Quantum Brain

Papers

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

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28,669

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367

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13,711 papers in 12 months (-14% vs prior quarter)

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28,669 papers found

Distributed quantum logic algorithm

Boris Arseniev·Nov 18, 2024

Parallel computation enables multiple processors to execute different parts of a task simultaneously, improving processing speed and efficiency. In quantum computing, parallel gate implementation involves executing gates independently in different re...

PhysicsComputer Science

Fault-tolerant quantum computation with a neutral atom processor

Ben W. Reichardt, A. Paetznick, D. Aasen +68 more·Nov 18, 2024

Quantum computing experiments are transitioning from running on physical qubits to using encoded, logical qubits. Fault-tolerant computation can identify and correct errors, and has the potential to enable the dramatically reduced logical error rates...

Physics

Mera: Memory Reduction and Acceleration for Quantum Circuit Simulation via Redundancy Exploration

Yuhong Song, E. Sha, Longshan Xu +2 more·Nov 18, 2024

With the development of quantum computing, quantum processor demonstrates the potential supremacy in specific applications, such as Grover's database search and popular quantum neural networks (QNNs). For better calibrating the quantum algorithms and...

Computer SciencePhysics

Simulating Non-Markovian Quantum Dynamics on NISQ Computers Using the Hierarchical Equations of Motion.

Xiaohan Dan, Eitan Geva, Victor S. Batista·Nov 18, 2024

Quantum computing offers promising new avenues for tackling the long-standing challenge of simulating the quantum dynamics of complex chemical systems, particularly open quantum systems coupled to external baths. However, simulating such nonunitary d...

PhysicsMedicine

Learning complexity gradually in quantum machine learning models

Erik Recio-Armengol, Franz J. Schreiber, J. Eisert +1 more·Nov 18, 2024

Quantum machine learning is an emergent field that continues to draw significant interest for its potential to offer improvements over classical algorithms in certain areas. However, training quantum models remains a challenging task, largely because...

Physics

Efficient Quantum Algorithm for Weighted Partial Sums and Numerical Integration

Alok Shukla, P. Vedula·Nov 17, 2024

A quantum algorithm is presented for efficiently computing partial sums and specific weighted partial sums of quantum state amplitudes. Computation of partial sums has important applications, including numerical integration, cumulative probability di...

Physics

Schrödingerization based Quantum Circuits for Maxwell's Equation with time-dependent source terms

Chuwen Ma, Shi Jin, Nana Liu +2 more·Nov 17, 2024

The Schr\"odingerisation method combined with the autonomozation technique in \cite{cjL23} converts general non-autonomous linear differential equations with non-unitary dynamics into systems of autonomous Schr\"odinger-type equations, via the so-cal...

Computer SciencePhysicsMathematics

Millimeter-Wave Superconducting Qubit

Alexander Anferov, Fanghui Wan, Shannon P. Harvey +2 more·Nov 17, 2024

Manipulating the electromagnetic spectrum at the single-photon level is fundamental for quantum experiments. In the visible and infrared ranges, this can be accomplished with atomic quantum emitters, and with superconducting qubits such control is ex...

Physics

Validation tests of Gaussian boson samplers with photon-number resolving detectors

A. Dellios, M. Reid, Peter D Drummond·Nov 17, 2024

An important challenge with the current generation of noisy, large-scale quantum computers is the question of validation. Does the hardware generate correct answers? If not, what are the errors? This issue is often combined with questions of computat...

Physics

Digital-Analog Quantum Machine Learning

L. Lamata·Nov 16, 2024

Machine learning algorithms are extensively used in an increasing number of systems, applications, technologies, and products, both in industry and in society as a whole. They enable computing devices to learn from previous experience and therefore i...

Computer SciencePhysics

Classical optimization with imaginary time block encoding on quantum computers: The MaxCut problem

Dawei Zhong, Akhil Francis, E. Rrapaj·Nov 16, 2024

Optimization problems in finance, physics and computer science are typically very hard to tackle in classical computing and quantum computing could help speed up computations and provide efficient methods for tackling large problems. Typically, to tr...

PhysicsComputer ScienceMathematics

Strong-coupling quantum thermodynamics using a superconducting flux qubit

Rishabh Upadhyay, B. Karimi, D. Subero +4 more·Nov 16, 2024

Thermodynamics in quantum circuits aims to find improved functionalities of thermal machines, highlight fundamental phenomena peculiar to quantum nature in thermodynamics, and point out limitations in quantum information processing due to coupling of...

Physics

How to Build a Quantum Supercomputer: Scaling from Hundreds to Millions of Qubits

Masoud Mohseni, Artur Scherer, K. Grace Johnson +48 more·Nov 15, 2024

In the span of four decades, quantum computation has evolved from an intellectual curiosity to a potentially realizable technology. Today, small-scale demonstrations have become possible for quantum algorithmic primitives on hundreds of physical qubi...

Quantum Physicscond-mat.dis-nnAIcs.DC

Local Clustering Decoder as a fast and adaptive hardware decoder for the surface code

Abbas B. Ziad, Ankit Zalawadiya, Canberk Topal +4 more·Nov 15, 2024

To avoid prohibitive overheads in performing fault-tolerant quantum computation, the decoding problem needs to be solved accurately and at speeds sufficient for fast feedback. Existing decoding systems fail to satisfy both of these requirements, mean...

Quantum Physics

How contextuality and antidistinguishability are related

Maiyuren Srikumar, Stephen D. Bartlett, Angela Karanjai·Nov 15, 2024

Contextuality is a key characteristic that separates quantum from classical phenomena and an important tool in understanding the potential advantage of quantum computation. However, when assessing the quantum resources available for quantum informati...

Quantum Physics

Quantum-assisted Stacking Sequence Retrieval and Laminated Composite Design

Arne Wulff, Swapan Madabhushi Venkata, Boyang Chen +3 more·Nov 15, 2024

We, the QAIMS lab lab at the Aerospace Faculty of TU Delft, participated as finalists in the Airbus/BMW Quantum Computing Challenge 2024. Stacking sequence retrieval, a complex combinatorial task within a bi-level optimization framework, is crucial f...

Computer SciencePhysics

How quantum computing can enhance biomarker discovery

Frederik F. Flöther, Daniel J. Blankenberg, Maria Demidik +7 more·Nov 15, 2024

Summary Biomarkers play a central role in medicine’s gradual progress toward proactive, personalized precision diagnostics and interventions. However, finding biomarkers that provide very early indicators of a change in health status, for example, fo...

MedicineBiologyPhysicsComputer Science

Uncertainty in Supply Chain Digital Twins: A Quantum-Classical Hybrid Approach

Abdullah Abdullah, F. R. Sandjaja, A. Majeed +3 more·Nov 15, 2024

This study investigates uncertainty quantification (UQ) using quantum-classical hybrid machine learning (ML) models for applications in complex and dynamic fields, such as attaining resiliency in supply chain digital twins and financial risk assessme...

Computer Science

Towards quantum-centric simulations of extended molecules: sample-based quantum diagonalization enhanced with density matrix embedding theory

Akhil Shajan, Danil S. Kaliakin, Abhishek Mitra +9 more·Nov 15, 2024

Computing ground-state properties of molecules is a promising application for quantum computers operating in concert with classical high-performance computing resources. Quantum embedding methods are a family of algorithms particularly suited to thes...

Physics

Measuring Butterfly Velocity in the XY Model on Emerging Quantum Computers

C. McCartney, Eric Chen, Subhayan Roy Moulik·Nov 15, 2024

The butterfly velocity is commonly used to understand information transport properties in quantum dynamical systems and is related to growth of operators. Here we utilise a quantum teleportation based protocol and Riemannian Trust-Region method to es...

Physics
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