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Papers

Live trends in quantum computing research, updated daily from arXiv.

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12,928 papers in 12 months (-5% vs prior quarter)

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2,459 papers found

Quantum open system description of a hybrid plasmonic cavity

Marco Vallone·Dec 4, 2025

We present a unified quantum open system framework for lossy plasmonic cavities in which coherent dynamics, relaxation, dephasing, and irreversible absorption are treated on equal footing. The Dyson equation for the cavity photon propagator in the ra...

physics.opticsMesoscale PhysicsQuantum Physics

Operator Formalism for Laser-Plasma Wakefield Acceleration

Mostafa Behtouei, Carlos Salgado Lopez, Giancarlo Gatti·Dec 4, 2025

In this paper, we develop an operator-based framework for laser--plasma wakefield acceleration (LPWA) in capillary discharges, providing a compact and systematic description of the coupled dynamics of laser fields and plasma response. The formalism e...

physics.plasm-phMathematical Physicsphysics.acc-phQuantum Physics

Convergence of sample-based quantum diagonalization on a variable-length cuprate chain

L. Andrew Wray, Cheng-Ju Lin, Vincent Su +1 more·Dec 4, 2025

Sample-based quantum diagonalization (SQD) is an algorithm for hybrid quantum-classical molecular simulation that has been of broad interest for application with noisy intermediate scale quantum (NISQ) devices. However, SQD does not always converge o...

Quantum Physicscond-mat.otherphysics.chem-phphysics.comp-ph

PVLS: A Learning-based Parameter Prediction Technique for Variational Quantum Linear Solvers

Youla Yang·Dec 4, 2025

Variational Quantum Linear Solvers (VQLS) are a promising method for solving linear systems on near-term quantum devices. However, their performance is often limited by barren plateaus and inefficient parameter initialization, which significantly hin...

Quantum Physics

Hybrid VQE-CVQE algorithm using diabatic state preparation

John P. T. Stenger, C. Stephen Hellberg, Daniel Gunlycke·Dec 4, 2025

We propose a hybrid variational quantum algorithm that has variational parameters used by both the quantum circuit and the subsequent classical optimization. Similar to the Variational Quantum Eigensolver (VQE), this algorithm applies a parameterized...

Quantum Physics

Optimal Scaling Quantum Interior Point Method for Linear Optimization

Mohammadhossein Mohammadisiahroudi, Zeguan Wu, Pouya Sampourmahani +2 more·Dec 4, 2025

The emergence of huge-scale, data-intensive linear optimization (LO) problems in applications such as machine learning has driven the need for more computationally efficient interior point methods (IPMs). While conventional IPMs are polynomial-time a...

Quantum Physics

Combined Quantum and Post-Quantum Security Performance Under Finite Keys

Aman Gupta, Ravi Singh Adhikari, Anju Rani +2 more·Dec 4, 2025

Recent advances in quantum-secure communication have highlighted the value of hybrid schemes that combine Quantum Key Distribution (QKD) with Post-Quantum Cryptography (PQC). Yet most existing hybrid designs omit realistic finite-key effects on QKD k...

Quantum PhysicsCryptography

Maestro: Intelligent Execution for Quantum Circuit Simulation

Oriol Bertomeu, Hamzah Ghayas, Adrian Roman +1 more·Dec 3, 2025

Quantum circuit simulation remains essential for developing and validating quantum algorithms, especially as current quantum hardware is limited in scale and quality. However, the growing diversity of simulation methods and software tools creates a h...

Quantum Physicscs.MScs.SE

Towards Quantum Stochastic Optimization for Energy Systems under Uncertainty: Joint Chance Constraints with Quantum Annealing

David Ribes, Tatiana Gonzalez Grandon·Dec 3, 2025

Uncertainty is fundamental in modern power systems, where renewable generation and fluctuating demand make stochastic optimization indispensable. The chance constrained unit commitment problem (UCP) captures this uncertainty but rapidly becomes compu...

Quantum Physics

Laser-induced modulation of conductance in graphene with magnetic barriers

Rachid El Aitouni, Miloud Mekkaoui, Pablo Díaz +2 more·Dec 3, 2025

We study how electrons move across a graphene sheet when it encounters two magnetic barriers with a region in between that is continuously driven by laser light. Rather than acting as a static obstacle, this illuminated middle section becomes a Floqu...

Mesoscale PhysicsQuantum Physics

Solution of the Electric Field Integral Equation Using a Hybrid Quantum-Classical Scheme: Investigation of Accuracy and Efficiency

Rui Chen, Teng-Yang Ma, Meng-Han Dou +1 more·Dec 3, 2025

Conventional classical solvers are commonly used for solving matrix equation systems resulting from the discretization of SIEs in computational electromagnetics (CEM). However, the memory requirement would become a bottleneck for classical computing ...

Quantum PhysicsMathematical Physics

Complex Wigner entropy and Fisher control of negativity in an oval quantum billiard

Kyu-Won Park, Jongin Jeong·Dec 3, 2025

We develop a complex-entropy framework for Wigner negativity and apply it to avoided crossings in an oval quantum billiard. For a real Wigner function the Gibbs--Shannon functional becomes complex; its imaginary part, proportional to the Wigner-negat...

Quantum Physics

Hybridized-Mode Parametric Amplifier in Kinetic-Inductance Circuits

Danial Davoudi, Abdul Mohamed, Shabir Barzanjeh·Dec 3, 2025

Parametric amplification is essential for quantum measurement, enabling the amplification of weak microwave signals with minimal added noise. While Josephson-junction-based amplifiers have become standard in superconducting quantum circuits, their ma...

Quantum Physicscond-mat.supr-con

Sketch Tomography: Hybridizing Classical Shadow and Matrix Product State

Xun Tang, Haoxuan Chen, Yuehaw Khoo +1 more·Dec 3, 2025

We introduce Sketch Tomography, an efficient procedure for quantum state tomography based on the classical shadow protocol used for quantum observable estimations. The procedure applies to the case where the ground truth quantum state is a matrix pro...

Quantum Physicsmath.NAmath.STphysics.comp-ph

Quantum Topological Graph Neural Networks for Detecting Complex Fraud Patterns

Mohammad Doost, Mohammad Manthouri·Dec 3, 2025

We propose a novel QTGNN framework for detecting fraudulent transactions in large-scale financial networks. By integrating quantum embedding, variational graph convolutions, and topological data analysis, QTGNN captures complex transaction dynamics a...

Computer Science

SDQC: Distributed Quantum Computing Architecture Utilizing Entangled Ion Qubit Shuttling

Seunghyun Baek, Seok-Hyung Lee, Dongmoon Min +1 more·Dec 2, 2025

We propose Shuttling-based Distributed Quantum Computing (SDQC), a hybrid architecture that combines the strengths of physical qubit shuttling and distributed quantum computing to enable scalable trapped-ion quantum computing. SDQC performs non-local...

Quantum PhysicsAtomic Physics

Generative modeling using evolved quantum Boltzmann machines

Mark M. Wilde·Dec 2, 2025

Born-rule generative modeling, a central task in quantum machine learning, seeks to learn probability distributions that can be efficiently sampled by measuring complex quantum states. One hope is for quantum models to efficiently capture probability...

Quantum Physicscs.LGmath.OC

Hybrid Quantum State Preparation via Data Compression

Emad Rezaei Fard Boosari, Maryam Afsary·Dec 1, 2025

Quantum state preparation (QSP) for a general $n$-qubit state requires $O(2^n)$ CNOT gates and circuit depth, making exact amplitude encoding (EAE) impractical for near-term quantum hardware. We introduce an ancilla-free hybrid classical-quantum stra...

Quantum Physics

Resource Estimation for VQE on Small Molecules: Impact of Fermion Mappings and Hamiltonian Reductions

Anurag K. S. V., Ashish Kumar Patra, Vikas Dattatraya Ghevade +5 more·Dec 1, 2025

Accurate determination of ground-state energies for molecules remains a challenge in quantum chemistry and a cornerstone for progress in fields such as drug discovery and materials design. The Variational Quantum Eigensolver (VQE) represents a leadin...

Quantum Physics

QuantumCanvas: A Multimodal Benchmark for Visual Learning of Atomic Interactions

Can Polat, Erchin Serpedin, Mustafa Kurban +1 more·Dec 1, 2025

Despite rapid advances in molecular and materials machine learning, most models still lack physical transferability: they fit correlations across whole molecules or crystals rather than learning the quantum interactions between atomic pairs. Yet bond...

cs.CVcond-mat.mtrl-sciQuantum Physics
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