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Papers

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

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31,132

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15,339 papers in 12 months (-9% vs prior quarter)

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Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

31,132 papers found

Training robust and generalizable quantum models

Julian Berberich, Daniel Fink, Daniel Pranjić +2 more·Nov 20, 2023

Adversarial robustness and generalization are both crucial properties of reliable machine learning models. In this paper, we study these properties in the context of quantum machine learning based on Lipschitz bounds. We derive parameter-dependent Li...

Quantum Physicscs.LGmath.OC

Quantum Strategies for Rendezvous and Domination Tasks on Graphs with Mobile Agents

Giuseppe Viola, Piotr Mironowicz·Nov 20, 2023

This paper explores the application of quantum non-locality, a renowned and unique phenomenon acknowledged as a valuable resource. Focusing on a novel application, we demonstrate its quantum advantage for mobile agents engaged in specific distributed...

Quantum Physics

VyZX: Formal Verification of a Graphical Quantum Language

Adrian Lehmann, Ben Caldwell, Bhakti Shah +2 more·Nov 20, 2023

Graphical languages are a convenient shorthand to represent computation, with rewrite rules relating one graph to another. In contrast, proof assistants rely heavily on inductive datatypes, particularly when giving semantics to embedded languages. Th...

cs.PLQuantum Physics

Qudits for decomposing multiqubit gates and realizing quantum algorithms

E. Kiktenko, Anastasiia S. Nikolaeva, Aleksey K. Fedorov·Nov 20, 2023

The paradigm behind digital quantum computing inherits the idea of using binary information processing. Nature in fact gives much more rich structures of physical objects that can be used for encoding information, which is especially interesting in t...

Physics

Evaluating the practicality of quantum optimization algorithms for prototypical industrial applications

Matteo Vandelli, Alessandra Lignarolo, Carlo Cavazzoni +1 more·Nov 20, 2023

The optimization of the power consumption of antenna networks is a problem with a potential impact in the field of telecommunications. In this work, we investigate the application of the quantum approximate optimization algorithm (QAOA) and the quant...

Computer SciencePhysics

Selective single- and double-mode quantum-limited amplifier

Abdul Mohamed, Elham Zohari, Jarryd J. Pla +2 more·Nov 20, 2023

A quantum-limited amplifier enables the amplification of weak signals while introducing minimal noise dictated by the principles of quantum mechanics. These amplifiers serve a broad spectrum of applications in quantum computing, including fast and ac...

Physics

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

Efficient learning of Sparse Pauli Lindblad models for fully connected qubit topology

Jose Este Jaloveckas, M. Nguyen, Lilly Palackal +2 more·Nov 20, 2023

The challenge to achieve practical quantum computing considering current hardware size and gate fidelity is the sensitivity to errors and noise. Recent work has shown that by learning the underlying noise model capturing qubit cross-talk, error mitig...

PhysicsMathematics

An Efficient Quantum Circuit Construction Method for Mutually Unbiased Bases in $n$-Qubit Systems

Wang Yu, Dongsheng Wu·Nov 20, 2023

Mutually unbiased bases (MUBs) play a crucial role in numerous applications within quantum information science, such as quantum state tomography, error correction, entanglement detection, and quantum cryptography. Utilizing \(2^n + 1\) MUB circuits p...

Physics

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

Efficient Algorithms for All Port-Based Teleportation Protocols

Adam Wills, Min-Hsiu Hsieh, Sergii Strelchuk·Nov 20, 2023

Port-based teleportation (PBT) is a form of quantum teleportation in which no corrective unitary is required on the part of the receiver. Two primary regimes exist—deterministic PBT in which teleportation is always successful, but is imperfect, and p...

Physics

Circuit complexity of quantum access models for encoding classical data

Xiao-Ming Zhang, Xiao Yuan·Nov 19, 2023

How to efficiently encode classical data is a fundamental task in quantum computing. While many existing works treat classical data encoding as a black box in oracle-based quantum algorithms, their explicit constructions are crucial for the efficienc...

Physics

Symbolic Execution for Quantum Error Correction Programs

Wang Fang, Mingsheng Ying·Nov 19, 2023

We define QSE, a symbolic execution framework for quantum programs by integrating symbolic variables into quantum states and the outcomes of quantum measurements. The soundness of QSE is established through a theorem that ensures the correctness of s...

Computer SciencePhysics

Exotic symmetry breaking properties of self-dual fracton spin models

Giovanni Canossa, L. Pollet, M. Martin-Delgado +2 more·Nov 18, 2023

Fracton codes host unconventional topological states of matter and are promising for fault-tolerant quantum computation due to their large coding space and strong resilience against decoherence and noise. In this work, we investigate the ground-state...

Physics

Benchmarking Machine Learning Models for Quantum Error Correction

Tim Fu, Yue Zhao·Nov 18, 2023

Quantum Error Correction (QEC) is one of the fundamental problems in quantum computer systems, which aims to detect and correct errors in the data qubits within quantum computers. Due to the presence of unreliable data qubits in existing quantum comp...

PhysicsComputer Science

Demonstration of Maxwell demon-assisted Einstein-Podolsky-Rosen steering via superconducting quantum processor

Z. Wang, Ruixia Wang, Peng Zhao +9 more·Nov 18, 2023

The concept of Maxwell demon plays an essential role in connecting thermodynamics and information theory, while entanglement and nonlocality are fundamental features of quantum theory. Given the rapid advancements in the field of quantum information ...

Physics

Task Scheduling Optimization with Direct Constraints from a Tensor Network Perspective

Alejandro Mata Ali, Iñigo Perez Delgado, Beatriz García Markaida +1 more·Nov 17, 2023

This work presents a novel method for task optimization in industrial plants using quantum-inspired tensor network technology. This method obtains the best possible combination of tasks on a set of machines with directed constraints while minimizing ...

Quantum PhysicsEmerging Tech

Realization of a programmable multi-purpose photonic quantum memory with over-thousand qubit manipulations

Sheng Zhang, Jixuan Shi, Z. Cui +4 more·Nov 17, 2023

Quantum networks can enable various applications such as distributed quantum computing, long-distance quantum communication, and network-based quantum sensing with unprecedented performances. One of the most important building blocks for a quantum ne...

PhysicsComputer Science

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

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
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