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Papers

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

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14,829 papers in 12 months (-23% vs prior quarter)

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30,392 papers found

Quantum Register Machine: Efficient Implementation of Quantum Recursive Programs

Zhicheng Zhang, Mingsheng Ying·Aug 19, 2024

Quantum recursive programming has been recently introduced for describing sophisticated and complicated quantum algorithms in a compact and elegant way. However, implementation of quantum recursion involves intricate interplay between quantum control...

Computer SciencePhysics

The curse of random quantum data

Kaining Zhang, Junyu Liu, Liu Liu +3 more·Aug 19, 2024

Quantum machine learning, which involves running machine learning algorithms on quantum devices, may be one of the most significant flagship applications for these devices. Unlike its classical counterparts, the role of data in quantum machine learni...

Computer SciencePhysics

Demonstration of hardware efficient photonic variational quantum algorithm

Iris Agresti, K. Paul, P. Schiansky +10 more·Aug 19, 2024

Quantum computing has changed the paradigm of computer science, where quantum technologies have promised to outperform classical ones. Such an advantage was only demonstrated for tasks with no application or out of reach for the state-of-the-art quan...

Physics

Character Complexity: A Novel Measure for Quantum Circuit Analysis

Daksh Shami·Aug 19, 2024

In the rapidly evolving field of quantum computing, quantifying circuit complexity remains a critical challenge. This paper introduces Character Complexity, a novel measure that bridges Group-theoretic concepts with practical quantum computing concer...

Computer SciencePhysicsMathematics

Floquet prethermalization of ${\bf Z}_2$ lattice gauge theory on superconducting qubits

Tomoya Hayata, Kazuhiro Seki, Arata Yamamoto·Aug 19, 2024

Simulating nonequilibirum dynamics of a quantum many-body system is one of the promising applications of quantum computing. We simulate the time evolution of one-dimensional ${\bf Z}_2$ lattice gauge theory on IBM's superconducting 156-qubit device i...

Physics

One-milligram torsional pendulum toward experiments at the quantum-gravity interface

Sofia Agafonova, Pere Rossello, Manuel Mekonnen +1 more·Aug 18, 2024

Probing the possibility of entanglement generation through gravity offers a path to tackle the question of whether gravitational fields possess a quantum mechanical nature. A potential realization necessitates systems with low-frequency dynamics at a...

Quantum Physics

χ-colorable graph states: closed-form expressions and quantum orthogonal arrays

Konstantinos-Rafail Revis, Hrachya Zakaryan, Zahra Raissi·Aug 18, 2024

Graph states are a fundamental class of multipartite entangled quantum states with wide-ranging applications in quantum information and computation. In this work, we develop a systematic approach for constructing and analyzing χ-colorable graph state...

Physics

EAQEC codes from s-Galois hulls decomposition of linear codes

Hui Li, Xiu-Zhen Liu·Aug 18, 2024

Entanglement-assisted quantum error-correcting (EAQEC) codes are a subclass of quantum error-correcting codes which use entanglement as a resource. These codes can provide error correction capability higher than the codes derived from the traditional...

Mathematics

Potential Enabling Technologies for 7G Networks: Survey

S. Glisic·Aug 18, 2024

Every new generation of mobile networks brings significant advances in two segments, enhancement of the network parameters within the legacy technologies and introduction of new technologies enabling new paradigms in designing the networks. In the fi...

Computer SciencePhysics

SoK Paper: Security Concerns in Quantum Machine Learning as a Service

Satwik Kundu, Swaroop Ghosh·Aug 18, 2024

Quantum machine learning (QML) is a category of algorithms that uses variational quantum circuits (VQCs) to solve machine learning tasks. Recent works have shown that QML models can effectively generalize from limited training data samples. This capa...

PhysicsComputer Science

Proposal to experimentally evaluate the adiabatic condition of quantum annealing in coupled systems of Kerr parametric oscillators

Yuichiro Mori, Harunobu Hiratsuka, Yuichiro Matsuzaki·Aug 18, 2024

Quantum annealing (QA) is an algorithm to find the ground state of the problem Hamiltonian by using an adiabatic time evolution. An approach to evaluate adiabaticity in the experiment by applying spectroscopic techniques has recently been suggested. ...

Physics

Enhancing Quantum Memory Lifetime with Measurement-Free Local Error Correction and Reinforcement Learning

Mincheol Park, N. Maskara, Marcin Kalinowski +1 more·Aug 18, 2024

Reliable quantum computation requires systematic identification and correction of errors that occur and accumulate in quantum hardware. To diagnose and correct such errors, standard quantum error-correcting protocols utilize $\textit{global}$ error i...

PhysicsComputer Science

Parameter Setting Heuristics Make the Quantum Approximate Optimization Algorithm Suitable for the Early Fault-Tolerant Era (Invited Paper)

Zichang He, R. Shaydulin, Dylan Herman +4 more·Aug 18, 2024

Quantum Approximate Optimization Algorithm (QAOA) is one of the most promising quantum heuristics for combinatorial optimization. While QAOA has been shown to perform well on small-scale instances and to provide an asymptotic speedup over state-of-th...

Computer SciencePhysics

Fault-tolerant optical interconnects for neutral-atom arrays

Josiah Sinclair, Joshua Ramette, Brandon Grinkemeyer +3 more·Aug 16, 2024

We analyze the use of photonic links to enable large-scale fault-tolerant connectivity of locally error-corrected modules based on neutral atom arrays. Our approach makes use of recent theoretical results showing the robustness of surface codes to bo...

Physics

Experiments with the four-dimensional surface code on a quantum charge-coupled device quantum computer

Noah F. Berthusen, J. Dreiling, C. Foltz +9 more·Aug 16, 2024

Single-shot quantum error correction has the potential to speed up quantum computations by removing the need for multiple rounds of syndrome extraction in order to be fault-tolerant. Using Quantinuum's H2 trapped-ion quantum computer, we implement th...

Physics

A Comprehensive Review of Quantum Circuit Optimization: Current Trends and Future Directions

Krishnageetha Karuppasamy, Varun Puram, Stevens Johnson +1 more·Aug 16, 2024

Optimizing quantum circuits is critical for enhancing computational speed and mitigating errors caused by quantum noise. Effective optimization must be achieved without compromising the correctness of the computations. This survey explores recent adv...

PhysicsComputer Science

Quantum Algorithm for Jaccard Similarity

Varun Puram, Ruthvik Rao Bobbili, Johnson P. Thomas·Aug 16, 2024

Jaccard Similarity is a very common proximity measurement used to compute the similarity between two asymmetric binary vectors. Jaccard Similarity is the ratio between the 1s (Intersection of two vectors) to 1s (Union of two vectors). This paper intr...

Computer Science

Bee-yond the Plateau: Training QNNs with Swarm Algorithms

Rubén Darío Guerrero·Aug 16, 2024

In the quest to harness the power of quantum computing, training quantum neural networks (QNNs) presents a formidable challenge. This study introduces an innovative approach, integrating the Bees Optimization Algorithm (BOA) to overcome one of the mo...

MedicinePhysicsComputer Science

Quantum random power method for ground state computation

Taehee Ko, Hyowon Park, Sangkook Choi·Aug 16, 2024

We present a quantum-classical hybrid random power method that approximates a ground state of a Hamiltonian. The quantum part of our method computes a fixed number of elements of a Hamiltonian-matrix polynomial via quantum polynomial filtering techni...

PhysicsComputer ScienceMathematics

Accelerating Spectral Clustering on Quantum and Analog Platforms

Xingzi Xu, T. Sahai·Aug 16, 2024

We introduce a novel hybrid quantum–analog algorithm to perform a graph clustering that exploits connections between the evolution of dynamical systems on graphs and the underlying graph spectra. This approach constitutes a new class of algorithms th...

Computer ScienceMathematics
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