Quantum Brain

Papers

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

Total Papers

28,188

This Month

0

Today

0

Research Volume

13,354 papers in 12 months (+7% vs prior quarter)

Research Focus Areas

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

6,231 papers found

NN-AE-VQE: Neural network parameter prediction on autoencoded variational quantum eigensolvers

Koen J. Mesman, Yinglu Tang, Matthias Moller +2 more·Nov 23, 2024

A longstanding computational challenge is the accurate simulation of many-body particle systems. Especially for deriving key characteristics of high-impact but complex systems such as battery materials and high entropy alloys (HEA). While simple mode...

Physics

Towards quantum simulation of lower-dimensional supersymmetric lattice models

E. Mendicelli, D. Schaich·Nov 22, 2024

Supersymmetric models are grounded in the intriguing concept of a hypothetical symmetry that relates bosonic and fermionic particles. This symmetry has profound implications, offering valuable extensions to the Standard Model of particle physics and ...

Physics

A Constant Measurement Quantum Algorithm for Graph Connectivity

M. Mansky, Chonfai Kam, Claudia Linnhoff-Popien·Nov 22, 2024

We introduce a novel quantum algorithm for determining graph connectedness using a constant number of measurements. The algorithm can be extended to find connected components with a linear number of measurements. It relies on non-unitary abelian gate...

Physics

A hybrid qubit encoding: splitting Fock space into Fermionic and Bosonic subspaces

Francisco Javier del Arco Santos, Jakob S. Kottmann·Nov 21, 2024

Efficient encoding of electronic operators into qubits is essential for quantum chemistry simulations. Most of the methods treat Fermionic degrees of freedom and qubits in a one-to-one fashion, handling their interactions. Alternatively, pairs of ele...

Physics

Machine Learning for Arbitrary Single-Qubit Rotations on an Embedded Device

Madhav Narayan Bhat, Marco Russo, Luca P. Carloni +4 more·Nov 20, 2024

Here we present a technique for using machine learning (ML) for single-qubit gate synthesis on field programmable logic for a superconducting transmon-based quantum computer based on simulated studies. Our approach is multi-stage. We first bootstrap ...

Quantum PhysicsEmerging Tech

Benchmarking Quantum Convolutional Neural Networks for Classification and Data Compression Tasks

Jun Yong Khoo, Chee Kwan Gan, W.-Q. Ding +3 more·Nov 20, 2024

Quantum Convolutional Neural Networks (QCNNs) have emerged as promising models for quantum machine learning tasks, including classification and data compression. This paper investigates the performance of QCNNs in comparison to the hardware-efficient...

Physics

Improved fluxonium readout through dynamic flux pulsing

Taryn V. Stefanski, Figen Yilmaz, Eugene Y. Huang +5 more·Nov 20, 2024

The ability to perform rapid, high fidelity readout of a qubit state is an important requirement for quantum algorithms and, in particular, for enabling operations such as mid-circuit measurements and measurement-based feedback for error correction s...

Physics

A universal framework for the quantum simulation of Yang–Mills theory

Jad C. Halimeh, Masanori Hanada, Shunji Matsuura +3 more·Nov 20, 2024

Quantum computers promise to simulate complex quantum field theories that are intractable for classical computers, potentially revealing new physics in strongly interacting systems. Current approaches for simulating Yang-Mills gauge theories face sig...

MedicinePhysics

D-commuting SYK model: building quantum chaos from integrable blocks

Ping Gao, Han Lin, Cheng Peng·Nov 19, 2024

We construct a new family of quantum chaotic models by combining multiple copies of integrable commuting SYK models. As each copy of the commuting SYK model does not commute with others, this construction breaks the integrability of each commuting SY...

hep-thcond-mat.stat-mechcond-mat.str-elQuantum Physics

Variational Learning of Integrated Quantum Photonic Circuits via Genetic Algorithm

Hui Zhang, Chengran Yang, Wai-Keong Mok +11 more·Nov 19, 2024

Integrated photonic circuits play a crucial role in implementing quantum information processing in the noisy intermediate‐scale quantum (NISQ) era. Variational learning is a promising avenue that leverages classical optimization techniques to enhance...

Physics

Empowering Large Scale Quantum Circuit Development: Effective Simulation of Sycamore Circuits

Venkateswaran Kasirajan, Torey Battelle, Bob Wold·Nov 19, 2024

Simulating quantum systems using classical computing equipment has been a significant research focus. This work demonstrates that circuits as large and complex as the random circuit sampling (RCS) circuits published as a part of Google's pioneering w...

Computer SciencePhysics

Simulation of Quantum Transduction Strategies for Quantum Networks

Laura d'Avossa, Caitao Zhan, Joaquin Chung +3 more·Nov 18, 2024

The Quantum Internet would likely be composed of diverse qubit technologies that interact through a heterogeneous quantum network. Thus, quantum transduction has been identified as a key enabler of the Quantum Internet. To better study heterogeneous ...

Quantum Physics

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

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

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

Carleman-Fourier Linearization of Complex Dynamical Systems: Convergence and Explicit Error Bounds

Panpan Chen, N. Motee, Qiyu Sun·Nov 18, 2024

This paper presents a Carleman-Fourier linearization method for nonlinear dynamical systems with periodic vector fields involving multiple fundamental frequencies. By employing Fourier basis functions, the nonlinear dynamical system is transformed in...

Computer ScienceMathematicsEngineering

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

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

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

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
Quantum Intelligence

Ask about quantum research, companies, or market developments.