Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Resource analysis of Shor's elliptic curve algorithm with an improved quantum adder on a two-dimensional lattice
Quan Gu, Han Ye, Junjie Chen +1 more·Oct 27, 2025
Quantum computers have the potential to break classical cryptographic systems by efficiently solving problems such as the elliptic curve discrete logarithm problem using Shor's algorithm. While resource estimates for factoring-based cryptanalysis are...
Benchmarking VQE Configurations: Architectures, Initializations, and Optimizers for Silicon Ground State Energy
Zakaria Boutakka, Nouhaila Innan, Muhammed Shafique +2 more·Oct 27, 2025
Quantum computing presents a promising path toward precise quantum chemical simulations, particularly for systems that challenge classical methods. This work investigates the performance of the Variational Quantum Eigensolver (VQE) in estimating the ...
Measurement-only circuit of perturbed toric code on triangular lattice: Topological entanglement, 1-form symmetry and logical qubits
Keisuke Kataoka, Yoshihito Kuno, Takahiro Orito +1 more·Oct 27, 2025
Measurement-only (quantum) circuit (MoC) gives possibility to realize the states with rich entanglements, topological orders and quantum memories. This work studies the MoC, in which the projective-measurement operators consist of stabilizers of the ...
Size-consistent implementation of Hamiltonian simulation-based quantum-selected configuration interaction method for the supramolecular approach
Kenji Sugisaki·Oct 27, 2025
The quantum-selected configuration interaction (QSCI) method is a promising approach for large-scale quantum chemical calculations on currently available quantum hardware. However, its naive implementation lacks size consistency, which is essential f...
Universal Relations in Long-range Quantum Spin Chains
Ning Sun, Lei Feng, Pengfei Zhang·Oct 27, 2025
Understanding the emergence of novel collective behaviors in strongly interacting systems lies at the heart of quantum many-body physics. Valuable insight comes from examining how few-body correlations manifest in many-body systems, embodying the ``f...
Multiensemble Superradiance for Distributed Quantum Sensing
Kang Shen, Xiangming Hu, Fei Wang·Oct 27, 2025
Multiensemble superradiance extends Dicke superradiance to multiple ensembles and supports dark states whose properties depend on the initial state. In the large-\(N\) limit, we derive analytical covariance matrices for these dark states, revealing i...
Heat measurement of quantum interference
Christoforus Dimas Satrya, Aleksandr S. Strelnikov, Luca Magazzù +5 more·Oct 27, 2025
Coherence is a key property of quantum systems, and it plays a central role in the operation and performance of quantum heat engines and refrigerators. Despite its importance for the fundamental understanding in quantum thermodynamics and its technol...
Tensor network methods for quantum-inspired image processing and classical optics
Nicolas Allegra·Oct 27, 2025
Tensor network methods strike a middle ground between fully-fledged quantum computing and classical computing, as they take inspiration from quantum systems to significantly speed up certain classical operations. Their strength lies in their compress...
POVM generated quantum trajectories without stochastic differential equations
Rutvij Bhavsar, N. D. Hari Dass·Oct 27, 2025
In this paper we examine the issue of quantum trajectories generated by QND-POVM's on {\it single} copies of unknown states. After an introduction to various aspects of quantum measurements, we discuss an earlier approach by one of us(NDH) based on G...
Quantum Simulation of Oscillatory Unruh Effect with Superposed Trajectories
Xu Cheng, Yue Li, Zehua Tian +3 more·Oct 27, 2025
The Unruh effect predicts an astonishing phenomenon that an accelerated detector would detect counts despite being in a quantum field vacuum in the rest frame. Since the required detector acceleration for its direct observation is prohibitively large...
Finite temperature Casimir effect in one-dimensional scalar field with double delta-function potentials
Liang Chen, Xu-Feng Zhao, Shao-Zhe Lu·Oct 27, 2025
We investigate the finite-temperature Casimir effect for a (1+1)-dimensional scalar field interacting with a pair of delta-function potentials. We employ the canonical quantization method to compute the Casimir force and entropy, contrasting the resu...
Experimental Multipartite Entanglement Detection With Minimal-Size Correlations
Dian Wu, Fei Shi, Jia-Cheng Sun +5 more·Oct 27, 2025
Multiparticle entanglement is a valuable resource for quantum technologies, including measurement based quantum computing, quantum secret sharing, and a variety of quantum sensing applications. The direct way to detect this resource is to observe cor...
Giant-Atom Quantum Batteries
Ke-Xiong Yan, Yang Liu, Yang Xiao +5 more·Oct 27, 2025
Environmentally induced decoherence poses a fundamental challenge to quantum energy storage systems, causing irreversible energy dissipation and performance aging of quantum batteries (QBs). To address this issue, we propose a QB protocol utilizing t...
Ultra-high-rate detection of entangled photon pairs
Toshimori Honjo, Shigeyuki Miyajima, Shigehito Miki +5 more·Oct 27, 2025
The high-rate detection of entangled photons is essential for advancing photonic quantum information processing. Although several experimental demonstrations have been reported, the achievable coincidence rates have so far remained limited. One of th...
Reducing measurements in quantum erasure correction by quantum local recovery
Ryutaroh Matsumoto·Oct 27, 2025
As measurements are costly and prone to errors on certain quantum computing devices, we should reduce the number of measurements and the number of measured qudits as small as possible in quantum erasure correction. It is intuitively obvious that a de...
Control of valence-electron motion in Xe cations using the stimulated-Raman-adiabatic-passage technique
Miguel A. Alarcón, Karl Hauser, Nikolay V. Golubev·Oct 26, 2025
This work theoretically investigates possibilities of using the Stimulated Raman Adiabatic Passage (STIRAP) and its variants to control a coherent superposition of quantum states. We present a generalization of the so-called fractional STIRAP (f-STIR...
Dirac Equation and Representation Dependent Scattering Phenomena
Muhammad Adeel Ajaib·Oct 26, 2025
We show that spin-flip probabilities emerge in the relativistic regime for scalar potentials, absent in the standard Dirac representation. We examine 1D scattering for the Dirac equation employing an alternate matrix representation introduced by the ...
Universal Decay of Mutual Information and Conditional Mutual Information in Gapped Pure- and Mixed-State Quantum Matter
Jinmin Yi, Kangle Li, Chuan Liu +2 more·Oct 26, 2025
For spin and fermionic systems in any spatial dimension, we establish that the superpolynomial decay behavior of mutual information and conditional mutual information is a universal property of gapped pure- and mixed-state phases; i.e., all systems i...
Deterministic single-photon source with on-chip 5.6 GHz acoustic clock
Alexander S. Kuznetsov, Meysam Saeedi, Zixuan Wang +2 more·Oct 26, 2025
Scalable solid state single-photon sources (SPSs) with triggered single-photon emission rates exceeding a few GHz would aid in the wide technological adoption of photonic quantum technologies. We demonstrate triggering of a quantum dot (QD) single ph...
Qlustering: Harnessing Network-Based Quantum Transport for Data Clustering
Shmuel Lorber, Yonatan Dubi·Oct 26, 2025
We introduce Qlustering, a quantum-inspired algorithm for unsupervised learning that leverages network-based quantum transport to perform data clustering. In contrast to traditional distance-based methods, Qlustering treats the steady-state dynamics ...