Papers
Live trends in quantum computing research, updated daily from arXiv.
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Hardware platform mentions in abstracts — Photonic leads
Toward Krylov-based holography in double-scaled SYK
Yichao Fu, Hyun-Sik Jeong, Keun-Young Kim +1 more·Oct 26, 2025
Building on the duality between Krylov complexity and geodesic length in Jackiw-Teitelboim and sine-dilaton gravity, we develop a precise holographic dictionary for quantities in the Krylov subspace of the double-scaled Sachdev-Ye-Kitaev model (DSSYK...
Quantum Information Meets High-Energy Physics: Probing Neutrinos and Beyond
Raoul Serao, Gianpaolo Torre, Antonio Capolupo·Oct 26, 2025
This review explores the interplay between quantum information theory and high-energy physics, emphasizing how decoherence effects and unconventional neutrino oscillation patterns may unveil fundamental properties such as the Dirac or Majorana nature...
The Thermodynamics of the Gravity from Entropy Theory
Ginestra Bianconi·Oct 26, 2025
The Gravity from Entropy (GfE) action posits that the fundamental nature of gravity is information encoded in the metric degrees of freedom. This statistical mechanics theory is associated with the GfE Lagrangian given by the Geometric Quantum Relati...
An Analytic Theory of Quantum Imaginary Time Evolution
Min Chen, Bingzhi Zhang, Quntao Zhuang +1 more·Oct 26, 2025
Quantum imaginary time evolution (QITE) algorithm is one of the most promising variational quantum algorithms (VQAs), bridging the current era of Noisy Intermediate-Scale Quantum devices and the future of fully fault-tolerant quantum computing. Altho...
Single-photon superradiance and subradiance in helical collectives of quantum emitters
Hamza Patwa, Philip Kurian·Oct 26, 2025
Collective emission of light from distributions of two-level systems (TLSs) was first predicted in 1954 by Robert Dicke, who showed that when $N$ quantum emitters absorb photons, their collective radiative decay rate can be enhanced (superradiance) o...
Resilience of Entanglement-Induced Coordination in Adversarial Environments: The Team-Based Quantum Sabotage Game
Sinan Bugu·Oct 25, 2025
Quantumgametheoryextendsclassical strategic decision-making by incorporating quantum superposition, entanglement, and measurement-induced randomness into competitive interactions. This paper introduces a team-based Quantum Sabotage Game (QSG), in whi...
Quantum Mechanics of Stochastic Systems
Yurang, Kuang·Oct 25, 2025
We develop a fundamental framework for the quantum mechanics of stochastic systems (QMSS), showing that classical discrete stochastic processes emerge naturally as perturbations of the quantum harmonic oscillator (QHO). By constructing exact perturba...
Tensor gravity gradiometry with a single-axis atom gradiometer
Ryan J. Thomas, Samuel Legge, John D. Close·Oct 25, 2025
We propose a method for using a single-axis atom interferometric gravity gradiometer to measure off-diagonal elements of the gravity gradient tensor. By tilting the gradiometer, the measured gradient becomes a linear combination of different componen...
From Discrete to Continuous-Variable Systems via Jordan-Schwinger Tomographic Transformation
Liubov A. Markovich, Vladimir A. Orlov, Alexey N. Rubtsov +1 more·Oct 24, 2025
Hybrid quantum systems that combine discrete-variable (DV) and continuous-variable (CV) architectures represent a promising direction in quantum information science. However, transferring concepts, information and states between such fundamentally di...
Scrambling Without Chaos in Random Free-Fermionic Systems
Ali Mollabashi, Mohammad-Javad Vasli·Oct 24, 2025
We study the role of randomness in the scrambling of quantum information within integrable free-fermionic systems. Considering quadratic Hamiltonians with varying degrees of randomness, we analyze entanglement-based measures to characterize the scram...
Runtime reduction in lattice surgery utilizing time-like soft information
Yutaro Akahoshi, Riki Toshio, Jun Fujisaki +3 more·Oct 24, 2025
Runtime optimization of the quantum computing within a given computational resource is important to achieve practical quantum advantage. In this paper, we propose a runtime reduction protocol for the lattice surgery, which utilizes the soft informati...
Certifying Randomness or its Lack Thereof for General Network Scenarios
Maria Ciudad Alañón, Daniel Centeno, Andrew Watford +1 more·Oct 23, 2025
The certification of intrinsic randomness is foundational to quantum information theory and central in many practical applications thereof, such as in the generation of unquestionably random numbers and in cryptographic protocols. Device-independent ...
Analog Quantum Feature Selection with Neutral-Atom Quantum Processors
Jose J. Orquin-Marques, Carlos Flores-Garrigos, Alejandro Gomez Cadavid +5 more·Oct 23, 2025
We present a quantum-native approach to quantum feature selection (QFS) based on analog quantum simulation with neutral atom arrays, adaptable to a variety of academic and industrial applications. In our method, feature relevance-measured via mutual ...
Trapping, manipulating and probing ultracold atoms: a quantum technologies tutorial
Louise Wolswijk, Luca Cavicchioli, Giuseppe Vinelli +12 more·Oct 23, 2025
Engineered ultracold atomic systems are a valuable platform for fundamental quantum mechanics studies and the development of quantum technologies. At near zero absolute temperature, atoms exhibit macroscopic phase coherence and collective quantum beh...
Phenomenological Noise Models and Optimal Thresholds of the 3D Toric Code
Ji-Ze Xu, Yin Zhong, Miguel A. Martin-Delgado +2 more·Oct 23, 2025
Three-dimensional (3D) topological codes offer the advantage of supporting fault-tolerant implementations of non-Clifford gates, yet their performance against realistic noise remains largely unexplored. In this work, we focus on the paradigmatic 3D t...
Mitigating Coherent Errors through a Decoherence-Resistant Variational Framework employing Stabilizer State
Giovanni Di Bartolomeo, Giulio Crognaletti, Angelo Bassi +1 more·Oct 23, 2025
Stabilizer states are a central resource in quantum information processing, underpinning a wide range of applications. While they can be efficiently generated via Clifford circuits, the presence of coherent errors, such as small-angle miscalibrations...
Multiplexed ion-ion entanglement over $1.2$ kilometer fibers
Z. B. Cui, Z. Q. Wang, P. Y. Liu +14 more·Oct 23, 2025
Quantum networks and quantum repeaters represent the promising avenues for building large-scale quantum information systems, serving as foundational infrastructure for distributed quantum computing, long-distance quantum communication, and networked ...
Non-Markovianity in Quantum Information Processing: Interplay with Quantum Error Mitigation
Suguru Endo, Hideaki Hakoshima, Tomohiro Shitara·Oct 23, 2025
Non-Markovian dynamics are typically present in the dynamics of open quantum systems. Despite the rich structure of non-Markovian dynamics, their relevance to quantum information processing (QIP) has been rarely discussed. In this work, we demonstrat...
Reduced State Embedding for Error Correction in Quantum Cryptography
Amit Kam, Kfir Sulimany, Shai Tsesses +1 more·Oct 22, 2025
Encoding in a high-dimensional Hilbert space improves noise resilience in quantum information processing. This approach, however, may result in cross-mode coupling and detection complexities, thereby reducing quantum cryptography performance. This fu...
Morphological computational capacity of Physarum polycephalum
Suyash Bajpai, Aviva Lucas-DeMott, Nirosha J Murugan +2 more·Oct 22, 2025
While computational capacity limits of the universe and carbon-based life have been estimated, a stricter bound for aneural organisms has not been established. Physarum polycephalum, a unicellular, multinucleated amoeba, is capable of complex problem...