Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Sequential optimal selections of single-qubit gates in parameterized quantum circuits
Kaito Wada, Rudy Raymond, Yuki Sato +1 more·Sep 18, 2022
In variational quantum algorithms, it is important to balance conflicting requirements of expressibility and trainability of a parameterized quantum circuit (PQC). However, appropriate PQC designs are not necessarily trivial. Here, we propose an algo...
When could NISQ algorithms start to create value in discrete manufacturing ?
Oxana Shaya·Sep 17, 2022
Are quantum advantages in discrete manufacturing achievable in the near term? As manufacturing-relevant NISQ algorithms, we identified Quantum Annealing (QA) and the Quantum Approximate Optimization Algorithm (QAOA) for combinatorial optimization as ...
Quantum Computing Methods for Supply Chain Management
Hansheng Jiang, Z. Shen, Junyu Liu·Sep 17, 2022
Quantum computing is expected to have transformative influences on many domains, but its practical deployments on industry problems are underexplored. We focus on applying quantum computing to operations management problems in industry, and in partic...
Variational quantum algorithm for measurement extraction from the Navier-Stokes, Einstein, Maxwell, B-type, Lin-Tsien, Camassa-Holm, DSW, H-S, KdV-B, non-homogeneous KdV, generalized KdV, KdV, translational KdV, sKdV, B-L and Airy equations
Pete Rigas·Sep 16, 2022
Classical-quantum hybrid algorithms have recently garnered significant attention, which are characterized by combining quantum and classical computing protocols to obtain readout from quantum circuits of interest. Recent progress due to Lubasch et al...
Two Quantum Algorithms for Communication between Spacelike Separated Locations
A. Datta·Sep 16, 2022
The `no communication' theorem prohibits superluminal communication by showing that any measurement by Alice on an entangled system cannot change the reduced density matrix of Bob's state, and hence the expectation value of any measurement operator t...
Variance minimisation on a quantum computer for nuclear structure
Isaac Hobday, Paul Stevenson, J. Benstead·Sep 16, 2022
Quantum computing opens up new possibilities for the simulation of many-body nuclear systems. As the number of particles in a many-body system increases, the size of the space if the associated Hamiltonian increases exponentially. This presents a cha...
Optimal Stochastic Resource Allocation for Distributed Quantum Computing
Napat Ngoenriang, Minrui Xu, Sucha Supittayapornpong +3 more·Sep 16, 2022
With the advent of interconnected quantum computers, i.e., distributed quantum computing (DQC), multiple quantum computers can now collaborate via quantum networks to perform massively complex computational tasks. However, DQC faces problems sharing ...
Recipes for the digital quantum simulation of lattice spin systems
G. Burkard·Sep 16, 2022
<jats:p>We describe methods to construct digital quantum simulation algorithms for quantum spin systems on a regular lattice with local interactions. In addition to tools such as the Trotter-Suzuki expansion and graph coloring, we also discuss the ef...
Parallel Assembly of Arbitrary Defect-Free Atom Arrays with a Multitweezer Algorithm
Weikun Tian, Wen Jun Wee, A. Qu +4 more·Sep 16, 2022
Defect-free atom arrays are an important precursor for quantum information processing and quantum simulation. Yet, large-scale defect-free atom arrays can be challenging to realize, due to the losses encountered when rearranging stochastically loaded...
Implicit Hybrid Quantum-Classical CFD Calculations using the HHL Algorithm
L. Lapworth·Sep 16, 2022
Implicit methods are attractive for hybrid quantum-classical CFD solvers as the flow equations are combined into a single coupled matrix that is solved on the quantum device, leaving only the CFD discretisation and matrix assembly on the classical de...
Quantum Vision Transformers
El Amine Cherrat, Iordanis Kerenidis, Natansh Mathur +3 more·Sep 16, 2022
In this work, quantum transformers are designed and analysed in detail by extending the state-of-the-art classical transformer neural network architectures known to be very performant in natural language processing and image analysis. Building upon t...
DQC2O: Distributed Quantum Computing for Collaborative Optimization in Future Networks
Napat Ngoenriang, Minrui Xu, Jiawen Kang +3 more·Sep 16, 2022
With the advantages of high-speed parallel processing, quantum computers can efficiently solve large-scale complex optimization problems in future networks. However, due to the uncertain qubit fidelity and quantum channel noise, distributed quantum c...
Modeling Quantum Enhanced Sensing on a Quantum Computer
Cindy Tran, Tanaporn Na Narong, Eric S. Cooper·Sep 16, 2022
Quantum computers allow for direct simulation of the quantum interference and entanglement used in modern interferometry experiments with applications ranging from biological sensing to gravitational wave detection. Inspired by recent developments in...
A Genetic Quantum Annealing Algorithm
S. Abel, Luca A. Nutricati, M. Spannowsky·Sep 15, 2022
A genetic algorithm (GA) is a search-based optimization technique based on the principles of Genetics and Natural Selection. We present an algorithm which enhances the classical GA with input from quantum annealers. As in a classical GA, the algorith...
Compilation of algorithm-specific graph states for quantum circuits
Madhav Krishnan Vijayan, A. Paler, J. Gavriel +3 more·Sep 15, 2022
We present a quantum circuit compiler that prepares an algorithm-specific graph state from quantum circuits described in high level languages, such as Cirq and Q#. The computation can then be implemented using a series of non-Pauli measurements on th...
Preentangling Quantum Algorithms -- the Density Matrix Renormalization Group-assisted Quantum Canonical Transformation
Mohsin Iqbal, D. M. Ramo, Henrik Dreyer·Sep 15, 2022
We propose the use of parameter-free preentanglers as initial states for quantum algorithms. We apply this idea to the electronic structure problem, combining a quantized version of the Canonical Transformation by Yanai and Chan [J. Chem. Phys. 124, ...
How Much Structure Is Needed for Huge Quantum Speedups?
S. Aaronson·Sep 14, 2022
I survey, for a general scientific audience, three decades of research into which sorts of problems admit exponential speedups via quantum computers -- from the classics (like the algorithms of Simon and Shor), to the breakthrough of Yamakawa and Zha...
Shared control of a 16 semiconductor quantum dot crossbar array
F. Borsoi, N. Hendrickx, Valentin John +7 more·Sep 14, 2022
The efficient control of a large number of qubits is one of the most challenging aspects for practical quantum computing. Current approaches in solid-state quantum technology are based on brute-force methods, where each and every qubit requires at le...
Automated design of quantum-optical experiments for device-independent quantum key distribution
Xavier Valcarce, P. Sekatski, É. Gouzien +2 more·Sep 14, 2022
Device-independent quantum key distribution (DIQKD) reduces the vulnerability to side-channel attacks of standard QKD protocols by removing the need for characterized quantum devices. The higher security guarantees come however, at the price of a cha...
Syndrome decoding meets multiple instances
Haoxuan Wu, Jincheng Zhuang·Sep 14, 2022
. The NP-hard problem of decoding random linear codes is crucial to both coding theory and cryptography. In particular, this problem underpins the security of many code based post-quantum cryptographic schemes. The state-of-art algorithms for solving...