Quantum Brain

Papers

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

Total Papers

28,402

This Month

150

Today

0

Research Volume

13,528 papers in 12 months (-19% vs prior quarter)

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

6,268 papers found

Quantum simulations for strong-field QED

Luis Hidalgo, Patrick Draper·Nov 30, 2023

Quantum field theory in the presence of strong background fields contains interesting problems where quantum computers may someday provide a valuable computational resource. In the NISQ era it is useful to consider simpler benchmark problems in order...

Physics

Optimized topological quantum compilation of three-qubit controlled gates in the Fibonacci anyon model: A controlled-injection approach

Abdellah Tounsi, N. Belaloui, Mohamed Messaoud Louamri +2 more·Nov 29, 2023

A method, termed controlled injection, is proposed for compiling three-qubit controlled gates within the non-Abelian Fibonacci anyon model. Building on single-qubit compilation techniques with three Fibonacci anyons, the approach showcases enhanced a...

PhysicsMathematics

Fault-tolerant quantum memory using low-depth random circuit codes

Jon Nelson, Gregory Bentsen, S. Flammia +1 more·Nov 29, 2023

Low-depth random circuit codes possess many desirable properties for quantum error correction but have so far only been analyzed in the code capacity setting where it is assumed that encoding gates and syndrome measurements are noiseless. In this wor...

Physics

Continuous optimization by quantum adaptive distribution search

Kohei Morimoto, Yusuke Takase, K. Mitarai +1 more·Nov 29, 2023

We introduce the quantum adaptive distribution search (QuADS), a quantum continuous optimization algorithm that integrates Grover adaptive search (GAS) with the covariance matrix adaptation evolution strategy (CMA-ES), a classical technique for conti...

PhysicsComputer Science

Simulating Quantum Computations on Classical Machines: A Survey

Kieran Young, Marcus Scese, Ali Ebnenasir·Nov 28, 2023

We present a comprehensive study of quantum simulation methods and quantum simulators for classical computers. We first study an exhaustive set of 150+ simulators and quantum libraries. Then, we short-list the simulators that are actively maintained ...

Physics

A site-resolved two-dimensional quantum simulator with hundreds of trapped ions

S-A Guo, Y. Wu, J. Ye +16 more·Nov 28, 2023

A large qubit capacity and an individual readout capability are two crucial requirements for large-scale quantum computing and simulation1. As one of the leading physical platforms for quantum information processing, the ion trap has achieved a quant...

MedicinePhysics

Peptide binding classification on quantum computers

Charles London, Douglas Brown, Wenduan Xu +5 more·Nov 27, 2023

We conduct an extensive study on using near-term quantum computers for a task in the domain of computational biology. By constructing quantum models based on parameterised quantum circuits, we perform sequence classification on a task relevant to the...

Computer SciencePhysics

Mapping quantum circuits to shallow-depth measurement patterns based on graph states

Thierry N. Kaldenbach, Matthias Heller·Nov 27, 2023

The paradigm of measurement-based quantum computing (MBQC) starts from a highly entangled resource state on which unitary operations are executed through adaptive measurements and corrections ensuring determinism. This is set in contrast to the more ...

Physics

Frame change technique for phase transient cancellation.

Andrew Stasiuk, Pai Peng, Garrett Heller +1 more·Nov 27, 2023

The precise control of complex quantum mechanical systems can unlock applications ranging from quantum simulation to quantum computation. Controlling strongly interacting many-body systems often relies on Floquet Hamiltonian engineering that is achie...

MedicinePhysics

Q-Pilot: Field Programmable Qubit Array Compilation with Flying Ancillas

Hanrui Wang, Daniel Bochen Tan, Pengyu Liu +4 more·Nov 26, 2023

Neutral atom arrays, particularly the reconfigurable field programmable qubit arrays (FPQA) with atom movement, show strong promise for quantum computing. FPQA has a dynamic qubit connectivity, facilitating cost-effective execution of long-range gate...

Computer SciencePhysics

Atomique: A Quantum Compiler for Reconfigurable Neutral Atom Arrays

Hanrui Wang, Pengyu Liu, Daniel Bochen Tan +6 more·Nov 25, 2023

The neutral atom array has gained prominence in quantum computing for its scalability and operation fidelity. Previous works focus on fixed atom arrays (FAAs) that require extensive SWAP operations for long-range interactions. This work explores a no...

PhysicsComputer Science

Studying the phase diagram of the three-flavor Schwinger model in the presence of a chemical potential with measurement- and gate-based quantum computing

Stephan Schuster, S. Kühn, L. Funcke +4 more·Nov 24, 2023

We propose an ansatz quantum circuit for the variational quantum eigensolver (VQE), suitable for exploring the phase structure of the multiflavor Schwinger model in the presence of a chemical potential. Our ansatz is capable of incorporating relevant...

Physics

Protein Structure Prediction with High Degrees of Freedom in a Gate-Based Quantum Computer.

Jaya Vasavi Pamidimukkala, S. Bopardikar, Avinash Dakshinamoorthy +3 more·Nov 23, 2023

Protein folding, which traces the protein three-dimensional (3D) structure from its amino acid sequence, is a half-a-century-old problem in biology. The function of the protein correlates with its structure, emphasizing the need to study protein fold...

MedicinePhysics

Single-shot Quantum Signal Processing Interferometry

Jasmine Sinanan-Singh, G. Mintzer, I. Chuang +1 more·Nov 22, 2023

Quantum systems of infinite dimension, such as bosonic oscillators, provide vast resources for quantum sensing. Yet, a general theory on how to manipulate such bosonic modes for sensing beyond parameter estimation is unknown. We present a general alg...

Computer SciencePhysicsEngineering

Nav-Q: quantum deep reinforcement learning for collision-free navigation of self-driving cars

Akash Sinha, A. Macaluso, Matthias Klusch·Nov 20, 2023

The task of collision-free navigation (CFN) of self-driving cars is an NP-hard problem usually tackled using deep reinforcement learning (DRL). While DRL methods have proven to be effective, their implementation requires substantial computing resourc...

PhysicsComputer Science

Quantum approximated cloning-assisted density matrix exponentiation

Pablo Rodriguez-Grasa, Rubén Ibarrondo, Javier Gonzalez-Conde +3 more·Nov 20, 2023

Classical information loading is an essential task for many processing quantum algorithms, constituting a cornerstone in the field of quantum machine learning. In particular, the embedding techniques based on Hamiltonian simulation techniques enable ...

Physics

Universal quantum processors in spin systems via robust local pulse sequences

Matteo Votto, Johannes Zeiher, B. Vermersch·Nov 17, 2023

We propose a protocol to realize quantum simulation and computation in spin systems with long-range interactions. Our approach relies on the local addressing of single spins with external fields parametrized by Walsh functions. This enables a mapping...

Computer SciencePhysics

Quantum-Assisted Simulation: A Framework for Developing Machine Learning Models in Quantum Computing

Minati Rath, Hema Date·Nov 17, 2023

Machine Learning (ML) models are trained using historical data to classify new, unseen data. However, traditional computing resources often struggle to handle the immense amount of data, commonly known as Big Data, within a reasonable time frame. Qua...

PhysicsComputer Science

Variational quantum-algorithm based self-consistent calculations for the two-site DMFT model on noisy quantum computing hardware

J. Ehrlich, D. F. Urban, Christian Elsässer·Nov 17, 2023

Dynamical ean field theory (DMFT) is one of the powerful computational approaches to study electron correlation effects in solid-state materials and molecules. Its practical applicability is, however, limited by the quantity of numerical resources re...

MedicinePhysics

Simulating photonic devices with noisy optical elements

Michele Vischi, Giovanni Di Bartolomeo, Massimiliano Proietti +4 more·Nov 17, 2023

Quantum computers are inherently affected by noise. While in the long term, error correction codes will account for noise at the cost of increasing physical qubits, in the near term, the performance of any quantum algorithm should be tested and simul...

Physics
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