Papers

K. Campbell, M. Razavi, Ahmed Lawey·Jul 15, 2024

Quantum data centres (QDCs) could overcome the scalability challenges of modern quantum computers. Single-processor monolithic quantum computers are affected by increased cross talk and difficulty of implementing gates when the number of qubits is in...

Yuan Liu, Shraddha Singh, Kevin C. Smith +11 more·Jul 15, 2024

Quantum computing with discrete variable (DV, qubit) hardware is approaching the large scales necessary for computations beyond the reach of classical computers. However, important use cases such as quantum simulations of physical models containing b...

Andy Z Ding, Benjamin L. Brock, A. Eickbusch +10 more·Jul 15, 2024

Bosonic codes offer a hardware-efficient strategy for quantum error correction by redundantly encoding quantum information in the large Hilbert space of a harmonic oscillator. However, experimental realizations of these codes are often limited by anc...

Wei Wang·Jul 14, 2024

Holographic quantum error-correcting code, the quantum-information structure hypothesized for the AdS/CFT correspondence, has being attracting increasing attention in new directions interrelating the studies of quantum gravity and quantum simulation....

A. Khadieva·Jul 14, 2024

We implement a quantum hashing algorithm which is based on a fingerprinting technique presented by Ambainis and Frievalds, 1988, on gate-based quantum computers. This algorithm is based on a quantum finite automaton for a unary language $\mathtt{MOD_...

Vivien Vandaele·Jul 14, 2024

We propose several methods for optimizing the number of qubits in a quantum circuit while preserving the number of non-Clifford gates. One of our approaches consists in reversing, as much as possible, the gadgetization of Hadamard gates, which is a p...

Huiqin Xie, Qiqing Xia, Ke Wang +2 more·Jul 14, 2024

Due to the superiority of quantum computing, traditional cryptography is facing severe threat. This makes the security evaluation of cryptographic systems in quantum attack models significant and urgent. For symmetric ciphers, the security analysis h...

Hao Wang, Zixuan Liu, Zhixin Xie +4 more·Jul 14, 2024

Ising annealer is a promising quantum-inspired computing architecture for combinatorial optimization problems. In this paper, we introduce an Ising annealer based on the Hamiltonian Monte Carlo, which updates the variables of all dimensions in parall...

Vinay Tripathi, Daria Kowsari, Kumar Saurav +3 more·Jul 13, 2024

Accurate noise characterization in quantum gates and circuits is vital for the development of reliable quantum simulations for chemically relevant systems and fault-tolerant quantum computing. This paper reviews a variety of key benchmarking techniqu...

Kh. P. Gnatenko·Jul 13, 2024

We consider quantum graph states that can be mapped to directed weighted graphs, also known as directed networks. The geometric measure of entanglement of the states is calculated for the quantum graph states corresponding to arbitrary graphs. We fin...

Etienne Granet, K. Ghanem, Henrik Dreyer·Jul 13, 2024

Despite its simplicity and strong theoretical guarantees, adiabatic state preparation has received considerably less interest than variational approaches for the preparation of low-energy electronic structure states. Two major reasons for this are th...

Le Chang, Saitej Yavvari, Rance Cleaveland +3 more·Jul 12, 2024

The next generation of distributed quantum processors combines single-location quantum computing and quantum networking techniques to permit large entangled qubit groups to be established through remote processors, and quantum algorithms can be execu...

Alexander Cowtan·Jul 12, 2024

We present Safe Surgery by Identifying Pushouts (SSIP), an open-source lightweight Python package for automating surgery between qubit CSS codes. SSIP is flexible: it is capable of performing both external surgery, that is surgery between two codeblo...

Yongfeng Zhu, Weifeng Zhuang, Chen Qian +4 more·Jul 12, 2024

Exploring the application of quantum technologies to fundamental sciences holds the key to fostering innovation for both sides. In high-energy particle collisions, quarks and gluons are produced and immediately form collimated particle sprays known a...

Anirban Narayan Chowdhury, E. Berg, P. Wocjan·Jul 12, 2024

Realizing controlled operations is fundamental to the design and execution of quantum algorithms. In quantum simulation and learning of quantum many-body systems, an important subroutine consists of implementing a controlled Hamiltonian time-evolutio...

I. Koutsopoulos·Jul 12, 2024

We study the problem of entanglement distribution in terms of maximizing a utility function that captures the total fidelity of end-to-end entanglements in a two-link linear quantum network with a source, a repeater, and a destination. The nodes have...

A. Llenas, L. Lamata·Jul 12, 2024

Digital-analog quantum computing (DAQC) combines digital gates with analog operations, offering an alternative paradigm for universal quantum computation. This approach leverages the higher fidelities of analog operations and the flexibility of local...

A. Shokry, Moustafa Youssef·Jul 12, 2024

Effective access points (APs) selection is a crucial step in localization systems. It directly affects both localization accuracy and computational efficiency. Classical APs selection algorithms are usually computationally expensive, hindering the de...

Timothy Proctor, Kevin Young, Andrew D. Baczewski +1 more·Jul 11, 2024

The rapid pace of development in quantum computing technology has sparked a proliferation of benchmarks for assessing the performance of quantum computing hardware and software. Good benchmarks empower scientists, engineers, programmers, and users to...

P. U. Rao, F. Speelman, B. Sodhi +1 more·Jul 11, 2024

This paper tackles the multi-vehicle Coverage Path Planning (CPP) problem, crucial for applications like search and rescue or environmental monitoring. Due to its NP-hard nature, finding optimal solutions becomes infeasible with larger problem sizes....