Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Automatic tuning of a donor in a silicon quantum device using machine learning
Brandon Severin, Tim Botzem, Federico Fedele +12 more·Nov 6, 2025
Donor spin qubits in silicon offer one- and two-qubit gates with fidelities beyond 99%, coherence times exceeding 30 seconds, and compatibility with industrial manufacturing methods. This motivates the development of large-scale quantum processors us...
Probing quantum entanglement with Generalized Parton Distributions at the Electron-Ion Collider
Yoshitaka Hatta, Jakob Schoenleber·Nov 6, 2025
Within the collinear factorization framework based on Generalized Parton Distributions (GPDs), we calculate the spin density matrix of exclusively produced quark and antiquark pairs $u\bar{u}$, $d\bar{d}$, $s\bar{s}$, $c\bar{c}$, $b\bar{b}$ in electr...
Hybrid Single-Ion Atomic-Ensemble Node for High-Rate Remote Entanglement Generation
Benedikt Tissot, Soubhadra Maiti, Emil R. Hellebek +1 more·Nov 6, 2025
Different quantum systems possess different favorable qualities. On the one hand, ensemble-based quantum memories are suited for fast multiplexed long-range entanglement generation. On the other hand, single-atomic systems provide access to gates for...
Robust certification of non-projective measurements: theory and experiment
Raphael Brinster, Peter Tirler, Shishir Khandelwal +7 more·Nov 6, 2025
Determining the conditions under which positive operator-valued measures (POVMs), the most general class of quantum measurements, outperform projective measurements remains a challenging and largely unresolved problem. Of particular interest are proj...
Limiting one-way distillable secret key via privacy testing of extendible states
Vishal Singh, Karol Horodecki, Aby Philip +1 more·Nov 6, 2025
The notions of privacy tests and $k$-extendible states have both been instrumental in quantum information theory, particularly in understanding the limits of secure communication. In this paper, we determine the maximum probability with which an arbi...
Estimating ground-state properties in quantum simulators with global control
Cristian Tabares, Dominik S. Wild, J. Ignacio Cirac +3 more·Nov 6, 2025
Accurately determining ground-state properties of quantum many-body systems remains one of the major challenges of quantum simulation. In this work, we present a protocol for estimating the ground-state energy using only global time evolution under a...
Symmetry-enriched topological order and quasi-fractonic behavior in $\mathbb{Z}_N$ stabilizer codes
Siyu He, Hao Song·Nov 6, 2025
We study a broad class of qudit stabilizer codes, termed $\mathbb{Z}_N$ bivariate-bicycle (BB) codes, arising either as two-dimensional realizations of modulated gauge theories or as $\mathbb{Z}_N$ generalizations of binary BB codes. Our central find...
Quantum doubles in symmetric blockade structures
Hans Peter Büchler, Tobias F. Maier, Simon Fell +1 more·Nov 6, 2025
Exactly solvable models of topologically ordered phases with non-abelian anyons typically require complicated many-body interactions which do not naturally appear in nature. This motivates the "inverse problem" of quantum many-body physics: given mic...
Robustness of quantum data hiding against entangled catalysts and memory
Aby Philip, Alexander Streltsov·Nov 6, 2025
Quantum data hiding stores classical information in bipartite quantum states that are, in principle, perfectly distinguishable, yet remain almost indistinguishable without access to a quantum communication channel. Here, we investigate whether this l...
Mixed-State Measurement-Induced Phase Transitions in Imaginary-Time Dynamics
Yi-Ming Ding, Zenan Liu, Xu Tian +3 more·Nov 6, 2025
Mixed-state phase transitions have recently attracted growing attention as a new frontier in nonequilibrium quantum matter and quantum information. In this work, we introduce the measurement-dressed imaginary-time evolution (MDITE) as a novel framewo...
Tight Analysis of a One-Shot Quantum Secret Sharing Scheme
Santanu Majhi, Debajyoti Bera·Nov 6, 2025
Quantum communication protocols can be designed to detect eavesdropping attacks, something that classical technologies are unable to do since classical information can be replicated in a non-destructive manner. Eavesdropping detection is, therefore, ...
Microwave Output Stabilization of a Qubit Controller via Device-Level Temperature Control
Yoshinori Kurimoto, Dongjun Lee, Koichiro Ban +8 more·Nov 6, 2025
We present the design and performance of QuEL-1 SE, which is a multichannel qubit controller developed for superconducting qubits. The system incorporates the active thermal stabilization of critical analog integrated circuits, such as phase-locked l...
Minimum measurements quantum protocol for band structure calculation
Michal Krejčí, Lucie Krejčí, Ijaz Ahamed Mohammad +2 more·Nov 6, 2025
Protocols for quantum measurement are an essential part of quantum computing. Measurements are no longer confined to the final step of computation but are increasingly embedded within quantum circuits as integral components of noise-resilient algorit...
Non-relativistic Quantum Mechanics on a Twisted Cylindrical Surface
G. M. Delgado, J. E. G. Silva·Nov 6, 2025
Twisted cylindrical tubes are important model systems for nanostructures, heterostructures, and curved quantum devices. In this work, we investigate the quantum behavior of an electron confined to a twisted cylindrical surface. By first calculating t...
Normalized tensor train decomposition
Renfeng Peng, Chengkai Zhu, Bin Gao +2 more·Nov 6, 2025
Tensors with unit Frobenius norm are fundamental objects in many fields, including scientific computing and quantum physics, which are able to represent normalized eigenvectors and pure quantum states. While the tensor train decomposition provides a ...
Emergent Dynamical Translational Symmetry Breaking as an Order Principle for Localization and Topological Transitions
Yucheng Wang·Nov 6, 2025
Localization transitions represent a fundamental class of continuous phase transitions, yet they occur without any accompanying symmetry breaking. We resolve this by introducing the concept of dynamical translational symmetry (DTS), which is defined ...
Neutral-atom quantum computation using multi-qubit geometric gates via adiabatic passage
Sinchan Snigdha Rej, Bimalendu Deb·Nov 6, 2025
Adiabatic geometric phase gates offer enhanced robustness against fluctuations compared to con- ventional Rydberg blockade-based phase gates that rely on dynamical phase accumulation. We theoretically demonstrate two- and multi-qubit phase gates in a...
Gauge invariance from quantum information principles
Claudia Núñez, Miguel Pardina, Manuel Asorey +2 more·Nov 6, 2025
Entanglement is a hallmark of quantum theory, yet it alone does not capture the full extent of quantum complexity: some highly entangled states can still be classically simulated. Non-classical behavior also requires magic, the non-Clifford component...
A General Strategy for Realizing Mpemba Effects in Open Quantum Systems
Yaru Liu, Yucheng Wang·Nov 6, 2025
The Mpemba effect, where a state farther from equilibrium relaxes faster than one closer to it, is a striking phenomenon in both classical and quantum systems. In open quantum systems, however, the quantum Mpemba effect (QME) typically occurs only fo...
Synchronization effects in a periodically driven two-level system
Federico Settimo, Bassano Vacchini·Nov 6, 2025
We study phase-synchronization in a driven two-level system coupled to a non-Markovian bosonic reservoir. The dynamics is described by treating the system-bath coupling and the coherent drive without invoking the rotating-wave approximation, and simu...