Quantum Brain

Papers

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

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27,881

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Research Volume

13,127 papers in 12 months (+1% vs prior quarter)

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Papers by research theme (12 months). Hover for details.

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Hardware platform mentions in abstractsPhotonic leads

6,169 papers found

Capturing Quantum Snapshots from a Single Copy via Mid-Circuit Measurement and Dynamic Circuit

Debarshi Kundu, Avimita Chatterjee, Archisman Ghosh +1 more·Apr 30, 2025

We propose Quantum Snapshot with Dynamic Circuit (QSDC), a hardware-agnostic, learning-driven framework for capturing quantum snapshots: non-destructive estimates of quantum states at arbitrary points within a quantum circuit, which can then be class...

Physics

Erasure Minesweeper: Exploring Hybrid-Erasure Surface Code Architectures for Efficient Quantum Error Correction

Jason Chadwick, Mariesa Teo, Joshua Viszlai +2 more·Apr 30, 2025

Dual-rail erasure qubits can substantially improve the efficiency of quantum error correction, allowing lower error rates to be achieved with fewer qubits, but each erasure qubit requires $3 \times$ more transmons to implement compared to standard qu...

Physics

An unbiased measure over the matrix product state manifold

S. Leontica, Andrew G. Green·Apr 30, 2025

Matrix product states are useful representations for a large variety of naturally occurring quantum states. Studying their typical properties is important for understanding universal behavior, including quantum chaos and thermalization, as well as th...

Physics

Simulating quantum collision models with Hamiltonian simulations using early fault-tolerant quantum computers

Kushagra Garg, Zeeshan Ahmed, Subhadip Mitra +1 more·Apr 30, 2025

We develop randomized quantum algorithms to simulate quantum collision models, also known as repeated interaction schemes, which provide a rich framework to model various open-system dynamics. The underlying technique involves composing time evolutio...

Computer SciencePhysics

Hybrid quantum recurrent neural network for remaining useful life prediction

Olga Tsurkan, Aleksandra Konstantinova, Aleksandr Sedykh +5 more·Apr 29, 2025

Predictive maintenance in aerospace heavily relies on accurate estimation of the remaining useful life of jet engines. In this paper, we introduce a Hybrid Quantum Recurrent Neural Network framework, combining Quantum Long Short-Term Memory layers wi...

cs.LGQuantum Physics

Variational Quantum Simulation of the Interacting Schwinger Model on a Trapped-Ion Quantum Processor

Christian Melzer, Stephan Schuster, Diego Alberto Olvera Mill'an +4 more·Apr 29, 2025

Simulations in high-energy physics are currently emerging as an application of noisy intermediate-scale quantum (NISQ) computers. In this work, we explore the multi-flavor lattice Schwinger model - a toy model inspired by quantum chromodynamics - in ...

Physics

Photonic quantum convolutional neural networks with adaptive state injection

Léo Monbroussou, Beatrice Polacchi, Verena Yacoub +14 more·Apr 29, 2025

Abstract. Recent photonic quantum machine learning proposals combined linear optics with adaptivity to enhance expressivity and improve algorithm performance and scalability. The particle-number-preserving property of linear optical platforms was rec...

PhysicsEngineering

Generalized pulse design in Floquet engineering: Application to interacting spin systems

Ryan Scott, Bryce Gadway, V. W. Scarola·Apr 28, 2025

Floquet engineering in quantum simulation employs externally applied high-frequency pulses to dynamically design steady-state effective Hamiltonians. Such protocols can be used to enlarge the space of Hamiltonians but approximations often limit pulse...

Quantum Physicscond-mat.quant-gas

Stochastic quantum adiabatic algorithm with fractional Brownian motion

Osanda Chinthila, Pani W Fernando, A. Mahasinghe +2 more·Apr 28, 2025

Adiabatic Quantum Computing relies on the quantum adiabatic theorem, which states that a quantum system evolves along its ground state with time if the governing Hamiltonian varies infinitely slowly. However, practical limitations force computations ...

Physics

Precision polarization tuning for light shift mitigation in trapped-ion qubits

Hengchao Tu, Chunyang Luan, Menglin Zou +3 more·Apr 28, 2025

Trapped-ion qubits are among the most promising candidates for quantum computing, quantum information processing, and quantum simulation. In general, trapped ions are considered to have sufficiently long coherence times, which are mainly characterize...

Physics

Classical simulation of parity-preserving quantum circuits

C. Wille, Sergii Strelchuk·Apr 27, 2025

We present a classical simulation method for fermionic quantum systems which, without loss of generality, can be represented by parity-preserving circuits made of two-qubit gates in a brick-wall structure. We map such circuits to a fermionic tensor n...

Physics

Simulation of a rapid qubit readout dependent on the transmission of a single fluxon

Waltraut Wustmann, Kevin D. Osborn·Apr 26, 2025

The readout speed of qubits is a major limitation for error correction in quantum information science. We show simulations of a proposed device that gives readout of a fluxonium qubit using a ballistic fluxon with an estimated readout time of less th...

Quantum Physicscond-mat.supr-con

A Preliminary Investigation on the Usage of Quantum Approximate Optimization Algorithms for Test Case Selection

Antonio Trovato, Martin Beseda, Dario Di Nucci·Apr 26, 2025

Regression testing is key in verifying that software works correctly after changes. However, running the entire regression test suite can be impractical and expensive, especially for large-scale systems. Test suite optimization methods are highly eff...

Computer SciencePhysics

Predicting sampling advantage of stochastic Ising Machines for Quantum Simulations

Rutger J. L. F. Berns, Davi R. Rodrigues, Giovanni Finocchio +1 more·Apr 25, 2025

Stochastic Ising machines, sIMs, are highly promising accelerators for optimization and sampling of computational problems that can be formulated as an Ising model. Here we investigate the computational advantage of sIM for simulations of quantum mag...

Quantum Physicscond-mat.dis-nnEmerging Tech

Large Language Model-Based Intelligent Antenna Design System

Tao Wu, Kexue Fu, Qiang Hua +2 more·Apr 25, 2025

Antenna simulation typically involves modeling and optimization, which are time-consuming and labor-intensive, slowing down antenna analysis and design. This paper presents a prototype of a large language model (LLM)-based antenna design system (LADS...

AIEmerging Techcs.HCeess.SY

Parallelized Givens Ansatz for Molecular ground-states: Bridging Accuracy and Efficiency on NISQ Platforms

M. R. Nirmal, Ankit Khandelwal, Manoj Nambiar +1 more·Apr 25, 2025

In recent years, the Variational Quantum Eigensolver (VQE) has emerged as one of the most popular algorithms for solving the electronic structure problem on near-term quantum computers. The utility of VQE is often hindered by the limitations of curre...

Quantum Physicsphysics.chem-ph

Determining Molecular Ground State with Quantum Imaginary Time Evolution using Broken-Symmetry Wave Function

Pawan Sharma Poudel, Kenji Sugisaki, Michal Hajdušek +1 more·Apr 25, 2025

The Hartree-Fock (HF) wave function, commonly used for approximating molecular ground states, becomes nonideal in open shell systems due to the inherent multi-configurational nature of the wave function, limiting accuracy in Quantum Imaginary Time Ev...

physics.chem-phQuantum Physics

Optimizing Resource Allocation in a Distributed Quantum Computing Cloud: A Game-Theoretic Approach

Bernard Ousmane Sane, Michal Hajdušek, Rodney Van Meter·Apr 25, 2025

Quantum cloud computing is essential for achieving quantum supremacy by utilizing multiple quantum computers connected via an entangling network to deliver high performance for practical applications that require extensive computational resources. Wi...

Quantum Physics

Quantum Circuit Design for Decoded Quantum Interferometry

Natchapol Patamawisut, Naphan Benchasattabuse, Michal Hajdušek +1 more·Apr 25, 2025

Decoded Quantum Interferometry (DQI) is a recently proposed quantum algorithm for approximating solutions to combinatorial optimization problems by reducing instances of linear satisfiability to bounded-distance decoding over superpositions of quantu...

Physics

Coherent nonlinear optical probe for cavity-dressed vibrational mode mixing: multidimensional double-quantum coherence and photon-echo spectroscopy

Arunangshu Debnath·Apr 24, 2025

Cavity dressing of molecular vibrational dynamics expands the role of characteristic vibrations as spectroscopic markers of underlying ultrafast dynamics. Interacting vibrational modes exhibit a pronounced excited state delocalization due to the inte...

Quantum Physicsphysics.chem-phphysics.optics
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