Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Thermodynamic sampling of materials using neutral-atom quantum computers
Bruno Camino, Mao Lin, John Buckeridge +1 more·Dec 24, 2025
Neutral-atom quantum hardware has emerged as a promising platform for programmable many-body physics. In this work, we develop and validate a practical framework for extracting thermodynamic properties of materials using such hardware. As a test case...
Photoexcitation of moiré-trapped interlayer excitons via chiral phonons
A. Borel, T. V. Ivanova, J. Cervantes-Villanueva +7 more·Dec 24, 2025
Moiré superlattices in transition-metal dichalcogenide semiconductor heterobilayers enable the quantum confinement of interlayer excitons with large out-of-plane permanent electric dipoles and spin-valley control. Here, we report a novel phonon-assis...
Coherent-state boundary conditions as the first-principles origin of background fields in QED
Keita Seto·Dec 24, 2025
QED formulated in prescribed classical background electromagnetic fields is a standard framework for strong-field and laser\textendash matter interactions. It is usually treated as a theory modified by externally imposed fields, obscuring its precise...
Holonomic multi-controlled gates for single-photon states
Carlo Danieli, Valentina Brosco, Claudio Conti +1 more·Dec 24, 2025
Controlled and multi-controlled quantum gates, whose action on a target qubit depends on the state of multiple control qubits, represent a fundamental logical building block for complex quantum algorithms. We propose a scheme for realizing this class...
Hamiltonian-Informed Point Group Symmetry-Respecting Ansatz for Variational Quantum Eigensolver
Runhong He, Arapat Ablimit, Xin Hong +5 more·Dec 24, 2025
Solving molecular energy levels via the Variational Quantum Eigensolver (VQE) algorithm represents one of the most promising applications for demonstrating practically meaningful quantum advantage in the noisy intermediate-scale quantum (NISQ) era. T...
Classical reservoir approach for efficient molecular ground state preparation
Zekun He, Dominika Zgid, A. F. Kemper +1 more·Dec 24, 2025
Ground state preparation is a central application of quantum algorithms for electronic structure. We introduce the classical reservoir approach, a low cost variational ansatz tailored to near-term hardware, requiring only nearest-neighbor interaction...
Device-Independent Anonymous Communication in Quantum Networks
Srijani Das, Manasi Patra, Tuhin Paul +2 more·Dec 24, 2025
Anonymity is a fundamental cryptographic primitive that hides the identities of both senders and receivers during message transmission over a network. Classical protocols cannot provide information-theoretic security for such task, and existing quant...
Measurement-driven Quantum Approximate Optimization
Tobias Stollenwerk, Stuart Hadfield·Dec 24, 2025
Algorithms based on non-unitary evolution have attracted much interest for ground state preparation on quantum computers. One recently proposed method makes use of ancilla qubits and controlled unitary operators to implement weak measurements related...
Black hole as a multipartite entangler: multi-entropy in AdS${}_3$/CFT${}_2$
Takanori Anegawa, Shota Suzuki, Kotaro Tamaoka·Dec 24, 2025
We study multipartite entanglement in typical pure states holographically dual to pure BTZ black holes, using multi-entropy and its ``genuine'' version. In the bulk, these quantities are computed by minimal geodesic networks (so-called Steiner trees)...
Quantum Homotopy Algorithm for Solving Nonlinear PDEs and Flow Problems
Sachin S. Bharadwaj, Balasubramanya Nadiga, Stephan Eidenbenz +1 more·Dec 24, 2025
Quantum algorithms to integrate nonlinear PDEs governing flow problems are challenging to discover but critical to enhancing the practical usefulness of quantum computing. We present here a near-optimal, robust, and end-to-end quantum algorithm to so...
Precise quantum control of unidirectional field-free molecular orientation
Qian-Qian Hong, Zhe-Jun Zhang, Chuan-Cun Shu +3 more·Dec 24, 2025
The capability to control molecular rotation for field-free orientation, which arranges molecules in specific spatial directions without external fields, is crucial in physics, chemistry, and quantum information science. However, conventional methods...
AI-Accelerated Qubit Readout at the Single-Photon Level for Scalable Atomic Quantum Processors
Yaoting Zhou, Weisen Wang, Zhuangzhuang Tian +6 more·Dec 24, 2025
Quantum state readout with minimal resources is crucial for scalable quantum information processing. As a leading platform, neutral atom arrays rely on atomic fluorescence imaging for qubit readout, requiring short exposure, low photon count schemes ...
Tutorial on Superconducting Quantum Circuits: From Basics to Applications
Denys Derlian Carvalho Brito, Fernando Valadares, André Jorge Carvalho Chaves·Dec 24, 2025
As superconducting circuits emerge as a leading platform for scalable quantum information processing, building comprehensive bridges from the foundational principles of macroscopic quantum phenomena to the architecture of modern quantum devices is in...
Quantum algorithm for Ewald summation based computation of long-range electrostatics
Mansur Ziiatdinov, Igor Novikov, Farid Ablayev +1 more·Dec 24, 2025
In computational molecular science, calculation of electrostatic interactions involving charged atoms - the strongest interactions in condensed phases, is a major bottleneck. We propose a quantum-classical algorithm for fast, yet, accurate computatio...
Heralded Linear Optical Generation of Dicke States
Minhyeok Kang, Jaehee Kim, William J. Munro +2 more·Dec 24, 2025
Entanglement is a fundamental feature of quantum mechanics and a key resource for quantum information processing. Among multipartite entangled states, Dicke states $|D_n^k\rangle$ are distinguished by their permutation symmetry, which provides robust...
Optical spin tomography in a telecom C-band quantum dot
Junyang Huang, Ginny Shooter, Petros Laccotripes +5 more·Dec 24, 2025
A central challenge for scalable quantum networks is the realization of coherent interfaces between stationary qubits and telecom-band photonic qubits for long-distance entanglement distribution. Semiconductor quantum dots emitting at telecom wavelen...
Quantum Ising Model on $(2+1)-$Dimensional Anti$-$de Sitter Space using Tensor Networks
Abhishek Samlodia, Simon Catterall, Alexander F. Kemper +2 more·Dec 23, 2025
We study the quantum Ising model on (2+1)-dimensional anti-de Sitter space using Matrix Product States (MPS) and Matrix Product Operators (MPOs). We explore the bulk phase diagram of the theory on regular tessellations of hyperbolic space with coordi...
The Benefits and Challenges of a Quantum Computing Concept Inventory
Lachlan McGinness·Dec 23, 2025
A Quantum Computing Concept Inventory is needed for the acceleration of uptake of best practice in quantum computing education required to support the quantum computing workforce for the next two decades. Eight experts in quantum computing, quantum o...
Using bosons to improve resource efficiency of quantum simulation of vibronic molecular dynamics
Henry L. Nourse, Vanessa C. Olaya-Agudelo, Ivan Kassal·Dec 23, 2025
Simulating chemical dynamics is computationally challenging, especially for nonadiabatic dynamics, where numerically exact classical simulations scale exponentially with system size, becoming intractable for even small molecules. On quantum computers...
Towards City-Scale Quantum Timing: Wireless Synchronization via Quantum Hubs
Mohammad Taghi Dabiri, Mazen Hasna, Rula Ammuri +2 more·Dec 23, 2025
This paper presents a novel wireless quantum synchronization framework tailored for city-scale deployment using entangled photon pairs and passive corner cube retroreflector (CCR) arrays. A centralized quantum hub emits entangled photons, directing o...