Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Shallow instantaneous quantum polynomial-time circuits for generative modeling on noisy intermediate-scale quantum hardware
Oriol Balló-Gimbernat, Marcos Arroyo-Sánchez, Paula García-Molina +2 more·Nov 7, 2025
Generative modeling is one of the most promising applications of quantum machine learning, yet training and deploying Quantum Generative Models (QGMs) on near-term hardware remains effectively intractable due to prohibitive gradient estimation and im...
Adaptive Entanglement-Aware Routing for Satellite Quantum Networks under Orbital and Atmospheric Variability
Dhrumil Bhatt, Vidushi Kumar·Nov 7, 2025
The expansion of satellite-based quantum networks requires adaptive routing mechanisms that can sustain entanglement under dynamic orbital and atmospheric conditions. Conventional schemes, often tailored to static or idealised topologies, fail to cap...
CUNQA: a Distributed Quantum Computing emulator for HPC
Jorge Vázquez-Pérez, Daniel Expósito-Patiño, Marta Losada +3 more·Nov 7, 2025
The challenge of scaling quantum computers to gain computational power is expected to lead to architectures with multiple connected quantum processing units (QPUs), commonly referred to as Distributed Quantum Computing (DQC). In parallel, there is a ...
Coherent control of quantum states by quadratically chirped short laser pulses
G. P. Djotyan, A. A. Avetisyan, A. P. Djotyan·Nov 7, 2025
We present a novel scheme for coherent manipulation of populations and robust creation of arbitrary coherent superposition of metastable states of a quantum system with lambda configuration of operating energy levels using laser pulses with a quadrat...
Compact localized fermions and Ising anyons in a chiral spin liquid
Tim Bauer, Johannes Reuther·Nov 7, 2025
Quasiparticle hybridization remains a major challenge to realizing and controlling exotic states of matter in existing quantum simulation platforms. We report the absence of hybridization for compact localized states (CLS) emerging in the chiral spin...
Analysis of Frequency Collisions in Parametrically Modulated Superconducting Circuits
Zhuang Ma, Peng Zhao, Xinsheng Tan +1 more·Nov 7, 2025
Superconducting circuits are a leading platform for scalable quantum computing, where parametric modulation is a widely used technique for implementing high-fidelity multi-qubit operations. A critical challenge, however, is that this modulation can i...
Continuous-variable Measurement Device Independent MIMO Quantum Key Distribution for THz Communications
Leixin Wu, Congtian Deng, Jiayu Pan +6 more·Nov 7, 2025
Although multiple-input multiple-output (MIMO) terahertz (THz) continuous-variable quantum key distribution (CVQKD) is theoretically secure, practical vulnerabilities may arise due to detector imperfections. This paper explores a CV measurement-devic...
Distributed quantum approximate counting algorithm
Huaijing Huang, Daowen Qiu·Nov 7, 2025
In this article, we propose a distributed quantum algorithm for solving counting problem using Grover operator and a classical post-processing procedure. We apply the proposed algorithm to estimate inner products and Hamming distances. Simulations ar...
Quantum Algorithm for Local-Volatility Option Pricing via the Kolmogorov Equation
Nikita Guseynov, Mikel Sanz, Ángel Rodríguez-Rozas +2 more·Nov 7, 2025
The solution of option-pricing problems may turn out to be computationally demanding due to non-linear and path-dependent payoffs, the high dimensionality arising from multiple underlying assets, and sophisticated models of price dynamics. In this co...
Programmable Adiabatic Rapid Passage laser pulses for Ultra-fast Gates on trapped ions
En-Teng An, Hao-Qing Zhang, Yun-Feng Huang +2 more·Nov 7, 2025
Scaling of quantum gates remains a central challenge in quantum information science. Ultrafast gates based on spin-dependent kicks provide a promising approach for trapped-ion systems. However, these gates require laser pulses with both high temporal...
Superfluid Fraction of a 2D Bose-Einstein Condensate in a Triangular Lattice
F. Rabec, G. Brochier, S. Wattellier +5 more·Nov 6, 2025
We experimentally investigate the superfluid properties of a two-dimensional, weakly interacting Bose-Einstein condensate in the zero-temperature regime, when it is subjected to a triangular optical lattice potential. We implement an original method,...
Preferred Basis in Coupled Electron-Nuclear Dynamics
Junhyeok Bang·Nov 6, 2025
Beyond the adiabatic regime, our understanding of quantum dynamics in coupled systems remains limited, and the choice of representation continues to obscure physical interpretation and simulation accuracy. Here we propose a natural and efficient basi...
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...
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...
Quantum time-marching algorithms for solving linear transport problems including boundary conditions
Sergio Bengoechea, Paul Over, Thomas Rung·Nov 6, 2025
This article presents the first complete application of a quantum time-marching algorithm for simulating multidimensional linear transport phenomena with arbitrary boundaries, whereby the success probabilities are problem intrinsic. The method adapts...
Implementing Grover Algorithm on Quantum Chip Architecture Optimized with QGHNN for Fidelity and Entanglement Preservation
Ahmad Salmanogli, Hesam Zandi·Nov 6, 2025
This study introduces a superconducting quantum chip architecture designed to simultaneously preserve entanglement and readout fidelity, addressing one of the key trade-offs in the development of scalable quantum hardware. In conventional quantum cir...
Quantum Key Distribution via Charge Teleportation
Amir Yona, Yaron Oz·Nov 6, 2025
We demonstrate that charge teleportation serves as a superior observable for Quantum Energy Teleportation (QET)-based cryptographic primitives. While following the LOCC protocol structure of earlier proposals, we show that decoding key bits via local...
Fast Transport of Trapped Ultracold Atoms Using Shortcuts-to-Adiabaticity by Counterdiabatic Driving
Denuwan Vithanage, Skyler Wright, Edith Luveina-Joseph +2 more·Nov 6, 2025
We numerically study the fast spatial transport of a trapped Bose-Einstein condensate (BEC) using shortcuts-to-adiabaticity (STA) by counterdiabatic driving (CD). The trapping potential and the required auxiliary potential were simulated as painted p...
Certified randomness amplification by dynamically probing remote random quantum states
Minzhao Liu, Pradeep Niroula, Matthew DeCross +49 more·Nov 5, 2025
Cryptography depends on truly unpredictable numbers, but physical sources emit biased or correlated bits. Quantum mechanics enables the amplification of imperfect randomness into nearly perfect randomness, but prior demonstrations have required physi...
Quantum error mitigation using energy sampling and extrapolation enhanced Clifford data regression
Zhongqi Zhao, Erik Rosendahl Kjellgren, Sonia Coriani +3 more·Nov 5, 2025
Error mitigation is essential for the practical implementation of quantum algorithms on noisy intermediate-scale quantum (NISQ) devices. This work explores and extends Clifford Data Regression (CDR) to mitigate noise in quantum chemistry simulations ...