Quantum Brain

Papers

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

Total Papers

28,807

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482

Today

0

Research Volume

13,822 papers in 12 months (-12% vs prior quarter)

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

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

28,807 papers found

HATT: Hamiltonian Adaptive Ternary Tree for Optimizing Fermion-to-Qubit Mapping

Yuhao Liu, Kevin Yao, Jonathan Hong +5 more·Sep 3, 2024

This paper introduces the Hamiltonian-Adaptive Ternary Tree (HATT) framework to compile optimized Fermion-to-qubit mapping for specific Fermionic Hamiltonians. In the simulation of Fermionic quantum systems, efficient Fermion-toqubit mapping plays a ...

PhysicsComputer Science

Angular Momentum Entanglement Mediated By General Relativistic Frame Dragging

Trinidad B. Lantaño, Luciano Petruzziello, Susana F. Huelga +1 more·Sep 2, 2024

Current proposals to probe the quantum nature of gravity in the low-energy regime predominantly focus on the Newtonian interaction term. In this work, we present a theoretical exploration of gravitationally mediated entanglement arising from a genuin...

Quantum Physicsgr-qc

The optical architecture of a heterogenous quantum network deployed in production facilities

Alberto Sebastián-Lombraña, Hans H. Brunner, David Rincón +15 more·Sep 2, 2024

Quantum Communications promise advances in cryptography, quantum computing and clock synchronisation, among other emerging applications. However, communication based on quantum phenomena requires an extreme level of isolation from external disturbanc...

Quantum Physicseess.SY

INTENTAS -- An entanglement-enhanced atomic sensor for microgravity

O. Anton, I. Bröckel, D. Derr +21 more·Sep 2, 2024

The INTENTAS project aims to develop an atomic sensor utilizing entangled Bose-Einstein condensates (BECs) in a microgravity environment. This key achievement is necessary to advance the capability for measurements that benefit from both entanglement...

physics.ins-detcond-mat.quant-gasAtomic Physicsphysics.space-ph

An almost-linear time decoding algorithm for quantum LDPC codes under circuit-level noise

Antonio deMarti iOlius, Imanol Martinez, Joschka Roffe +1 more·Sep 2, 2024

Fault-tolerant quantum computers must be designed in conjunction with classical co-processors that decode quantum error correction measurement information in real-time. In this work, we introduce the belief propagation plus ordered Tanner forest (BP+...

Physics

Can Geometric Quantum Machine Learning Lead to Advantage in Barcode Classification?

Chukwudubem Umeano, Stefano Scali, O. Kyriienko·Sep 2, 2024

We consider the problem of distinguishing two vectors (visualized as images or barcodes) and learning if they are related to one another. For this, we develop a geometric quantum machine learning (GQML) approach with embedded symmetries that allows f...

PhysicsComputer Science

Optimization by Parallel Quasi-Quantum Annealing with Gradient-Based Sampling

Yuma Ichikawa, Yamato Arai·Sep 2, 2024

Learning-based methods have gained attention as general-purpose solvers due to their ability to automatically learn problem-specific heuristics, reducing the need for manually crafted heuristics. However, these methods often face scalability challeng...

Computer ScienceMathematics

Watermarking of Quantum Circuits

Rupshali Roy, Swaroop Ghosh·Sep 2, 2024

Quantum circuits constitute Intellectual Property (IP) of the quantum developers and users, which needs to be protected from theft by adversarial agents e.g., the quantum cloud provider or a rogue adversary present in the cloud. This necessitates the...

Computer Science

Quantum State Preparation Circuit Optimization Exploiting Don't Cares

Hanyu Wang, Daniel Bochen Tan, Jason Cong·Sep 2, 2024

Quantum state preparation initializes the quantum registers and is essential for running quantum algorithms. Designing state preparation circuits that entangle qubits efficiently with fewer two-qubit gates enhances accuracy and alleviates coupling co...

PhysicsComputer Science

Quantum computing for discrete optimization: A highlight of three technologies

A. Bochkarev, R. Heese, Sven Jäger +2 more·Sep 2, 2024

Quantum optimization has emerged as a promising frontier of quantum computing, providing novel numerical approaches to mathematical optimization problems. The main goal of this paper is to facilitate interdisciplinary research between the Operations ...

Computer ScienceMathematicsPhysics

A Survey and Comparison of Post-Quantum and Quantum Blockchains

Zebo Yang, Haneen Alfauri, Behrooz Farkiani +3 more·Sep 2, 2024

Blockchains have gained substantial attention from academia and industry for their ability to facilitate decentralized trust and communications. However, the rapid progress of quantum computing poses a significant threat to the security of existing b...

Computer SciencePhysics

Optimal training of finitely sampled quantum reservoir computers for forecasting of chaotic dynamics

Osama Ahmed, Felix Tennie, Luca Magri·Sep 2, 2024

In the current Noisy Intermediate Scale Quantum (NISQ) era, the presence of noise deteriorates the performance of quantum computing algorithms. Quantum reservoir computing (QRC) is a type of quantum machine learning algorithm, which, however, can ben...

PhysicsComputer Science

On encoded quantum gate generation by iterative Lyapunov-based methods

Paulo Sergio Pereira da Silva, Pierre Rouchon·Sep 2, 2024

The problem of encoded quantum gate generation is studied in this paper. The idea is to consider a quantum system of higher dimension $n$ than the dimension $\bar n$ of the quantum gate to be synthesized. Given two orthonormal subsets $\mathbb{E} = \...

PhysicsMathematics

Optimal displacement detection of arbitrarily-shaped levitated dielectric objects using optical radiation

Shaun Laing, Shelby Klomp, George Winstone +6 more·Sep 1, 2024

Optically-levitated dielectric objects are promising for precision force, acceleration, torque, and rotation sensing due to their extreme environmental decoupling. While many levitated opto-mechanics experiments employ spherical objects, for some app...

physics.opticsQuantum Physics

GALIC: hybrid multi-qubitwise pauli grouping for quantum computing measurement

Matthew X. Burns, Chenxu Liu, S. Stein +3 more·Sep 1, 2024

Observable estimation is a core primitive in NISQ-era algorithms targeting quantum chemistry applications. To reduce the state preparation overhead required for accurate estimation, recent works have proposed various simultaneous measurement schemes ...

Physics

Quantum Machine Learning Playground

Pascal Debus, Sebastian Issel, Kilian Tscharke·Sep 1, 2024

This article introduces an innovative interactive visualization tool designed to demystify quantum machine learning (QML) algorithms. Our work is inspired by the success of classical machine learning visualization tools, such as TensorFlow Playground...

PhysicsComputer ScienceMedicine

An Efficient Quantum Binary-Neuron Algorithm for Accurate Multi-Story Floor Localization

Yousef Zook, A. Shokry, Moustafa Youssef·Sep 1, 2024

Accurate floor localization in a multi-story environment is an important but challenging task. Among the current floor localization techniques, fingerprinting is the mainstream technology due to its accuracy in noisy environments. To achieve accurate...

PhysicsComputer Science

High-Precision Multi-Qubit Clifford+T Synthesis by Unitary Diagonalization

Mathias Weiden, Justin Kalloor, J. Kubiatowicz +2 more·Aug 31, 2024

Resource-efficient and high-precision approximate synthesis of quantum circuits expressed in the Clifford+T gate set is vital for Fault-Tolerant quantum computing. Efficient optimal methods are known for single-qubit RZ unitaries, otherwise the probl...

PhysicsComputer Science

Resource state generation for a multispin register in a hybrid matter-photon quantum information processor

Yu Liu, Martin B. Plenio·Aug 30, 2024

Hybrid quantum architectures that integrate matter and photonic degrees of freedom present a promising pathway toward scalable, fault-tolerant quantum computing. This approach needs to combine well-established entangling operations between distant re...

Quantum Physics

Diagnosing crosstalk in large-scale QPUs using zero-entropy classical shadows

J. A. Montañez-Barrera, G. Beretta, K. Michielsen +1 more·Aug 30, 2024

As quantum processing units (QPUs) scale toward hundreds of qubits, diagnosing noise-induced correlations (crosstalk) becomes critical for reliable quantum computation. In this work, we introduce Zero-Entropy Classical Shadows (ZECS), a diagnostic to...

Physics
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