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Papers

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

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31,411 papers found

Quantum annealing for industry applications: introduction and review

S. Yarkoni, E. Raponi, Thomas Bäck +1 more·Dec 14, 2021

Quantum annealing (QA) is a heuristic quantum optimization algorithm that can be used to solve combinatorial optimization problems. In recent years, advances in quantum technologies have enabled the development of small- and intermediate-scale quantu...

PhysicsMedicine

Quantum computing for lattice supersymmetry

C. Culver, D. Schaich·Dec 14, 2021

Quantum computing promises the possibility of studying the real-time dynamics of nonperturbative quantum field theories while avoiding the sign problem that obstructs conventional lattice approaches. Current and near-future quantum devices are severe...

Physics

A Quantum Internet Architecture

R. V. Meter, Ryosuke Satoh, Naphan Benchasattabuse +5 more·Dec 14, 2021

Entangled quantum communication is advancing rapidly, with laboratory and metropolitan testbeds under development, but to date there is no unifying Quantum Internet architecture. We propose a Quantum Internet architecture centered around the Quantum ...

PhysicsComputer Science

Information-Theoretic Limits of Quantum Learning via Data Compression

Armando Angrisani, Brian Coyle, Elham Kashefi·Dec 13, 2021

Understanding the power of quantum data in machine learning is central to many proposed applications of quantum technologies. While access to quantum data can offer exponential advantages for carefully designed learning tasks and often under strong a...

Quantum PhysicsCryptographycs.ITcs.LG

An introduction to quantum computing for statisticians and data scientists

A. Lopatnikova, Minh-Ngoc Tran, S. Sisson·Dec 13, 2021

Quantum computers promise to surpass the most powerful classical supercomputers when it comes to solving many critically important practical problems, such as pharmaceutical and fertilizer design, supply chain and traffic optimization, or optimizatio...

MathematicsComputer Science

Multistate transition dynamics by strong time-dependent perturbation in NISQ era

Yulun Wang, P. Krstic·Dec 13, 2021

We develop a quantum computing scheme utilizing McLachlan variational principle in a hybrid quantum–classical algorithm to accurately calculate the transition dynamics of a closed quantum system with many excited states subject to a strong time-depen...

Physics

3+1 Dimension Schwinger Pair Production with Quantum Computers

Bin Xu, W. Xue·Dec 13, 2021

Real-time quantum simulation of quantum field theory in (3+1)D requires large quantum computing resources. With a few-qubit quantum computer, we develop a novel algorithm and experimentally study the Schwinger effect, the electron-positron pair produ...

Physics

Dynamical photon–photon interaction mediated by a quantum emitter

H. Le Jeannic, Alexey Tiranov, J. Carolan +11 more·Dec 13, 2021

Single photons role in the development of quantum science and technology. They can carry quantum information over extended distances to act as the backbone of a future quantum internet1 and can be manipulated in advanced photonic circuits, enabling s...

Physics

Process Tomography on a 7-Qubit Quantum Processor via Tensor Network Contraction Path Finding

Aidan Dang, G. White, L. Hollenberg +1 more·Dec 13, 2021

Quantum process tomography (QPT), where a quantum channel is reconstructed through the analysis of repeated quantum measurements, is an important tool for validating the operation of a quantum processor. We detail the combined use of an existing QPT ...

Physics

Investigation of Quantum Support Vector Machine for Classification in NISQ era

Anekait Kariya, B. K. Behera·Dec 13, 2021

Quantum machine learning is at the crossroads of two of the most exciting current areas of research; quantum computing and classical machine learning. It explores the interaction between quantum computing and machine learning, investigating how resul...

Physics

Post-Quantum Era in V2X Security: Convergence of Orchestration and Parallel Computation

Engin Zeydan, Yekta Turk, Berkin Aksoy +1 more·Dec 13, 2021

Along with the potential emergence of quantum computing, safety and security of new and complex communication services such as automated driving need to be redefined in the post-quantum era. To ensure reliable, continuous, and secure operation of the...

Computer Science

Verified compilation of Quantum oracles

Liyi Li, Finn Voichick, Kesha Hietala +3 more·Dec 13, 2021

Quantum algorithms often apply classical operations, such as arithmetic or predicate checks, over a quantum superposition of classical data; these so-called oracles are often the largest components of a quantum program. To ease the construction of ef...

Computer SciencePhysics

Coherent effects contribution to a fast gate fidelity in ion quantum computer

P. Sidorov, M. Aksenov, I. Zalivako +5 more·Dec 12, 2021

Trapped ions are one of the most promising platforms for quantum computing due to the longest qubit coherence times and the highest gate fidelities. However, scaling the number of ions (qubits) in a linear Coulomb crystal is the key difficulty on the...

Physics

A Structured Method for Compilation of QAOA Circuits in Quantum Computing

Yuwei Jin, L. Fong, Yan-Hao Chen +5 more·Dec 12, 2021

Quantum Approximation Optimization Algorithm (QAOA) is a highly advocated variational algorithm for solving the combinatorial optimization problem. One critical feature in the quantum circuit of QAOA algorithm is that it consists of two-qubit operato...

Physics

Quantum Kernels for Real-World Predictions Based on Electronic Health Records

Z. Krunic, Frederik F. Flöther, G. Seegan +2 more·Dec 12, 2021

Research on near-term quantum machine learning has explored how classical machine learning algorithms endowed with access to quantum kernels (similarity measures) can outperform their purely classical counterparts. Although theoretical work has shown...

Computer SciencePhysics

An Optimized Quantum Implementation of ISD on Scalable Quantum Resources

Andre Esser, Sergi Ramos-Calderer, E. Bellini +2 more·Dec 12, 2021

The security of code based constructions is usually assessed by Information Set Decoding (ISD) algorithms. In the quantum setting, amplitude amplification yields an asymptotic square root gain over the classical analogue. However, it is still unclear...

Computer SciencePhysics

Error statistics and scalability of quantum error mitigation formulas

Dayue Qin, Yanzhu Chen, Ying Li·Dec 12, 2021

Quantum computing promises advantages over classical computing in many problems. Nevertheless, noise in quantum devices prevents most quantum algorithms from achieving the quantum advantage. Quantum error mitigation provides a variety of protocols to...

Physics

Quantum Gaussian filter for exploring ground-state properties

Mingjun He, Dan-Bo Zhang, Z. D. Wang·Dec 11, 2021

Filter methods realize a projection from a superposed quantum state onto a target state, which can be efficient if two states have sufficient overlap. Here we propose a quantum Gaussian filter (QGF) with the filter operator being a Gaussian function ...

Physics

Inverse-coefficient black-box quantum state preparation

Shengbin Wang, Zhimin Wang, Runhong He +8 more·Dec 11, 2021

Black-box quantum state preparation is a fundamental building block for many higher-level quantum algorithms. The basic task of black-box state preparation is to transduce the data encoded as computational basis of quantum state into the amplitude. I...

Physics

Dissipative quantum generative adversarial networks

Kerstin Beer, Gabriel Muller·Dec 11, 2021

Noisy intermediate-scale quantum (NISQ) devices build the first generation of quantum computers. Quantum neural networks (QNNs) gained high interest as one of the few suitable quantum algorithms to run on these NISQ devices. Most of the QNNs exploit ...

Physics
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