Quantum Brain

Papers

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

Total Papers

27,881

This Month

1,306

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Research Volume

13,138 papers in 12 months (+1% vs prior quarter)

Research Focus Areas

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

6,169 papers found

Quantum Coulomb Blockade in Orbital Resolved Phosphorus Triple-Donor Molecule

Soumya Chakraborty, Pooja Sudha, Hemant Arora +2 more·Jul 13, 2025

Multi-donor architecture in silicon offers a promising direction towards scalable solid-state qubits and quantum technologies operating at practical conditions. However, the overlap of multiple donor wave-functions develops a complex internal electro...

Mesoscale Physicsphysics.app-phQuantum Physics

Simulating plasma wave propagation on a superconducting quantum chip

Bhuvanesh Sundar, Bram Evert, Vasily Geyko +3 more·Jul 13, 2025

Quantum computers may one day enable the efficient simulation of strongly coupled plasmas that lie beyond the reach of classical computation in regimes where quantum effects are important and the scale separation is large. In this article, we take a ...

Quantum Physicsphysics.plasm-ph

Intrinsic Multi-Mode Interference for Passive Suppression of Purcell Decay in Superconducting Circuits

Mustafa Bakr, Mohammed Alghadeer, Simon Pettersson Fors +6 more·Jul 13, 2025

Decoherence due to radiative decay remains an important consideration in scaling superconducting quantum processors. We introduce a passive, interference-based methodology for suppressing radiative decay using only the intrinsic multi-mode structured...

Physics

Continuous-time parametrization of neural quantum states for quantum dynamics

Dingzu Wang, Wenxuan Zhang, Xiansong Xu +1 more·Jul 11, 2025

Neural quantum states are a promising framework for simulating many-body quantum dynamics, as they can represent states with volume-law entanglement. As time evolves, the neural network parameters are typically optimized at discrete time steps to app...

Quantum Physicscond-mat.str-elphysics.comp-ph

Robust Chiral Edge Dynamics of a Kitaev Honeycomb on a Trapped Ion Processor

Ammar Ali, Joe Gibbs, Keerthi Kumaran +6 more·Jul 11, 2025

Kitaev's honeycomb model is a paradigmatic exactly solvable system hosting a quantum spin liquid with non-Abelian anyons and topologically protected edge modes, offering a platform for fault-tolerant quantum computation. However, real candidate Kitae...

Physics

Simulated non-Markovian Noise Resilience of Silicon-Based Spin Qubits with Surface Code Error Correction

Oscar Gravier, T. Ayral, Benoit Vermersch +2 more·Jul 11, 2025

We investigate the resilience of silicon-based spin qubits against non-Markovian noise within the framework of quantum error correction. We consider a realistic non-Markovian noise model that affects both the Larmor frequency and exchange energy of q...

Physics

Simulating sparse SYK model with a randomized algorithm on a trapped-ion quantum computer

Etienne Granet, Yuta Kikuchi, Henrik Dreyer +1 more·Jul 10, 2025

The Sachdev-Ye-Kitaev (SYK) model describes a strongly correlated quantum system that shows a strong signature of quantum chaos. Due to its chaotic nature, the simulation of real-time dynamics becomes quickly intractable by means of classical numer...

Physics

Real-Time Dynamics in a (2+1)-D Gauge Theory: The Stringy Nature on a Superconducting Quantum Simulator

Jesús Cobos, Joana Fraxanet, C'esar Benito +7 more·Jul 10, 2025

Understanding the confinement mechanism in gauge theories and the universality of effective string-like descriptions of gauge flux tubes remains a fundamental challenge in modern physics. We probe string modes of motion with dynamical matter in a dig...

Physics

Parametrized Quantum Circuit Learning for Quantum Chemical Applications

G. Jones, Viki Kumar Prasad, U. Fekl +1 more·Jul 10, 2025

In the field of quantum machine learning (QML), parametrized quantum circuits (PQCs) -- constructed using a combination of fixed and tunable quantum gates -- provide a promising hybrid framework for tackling complex machine learning problems. Despite...

PhysicsComputer Science

Quantum simulation of scattering amplitudes and interferences in perturbative QCD

Herschel A. Chawdhry, M. Pellen, Simon Williams·Jul 9, 2025

A flagship application of quantum computers is the simulation of other quantum systems, including quantum field theories. In this article, we show how quantum computers can be employed to naturally calculate Feynman diagrams and their interferences i...

Physics

Predict and Conquer: Navigating Algorithm Trade-Offs with Quantum Design Automation

Simon Thelen, Wolfgang Mauerer·Jul 9, 2025

Combining quantum computers with classical compute power has become a standard means for developing algorithms and heuristics that are, eventually, supposed to beat any purely classical alternatives. While in-principle advantages for solution quality...

Physics

Low-depth quantum error correction via three-qubit gates in Rydberg atom arrays

Laura Pecorari, Sven Jandura, Guido Pupillo·Jul 8, 2025

Quantum error correction (QEC) requires the execution of deep quantum circuits with large numbers of physical qubits to protect information against errors. Designing protocols that can reduce gate and space-time overheads of QEC is therefore crucial ...

Quantum Physics

Variational quantum algorithm for generalized eigenvalue problems of non-Hermitian systems

Jiaxin Li, Zhaobing Fan, Hongmei Yao +5 more·Jul 7, 2025

Non-Hermitian generalized eigenvalue problems (GEPs) play a significant role in many practical applications, such as mechanical engineering. Based on the generalized Schur decomposition, we propose a variational quantum algorithm for solving the GEPs...

Quantum Physics

Quantum-Inspired Tensor-Network Fractional-Step Method for Incompressible Flow in Curvilinear Coordinates

Nis-Luca van Hulst, Pia Siegl, Paul Over +5 more·Jul 7, 2025

We introduce an algorithmic framework based on tensor networks for computing fluid flows around immersed objects in curvilinear coordinates. We show that the tensor network simulations can be carried out solely using highly compressed tensor represen...

Physics

A Resource Efficient Quantum Kernel

Utkarsh Singh, Jean-Frédéric Laprade, Aaron Z. Goldberg +1 more·Jul 4, 2025

Quantum processors may enhance machine learning by mapping high-dimensional data onto quantum systems for processing. Conventional feature maps, for encoding data onto a quantum circuit are currently impractical, as the number of entangling gates sca...

Quantum Physicscs.LG

Analog Circuit-QED Simulator of Quantum Spin Dynamics Through the Extended Bose-Hubbard Model

Ivan V. Dudinets, Jaehee Kim, Tomás Ramos +3 more·Jul 4, 2025

We propose and validate a framework for analog simulation of the Heisenberg spin model using a circuit quantum electrodynamics (circuit-QED) platform. Our method involves the Dyson-Maleev transformation, for which we develop a procedure to circumvent...

Quantum Physics

Quantum Algorithm for the Fixed-Radius Neighbor Search

Luca Cappelli, Claudio Sanavio, Alessandro Andrea Zecchi +2 more·Jul 4, 2025

Neighbor search is a computationally demanding problem, usually both time- and memory-consuming. The main problem of this kind of algorithms is the long execution time due to cache misses. In this work, we propose a quantum algorithm for the Fixed RA...

Quantum Physics

Quantum Simulation of Molecular Dynamics Processes─A Benchmark Study Using a Classical Simulator and Present-Day Quantum Hardware.

Tamila Kuanysheva, Brian Kendrick, Lukasz Cincio +1 more·Jul 3, 2025

We explore how the fundamental problems in quantum molecular dynamics can be modeled using classical simulators (emulators) of quantum computers and the actual quantum hardware available to us today. The list of problems we tackle includes propagatio...

MedicinePhysics

Quantum Computing in the Computational Landscape of Power Electronics: Vision and Reality

N. Paterakis, P. Karamanakos, Corey O’Meara +1 more·Jul 3, 2025

Quantum computing is rapidly emerging as a promising technology for solving complex optimization problems that arise in various engineering fields. Therefore, it holds significant promise to transform the computational foundations of power electronic...

PhysicsMathematics

Quantics Tensor Train for solving Gross-Pitaevskii equation

Aleix Bou‐Comas, Marcin Plodzie'n, Luca Tagliacozzo +1 more·Jul 3, 2025

We present a quantum-inspired solver for the one-dimensional Gross-Pitaevskii equation in the Quantics Tensor-Train (QTT) representation. By evolving the system entirely within a low-rank tensor manifold, the method sidesteps the memory and runtime b...

Physics
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