantum Koopman meth...
Resource-Efficient Hybrid Quantum Neighborhood Selection for Large-Scale Molecular Diversity Optimization
Nicolas Mendes de Araujo, Lester de Abreu Faria·Jul 8, 2026
Large-scale combinatorial optimization remains demanding for classical heuristics, particularly when dense Quadratic Unconstrained Binary Optimization (QUBO) formulations induce large memory footprints, high CPU utilization, and long execution times....
Lecture notes on classical and quantum non-Markovianity
Graeme Pleasance·Jul 8, 2026
The study of non-Markovian quantum processes has attracted significant interest in recent decades, giving rise to several competing notions of quantum non-Markovianity. These notes serve as an introduction to the topic for graduate students familiar ...
-8 dB SNR + 90% Packet Loss: MamVSC -- CSI-Guided Semantic Mamba for Extreme-Robust Video Semantic Communication
Lei Teng, Senran Fan, Chen Dong +3 more·Jul 8, 2026
Semantic communication, leveraging joint source-channel coding, is designed to mitigate semantic distortion introduced by the channel. However, most current studies focus solely on semantic deviation distortion caused by physical wireless channels, w...
Quantum Boomerang Effect in Time-Crystalline Structures
Qi-wen Peng, Krzysztof Sacha, Chu-hui Fan·Jul 8, 2026
The quantum boomerang effect (QBE) is a unique dynamical signature of Anderson localization, characterized by a launched wavepacket that initially drifts but ultimately returns to its initial position due to fundamental quantum interference. In this ...
Non-Abelian Thouless pumping based on the global adiabatic criterion in Rydberg synthetic lattices
Jin-Kang Guo, Jin-Lei Wu, Chuan-Cun Shu·Jul 8, 2026
We study a quantum implementation of non-Abelian Thouless pumping in Lieb lattices using Rydberg synthetic dimensions. The lattice is encoded in twelve selected microwave-coupled Rydberg levels, forming a three-cell structure with six degenerate zero...
Quantum Computing : A New Frontier for Science and Society
Giuseppe Di Molfetta·Jul 8, 2026
This short report explores the (non exhaustive) current state of quantum technologies, their potential applications, and the challenges that must be addressed to harness their full potential. In particular we will focus on the quantum computer archit...
Analytical Landscape of Maximal Magic for Two-Qutrit States and Beyond
Marco Knipfer, Alexander Roman, Katia Matcheva +1 more·Jul 8, 2026
Achieving a genuine quantum advantage relies on two distinct non-classical resources that restrict efficient classical simulation: entanglement and magic (nonstabilizerness). We investigate the interplay between these resources by characterizing the ...
Macroscopic position-position entanglement by photon recoil in Rydberg atoms
Xiao-Feng Shi·Jul 8, 2026
Entanglement between two spatially separate matter particles can be generated via many means and often resides in the internal states of particles. Here, via Rydberg blockade in two spatially separate neutral atoms, we find that the photon recoil in ...
Dynamical structure factor with a pumping approach on a trapped-ion quantum computer
Etienne Granet, Keisuke Murota, Henrik Dreyer +3 more·Jul 8, 2026
Dynamical structure factors (DSF) measured with neutron-scattering experiments provide key insights into the structure of materials. Their computation requires both the preparation of an equilibrium state and the implementation of Hamiltonian dynamic...
Density effects in precision laser spectroscopy of exotic helium atoms
Hubert J. Jóźwiak, Dimitar Bakalov, Michał Przybytek +2 more·Jul 8, 2026
Exotic helium atoms act as unique atomic traps for heavy, negatively charged particles, protecting them from nuclear annihilation and nuclear capture on timescales long enough to enable high-precision laser spectroscopy. Such measurements serve as st...
Room-temperature inversionless diamond nitrogen-vacancy electronic spin maser
Ali Fawaz, Sarath Raman Nair·Jul 8, 2026
We propose a method to create a room-temperature maser operating at approximately 2.9~GHz frequency using an ensemble of negatively charged nitrogen-vacancy electronic spins (NV) in diamond, without requiring population inversion. Our method consider...
Phase-Selected Efficient Single-Photon Frequency Conversion via Local Fano Resonance in a Two-Giant-Atom Waveguide-QED System
Qing-Ao Xiang, Yan Liu, Xin-Yuan Yang +1 more·Jul 8, 2026
Efficient single-photon frequency conversion is investigated in a two-giant-atom waveguide-QED system, where a two-level giant atom and a $Λ$-type three-level giant atom couple to a common one-dimensional waveguide. While the $Λ$-type atom provides t...
Spectral Chaos Does Not Determine Quantum Mpemba Crossings
Ri-Hua Zheng, Yang Xiao, Yu Wang +2 more·Jul 8, 2026
In a symmetry-restoration quantum Mpemba effect, an initial state with stronger local symmetry breaking can lose that memory faster than a state that starts closer to the symmetric manifold. We test whether this local ordering reversal is organized b...
Deanonymizing Monero Transactions in Tor Network
Ruisheng Shi, Shihan Zhang, Yulian Ge +3 more·Jul 8, 2026
Monero is a privacy-focused cryptocurrency that deploys the Dandelion++ protocol and incorporates anonymity networks (such as Tor and I2P) to prevent malicious attackers from linking transactions with their source IPs. In this paper, we demonstrate t...
Quantum Recurrence Plot Algorithm Based on Quantum Principal Component Analysis
Hanhuai Zhu, Jingjing Huang, Zhi-Xi Wang +1 more·Jul 8, 2026
Recurrence Plot (RP) is a method employed to analyze the periodicity, chaoticity, and nonlinear characteristics of complex systems. Quantum Principal Component Analysis (QPCA), on the other hand, achieves dimensionality reduction of sample data using...
Progressive Crystallization: Turning Agent Exploration into Deterministic, Lower-Cost Workflows in Production
Arun Malik·Jul 8, 2026
AI agents deployed for IT operations are typically permanent cost centers because every execution requires full LLM inference, even for previously solved problems. This paper introduces progressive crystallization, a lifecycle that treats agent explo...
Absolute frequency measurement of the $^{176}$Lu$^+\,(^{3}\mathrm{D}_1)$ standard against the NRC-FCs2 fountain with $2.6\times10^{-16}$ uncertainty
K. J. Arnold, Bin Jian, Zhao Zhang +6 more·Jul 8, 2026
We report an improved absolute frequency measurement of the $^{176}$Lu$^+\,(^{3}\mathrm{D}_1)$ optical frequency standard, evaluated via a remote link to the NRC-FCs2 caesium fountain primary frequency standard. Operating a single ion clock with 94.2...